From: Agnibho Mondal <mail@agnibho.com>
Date: Sun, 11 Dec 2016 09:39:16 +0000 (+0530)
Subject: Show dosage rate
X-Git-Url: https://code.agnibho.com/repo?p=pdosage.git;a=commitdiff_plain;h=3e56961c7a8fae9c86443d987af1e0c35eae502b

Show dosage rate
---

diff --git a/index.html b/index.html
index 517db77..b6a1203 100755
--- a/index.html
+++ b/index.html
@@ -68,7 +68,7 @@
 	    <div class="text-primary">
 		<div class="jumbotron">
 		    <h1>PDosage</h1>
-		    <h2>Pediatric Dose Calculator</h2>
+		    <h2>Drug Dose Calculator</h2>
 		</div>
 	    </div>
 	    <div class="row" id="app">
diff --git a/src/AboutView.vue b/src/AboutView.vue
index 72dc6c6..82994b1 100644
--- a/src/AboutView.vue
+++ b/src/AboutView.vue
@@ -30,11 +30,13 @@
 	<div class="col-md-6 col-md-offset-3">
 	    <div class="panel panel-default">
 		<div class="panel-heading">
-		    <h3>About PDosage</h3>
+		    <h3>About PDosage <span class="version"></span></h3>
 		</div>
 		<div class="panel-body">
 		    <p>PDosage is a web application for calculating dosage of some commonly used drugs. Although it's primarily designed for the practice of Pediatrics, it also provides adult doses of drugs, making it useful for other disciplines too.</p>
 		    <p>PDosage is written in Javascript.</p>
+		    <p>App Version: <span class="version"></span></p>
+		    <p>Data version: <span class="data-ver"></span></p>
 		    <p>Copyright &copy; <span class="copyright" data-start="2016">2016</span> Agnibho Mondal</p>
 		    <p>E-mail: mail@agnibho.com</p>
 		</div>
diff --git a/src/DataInput.vue b/src/DataInput.vue
index 9ac78aa..4b21cf2 100644
--- a/src/DataInput.vue
+++ b/src/DataInput.vue
@@ -75,10 +75,10 @@
      props:["patient"],
      data:function(){
 	 return{
-	     inWt: "",
-	     inAgeY: "",
-	     inAgeM: "",
-	     inAgeD: ""
+	     inWt: this.patient.wt,
+	     inAgeY: this.patient.age.y,
+	     inAgeM: this.patient.age.m,
+	     inAgeD: this.patient.age.d
 	 }
      },
      watch: {
diff --git a/src/Dosage.js b/src/Dosage.js
new file mode 100644
index 0000000..672ea52
--- /dev/null
+++ b/src/Dosage.js
@@ -0,0 +1,220 @@
+/**********************************************************************
+ * Title: PDosage
+ * Description: Pediatric Calculator
+ * Author: Agnibho Mondal
+ * Website: http://code.agnibho.com
+ **********************************************************************
+   Copyright (c) 2016 Agnibho Mondal
+   All rights reserved
+ **********************************************************************
+   This file is part of PDosage.
+   
+   PDosage is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+   
+   PDosage is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with PDosage. If not, see <http://www.gnu.org/licenses/>.
+ **********************************************************************/
+
+export default function Dosage(data){
+
+    Object.defineProperty(data, "prop", {
+	writable: false
+    });
+
+    this.get=function(){
+	return data;
+    }
+
+    this.listDrugs=function(){
+	var list=data.map(function(obj){
+	    return obj.name;
+	});
+	return list;
+    }
+
+    this.getDrug=function(name, patient){
+	if(this.listDrugs().indexOf(name)==-1){
+	    return null;
+	}
+	var drug=JSON.parse(JSON.stringify(data.filter(extract)[0]));
+	function extract(obj){
+	    return (obj.name == name);
+	}
+	for(var i=0; i<drug.form.length; i++){
+	    drug.form[i]=calculateDose(drug.form[i], patient);
+	}
+	return drug;
+    }
+
+    function calculateDose(form, patient){
+	while(form.hasOwnProperty("range")){
+	    var res=isolateRange(form, patient);
+	    delete form.range;
+	    if(res!=null){
+		if(res.hasOwnProperty("range")){
+		    form.range=res.range;
+		}
+		else{
+		    form.dose=res.dose;
+		}
+	    }
+	}
+	if(form.dose){
+	    form.dose=[].concat(form.dose);
+	    for(var i=0; i<form.dose.length; i++){
+		if(form.dose[i].hasOwnProperty("val")){
+		    form.dose[i].val=[].concat(form.dose[i].val);
+		}
+		else if(form.dose[i].hasOwnProperty("perKg")){
+		    form.dose[i].perKg=[].concat(form.dose[i].perKg);
+		    form.dose[i].val=[];
+		    form.dose[i].val[0]=Math.round(parseFloat(form.dose[i].perKg[0])*parseFloat(patient.wt)*100)/100;
+		    form.dose[i].val[1]=Math.round(parseFloat(form.dose[i].perKg[1])*parseFloat(patient.wt)*100)/100;
+		    form.dose[i]=setLimit(form.dose[i]);
+		}
+		else if(form.dose[i].hasOwnProperty("approx")){
+		    form.dose[i].val=[];
+		    form.dose[i].val=findApprox(form.dose[i].approx);
+		    form.dose[i]=setLimit(form.dose[i]);
+		}
+		else if(form.dose[i].hasOwnProperty("eq")){
+		    form.dose[i].eq=[].concat(form.dose[i].eq);
+		    form.dose[i].val=[];
+		    form.dose[i].val[0]=solveEq(form.dose[i].eq[0]);
+		    form.dose[i].val[1]=solveEq(form.dose[i].eq[1]);
+		    form.dose[i]=setLimit(form.dose[i]);
+		}
+		else{
+		    form.dose[i].val=[];
+		    form.dose[i].val[0]=null;
+		    form.dose[i].val[1]=null;
+		}
+	    }
+	}
+	return form;
+
+	function isolateRange(form, patient){
+	    var min=0;
+	    var max=0;
+	    var type="";
+	    if(patient.age.y===null && patient.age.m===null && patient.age.d===null){
+		return null;
+	    }
+	    var pDays=patient.age.y*365+patient.age.m*30+patient.age.d;
+	    for(var i=0; i<form.range.length; i++){
+		if(form.range[i].hasOwnProperty("min")){
+		    if(form.range[i].min.indexOf("kg")!=-1){
+			min=form.range[i].min.slice(0, str.indexOf("kg"));
+			type="wt";
+		    }
+		    else{
+			min=strToDays(form.range[i].min);
+			type="age";
+		    }
+		}
+		else{
+		    min=0;
+		}
+		if(form.range[i].hasOwnProperty("max")){
+		    if(form.range[i].max.indexOf("kg")!=-1){
+			max=form.range[i].max.slice(0, str.indexOf("kg"));
+			type="wt";
+		    }
+		    else{
+			max=strToDays(form.range[i].max);
+			type="age";
+		    }
+		}
+		else{
+		    max=Infinity;
+		}
+		if(type=="wt"){
+		    if(patient.wt>=min && patient.wt<max){
+			return form.range[i];
+		    }
+		}
+		else if(type=="age"){
+		    if(pDays>=min && pDays<max){
+			return form.range[i];
+		    }
+		}
+	    }
+	    return null;
+
+	    function strToDays(str){
+		var age={y: 0, m: 0, d: 0};
+		var days=0;
+		str=str.replace(/\s+/g, "");
+		if(str.indexOf("y")!=-1){
+		    age.y=str.slice(0, str.indexOf("y"));
+		    str=str.slice(str.indexOf("y", -1));
+		}
+		if(str.indexOf("m")!=-1){
+		    age.m=str.slice(0, str.indexOf("m"));
+		    str=str.slice(str.indexOf("m", -1));
+		}
+		if(str.indexOf("d")!=-1){
+		    age.d=str.slice(0, str.indexOf("d"));
+		    str=str.slice(str.indexOf("d", -1));
+		}
+		days=age.y*365+age.m*30+age.d;
+		return days;
+	    }
+	}
+
+	function findApprox(arr){
+	    var ret=[];
+	    arr[0]=arr[0]/2;
+	    for(var i=1; i<arr.length; i++){
+		arr[i]=solveEq(arr[i]);
+		ret[i-1]=Math.round(arr[i]/arr[0])/2;
+	    }
+	    if(!ret[0] || (ret[0]==ret[1])){
+		ret[0]=ret[1];
+		ret[1]=null;
+	    }
+	    return ret;
+	}
+
+	function solveEq(str){
+	    var bw=parseFloat(patient.wt);
+	    var ageY=patient.age.y;
+	    var ageM=ageY*12+patient.age.m;
+	    var ageD=ageM*30+patient.age.d;
+	    var ret=eval(str);
+	    ret=Math.round(ret*100)/100;
+	    return ret;
+	}
+
+	function setLimit(dose){
+	    if(dose.adult && dose.val){
+		if(dose.val[0]>dose.adult[0]){
+		    dose.val[0]=dose.adult[0];
+		}
+		if(dose.val[1]>dose.adult[1]){
+		    dose.val[1]=dose.adult[1];
+		}
+	    }
+	    if(dose.limit && dose.val){
+		if(dose.val[0]>dose.limit[0]){
+		    dose.val[0]=dose.limit[0];
+		}
+		if(dose.val[1]>dose.limit[1]){
+		    dose.val[1]=dose.limit[1];
+		}
+	    }
+	    if(dose.val[1]==dose.val[0]){
+		dose.val[1]=null;
+	    }
+	    return dose;
+	}
+    }
+}
diff --git a/src/DrugView.vue b/src/DrugView.vue
index 3ba5928..6bcf5ce 100644
--- a/src/DrugView.vue
+++ b/src/DrugView.vue
@@ -71,10 +71,24 @@
 					    <template v-for="i in item.dose">
 						<template v-if="i.val[0]">
 						    <tr>
-							<td class="active">Dose:</td>
-							<td>{{i.val[0]}}<span v-if="i.val[1]"> - {{i.val[1]}}</span> {{i.unit}} </td>
+							<td class="active" rowspan="2">Dose:</td>
+							<td>{{i.val[0]}}<span v-if="i.val[1]"> - {{i.val[1]}}</span> {{i.unit}}</td>
 							<td><span v-if="i.txt">{{i.txt}}</span><span v-else>per dose</span></td>
-							<td v-if="i.comment">{{i.comment}}</td>
+						    </tr>
+						    <tr>
+							<td><template v-if="i.perKg && (!i.limit || i.limit[0]!=i.val[0] || i.limit[1]!=i.val[1])">
+							    <template v-if="i.perKg">
+								<span v-if="i.perKg[0]">( {{i.perKg[0]}}<span v-if="i.perKg[1]">-{{i.perKg[1]}}</span> {{i.unit}}/kg</span>
+								<template v-if="i.adult">
+								    ; Adult: {{i.adult[0]}}<span v-if="i.adult[1] && i.adult[1]!=i.adult[0]">-{{i.adult[1]}}</span> {{i.unit}}
+								</template>
+								<template v-if="i.limit">
+								    ; Limit: {{i.limit[0]}}<span v-if="i.limit[1] && i.limit[1]!=i.limit[0]">-{{i.limit[1]}}</span> {{i.unit}}
+								</template>
+								)
+							    </template>
+							</td>
+							<td><span v-if="i.comment">{{i.comment}}</span></td>
 						    </tr>
 						</template>
 					    </template>
diff --git a/src/data/aciclovir.json b/src/data/aciclovir.json
index e854d83..770af2d 100644
--- a/src/data/aciclovir.json
+++ b/src/data/aciclovir.json
@@ -9,7 +9,7 @@
 		    "min": "2y",
 		    "dose": {
 			"perKg": 80,
-			"limit": [
+			"adult": [
 			    3200,
 			    3200
 			],
@@ -28,7 +28,7 @@
 		    "min": "2y",
 		    "dose": {
 			"perKg": 80,
-			"limit": [
+			"adult": [
 			    3200,
 			    3200
 			],
diff --git a/src/data/amikacin.json b/src/data/amikacin.json
index 8c3e6e6..f3c9ce2 100644
--- a/src/data/amikacin.json
+++ b/src/data/amikacin.json
@@ -9,7 +9,7 @@
 		    15,
 		    20
 		],
-		"limit": [
+		"adult": [
 		    1500,
 		    1500
 		],
@@ -27,7 +27,7 @@
 		    "15*bw",
 		    "20*bw"
 		],
-		"limit": [
+		"adult": [
 		    15,
 		    15
 		],
@@ -45,7 +45,7 @@
 		    "15*bw",
 		    "20*bw"
 		],
-		"limit": [
+		"adult": [
 		    6,
 		    6
 		],
@@ -63,7 +63,7 @@
 		    "15*bw",
 		    "20*bw"
 		],
-		"limit": [
+		"adult": [
 		    3,
 		    3
 		],
diff --git a/src/data/amoxycillin_clavulinic_acid.json b/src/data/amoxycillin_clavulinic_acid.json
index 87e319b..32f1e4d 100644
--- a/src/data/amoxycillin_clavulinic_acid.json
+++ b/src/data/amoxycillin_clavulinic_acid.json
@@ -9,7 +9,7 @@
 		    25,
 		    50
 		],
-		"limit": [
+		"adult": [
 		    250,
 		    500
 		],
@@ -25,7 +25,7 @@
 		    50,
 		    100
 		],
-		"limit": [
+		"adult": [
 		    1200,
 		    1200
 		],
@@ -42,7 +42,7 @@
 		    "25*bw",
 		    "50*bw"
 		],
-		"limit": [
+		"adult": [
 		    1,
 		    2
 		],
@@ -59,7 +59,7 @@
 		    "25*bw",
 		    "50*bw"
 		],
-		"limit": [
+		"adult": [
 		    0.5,
 		    1
 		],
@@ -75,7 +75,7 @@
 		    1,
 		    2
 		],
-		"limit": [
+		"adult": [
 		    10,
 		    20
 		],
@@ -92,7 +92,7 @@
 		    "50*bw",
 		    "100*bw"
 		],
-		"limit": [
+		"adult": [
 		    8,
 		    8
 		],
@@ -109,7 +109,7 @@
 		    "50*bw",
 		    "100*bw"
 		],
-		"limit": [
+		"adult": [
 		    4,
 		    4
 		],
@@ -126,7 +126,7 @@
 		    "50*bw",
 		    "100*bw"
 		],
-		"limit": [
+		"adult": [
 		    2,
 		    2
 		],
@@ -143,7 +143,7 @@
 		    "50*bw",
 		    "100*bw"
 		],
-		"limit": [
+		"adult": [
 		    1,
 		    1
 		],
diff --git a/src/data/cefixime.json b/src/data/cefixime.json
index 21e05ff..58f6006 100644
--- a/src/data/cefixime.json
+++ b/src/data/cefixime.json
@@ -6,7 +6,7 @@
 	    "gen": true,
 	    "dose": {
 		"perKg": 8,
-		"limit": [
+		"adult": [
 		    400,
 		    400
 		],
@@ -19,7 +19,7 @@
 	    "gen": true,
 	    "dose": {
 		"perKg": 20,
-		"limit": [
+		"adult": [
 		    400,
 		    400
 		],
@@ -36,7 +36,7 @@
 		    50,
 		    "8*bw"
 		],
-		"limit": [
+		"adult": [
 		    8,
 		    8
 		],
@@ -52,7 +52,7 @@
 		    100,
 		    "8*bw"
 		],
-		"limit": [
+		"adult": [
 		    4,
 		    4
 		],
@@ -68,7 +68,7 @@
 		    200,
 		    "8*bw"
 		],
-		"limit": [
+		"adult": [
 		    2,
 		    2
 		],
@@ -84,7 +84,7 @@
 		    400,
 		    "8*bw"
 		],
-		"limit": [
+		"adult": [
 		    1,
 		    1
 		],
@@ -97,7 +97,7 @@
 	    "content": "100mg/5ml",
 	    "dose": {
 		"perKg": 0.4,
-		"limit": [
+		"adult": [
 		    20,
 		    20
 		],
diff --git a/src/data/ceftriaxone.json b/src/data/ceftriaxone.json
index 39bcb20..38e58ed 100644
--- a/src/data/ceftriaxone.json
+++ b/src/data/ceftriaxone.json
@@ -9,7 +9,7 @@
 		    50,
 		    75
 		],
-		"limit": [
+		"adult": [
 		    1000,
 		    1000
 		],
@@ -19,9 +19,10 @@
 	},
 	{
 	    "mode": "Inj",
+	    "gen": true,
 	    "dose": {
 		"perKg": 50,
-		"limit": [
+		"adult": [
 		    1000,
 		    1000
 		],
@@ -32,6 +33,7 @@
 	},
 	{
 	    "mode": "Inj",
+	    "gen": true,
 	    "range": [
 		{
 		    "max": "1y",
@@ -40,7 +42,7 @@
 			    25,
 			    50
 			],
-			"limit": [
+			"adult": [
 			    125,
 			    125
 			],
@@ -52,12 +54,81 @@
 	},
 	{
 	    "mode": "Inj",
+	    "gen": true,
 	    "dose": {
 		"val": 125,
 		"unit": "mg",
 		"txt": "single IM",
 		"comment": "prophylaxis for N. meningitidis."
 	    }
+	},
+	{
+	    "mode": "Inj",
+	    "content": "125mg",
+	    "dose": {
+		"approx": [
+		    125,
+		    "50*bw",
+		    "75*bw"
+		],
+		"adult": [
+		    8,
+		    8
+		],
+		"unit": "vial",
+		"txt": ""
+	    }
+	},
+	{
+	    "mode": "Inj",
+	    "content": "250mg",
+	    "dose": {
+		"approx": [
+		    250,
+		    "50*bw",
+		    "75*bw"
+		],
+		"adult": [
+		    4,
+		    4
+		],
+		"unit": "vial",
+		"txt": ""
+	    }
+	},
+	{
+	    "mode": "Inj",
+	    "content": "500mg",
+	    "dose": {
+		"approx": [
+		    500,
+		    "50*bw",
+		    "75*bw"
+		],
+		"adult": [
+		    2,
+		    2
+		],
+		"unit": "vial",
+		"txt": ""
+	    }
+	},
+	{
+	    "mode": "Inj",
+	    "content": "1000mg",
+	    "dose": {
+		"approx": [
+		    1000,
+		    "50*bw",
+		    "75*bw"
+		],
+		"adult": [
+		    1,
+		    1
+		],
+		"unit": "vial",
+		"txt": ""
+	    }
 	}
     ]
 }
diff --git a/src/data/cefuroxime.json b/src/data/cefuroxime.json
index 1e9b49b..4bcf877 100644
--- a/src/data/cefuroxime.json
+++ b/src/data/cefuroxime.json
@@ -9,7 +9,7 @@
 		    20,
 		    30
 		],
-		"limit": [
+		"adult": [
 		    500,
 		    1000
 		],
@@ -22,7 +22,7 @@
 	    "gen": true,
 	    "dose": {
 		"perKg": 40,
-		"limit": [
+		"adult": [
 		    500,
 		    1000
 		],
@@ -39,7 +39,7 @@
 		    100,
 		    150
 		],
-		"limit": [
+		"adult": [
 		    2250,
 		    2250
 		],
@@ -71,7 +71,7 @@
 		    "20*bw",
 		    "30*bw"
 		],
-		"limit": [
+		"adult": [
 		    4,
 		    8
 		],
@@ -88,7 +88,7 @@
 		    "20*bw",
 		    "30*bw"
 		],
-		"limit": [
+		"adult": [
 		    2,
 		    4
 		],
@@ -105,7 +105,7 @@
 		    "20*bw",
 		    "30*bw"
 		],
-		"limit": [
+		"adult": [
 		    1,
 		    2
 		],
@@ -121,7 +121,7 @@
 		    0.8,
 		    1.2
 		],
-		"limit": [
+		"adult": [
 		    20,
 		    40
 		],
@@ -138,7 +138,7 @@
 		    "100*bw",
 		    "150*bw"
 		],
-		"limit": [
+		"adult": [
 		    2,
 		    4
 		],
diff --git a/src/data/diazepam.json b/src/data/diazepam.json
new file mode 100644
index 0000000..3d792cc
--- /dev/null
+++ b/src/data/diazepam.json
@@ -0,0 +1,110 @@
+{
+    "name": "Diazepam",
+    "form": [
+	{
+	    "mode": "Inj",
+	    "gen": true,
+	    "range": [
+		{
+		    "max": "1m",
+		    "dose": [
+			{
+			    "val": [
+				1,
+				5
+			    ],
+			    "unit": "mg",
+			    "txt": "slow IV for Neonatal Tetanus, max 2mg/kg, every 2-4 hrs alternating with Chlorpromazine."
+			},
+			{
+			    "perKg": [
+				15,
+				40
+			    ],
+			    "unit": "mg",
+			    "txt": "per day continuous infusion for Neonatal Tetanus."
+			}
+		    ]
+		},
+		{
+		    "min": "1m",
+		    "max": "5y",
+		    "dose": {
+			"perKg": [
+			    0.2,
+			    0.5
+			],
+			"limit": [
+			    5,
+			    5
+			],
+			"unit": "mg",
+			"txt": "IV or IM as anti-convulsant, maybe repeated q 3-5 mins"
+		    }
+		},
+		{
+		    "min": "5y",
+		    "dose": {
+			"perKg": [
+			    0.2,
+			    0.5
+			],
+			"limit": [
+			    10,
+			    10
+			],
+			"unit": "mg",
+			"txt": "IV or IM as anti-convulsant, maybe repeated q 3-5 mins"
+		    }
+		}
+	    ]
+	},
+	{
+	    "mode": "Oral/IV/IM",
+	    "gen": true,
+	    "range": [
+		{
+		    "max": "12y",
+		    "dose": {
+			"perKg": [
+			    0.1,
+			    0.2
+			],
+			"unit": "mg",
+			"txt": ""
+		    }
+		},
+		{
+		    "min": "12y",
+		    "dose": [
+			{
+			    "val": [
+				2,
+				10
+			    ],
+			    "unit": "mg",
+			    "txt": "per day for anxiety"
+			},
+			{
+			    "val": [
+				5,
+				10
+			    ],
+			    "unit": "mg",
+			    "txt": "at bedtime for Insomnia"
+			},
+			{
+			    "val": [
+				10,
+				30
+			    ],
+			    "unit": "mg",
+			    "txt": "for muscle spasms & premedication"
+			}
+		    ]
+		}
+	    ]
+	}
+    ],
+    "comment": "Available forms- Tab 2mg,5mg,10mg; Syr 2mg/5ml; Inj 10mg/2ml; Rectal sol 2mg/ml,5mg/5ml; Suppository 2.5mg,5mg"
+}
diff --git a/src/data/domperidone.json b/src/data/domperidone.json
index 798262c..95f9d55 100644
--- a/src/data/domperidone.json
+++ b/src/data/domperidone.json
@@ -9,7 +9,7 @@
 		    0.2,
 		    0.4
 		],
-		"limit": [
+		"adult": [
 		    10,
 		    20
 		],
@@ -26,7 +26,7 @@
 		    "0.2*bw",
 		    "0.4*bw"
 		],
-		"limit": [
+		"adult": [
 		    1,
 		    2
 		],
@@ -43,7 +43,7 @@
 		    "0.2*bw",
 		    "0.4*bw"
 		],
-		"limit": [
+		"adult": [
 		    2,
 		    4
 		],
@@ -59,7 +59,7 @@
 		    0.2,
 		    0.4
 		],
-		"limit": [
+		"adult": [
 		    10,
 		    20
 		],
@@ -75,7 +75,7 @@
 		    0.02,
 		    0.04
 		],
-		"limit": [
+		"adult": [
 		    1,
 		    2
 		],
diff --git a/src/data/furosemide.json b/src/data/furosemide.json
index 8e6b8f4..daddab8 100644
--- a/src/data/furosemide.json
+++ b/src/data/furosemide.json
@@ -10,7 +10,7 @@
 			2,
 			6
 		    ],
-		    "limit": [
+		    "adult": [
 			40,
 			80
 		    ],
@@ -22,7 +22,7 @@
 			1,
 			2
 		    ],
-		    "limit": [
+		    "adult": [
 			40,
 			80
 		    ],
@@ -53,7 +53,7 @@
 		    1,
 		    3
 		],
-		"limit": [
+		"adult": [
 		    20,
 		    40
 		],
@@ -70,7 +70,7 @@
 		    2,
 		    6
 		],
-		"limit": [
+		"adult": [
 		    1,
 		    2
 		],
@@ -86,7 +86,7 @@
 		    0.2,
 		    0.6
 		],
-		"limit": [
+		"adult": [
 		    4,
 		    8
 		],
diff --git a/src/data/hydroxyzine.json b/src/data/hydroxyzine.json
index 7e7f305..4bad040 100644
--- a/src/data/hydroxyzine.json
+++ b/src/data/hydroxyzine.json
@@ -9,7 +9,7 @@
 		    "min": "6m",
 		    "dose": {
 			"perKg": 2,
-			"limit": [
+			"adult": [
 			    50,
 			    200
 			],
@@ -30,7 +30,7 @@
 			    0.5,
 			    1
 			],
-			"limit": [
+			"adult": [
 			    50,
 			    200
 			],
@@ -51,7 +51,7 @@
 			    10,
 			    "2*bw"
 			],
-			"limit": [
+			"adult": [
 			    5,
 			    20
 			],
@@ -72,7 +72,7 @@
 			    25,
 			    "2*bw"
 			],
-			"limit": [
+			"adult": [
 			    2,
 			    8
 			],
@@ -90,7 +90,7 @@
 		    "min": "6m",
 		    "dose": {
 			"perKg": 1,
-			"limit": [
+			"adult": [
 			    25,
 			    100
 			],
@@ -108,7 +108,7 @@
 		    "min": "6m",
 		    "dose": {
 			"perKg": 0.33,
-			"limit": [
+			"adult": [
 			    8.33,
 			    33.33
 			],
@@ -129,7 +129,7 @@
 			    0.02,
 			    0.04
 			],
-			"limit": [
+			"adult": [
 			    2,
 			    8
 			],
diff --git a/src/data/levosalbutamol.json b/src/data/levosalbutamol.json
index 72a579c..b347938 100644
--- a/src/data/levosalbutamol.json
+++ b/src/data/levosalbutamol.json
@@ -9,7 +9,7 @@
 		    0.05,
 		    0.2
 		],
-		"limit": [
+		"adult": [
 		    1,
 		    2
 		],
@@ -26,7 +26,7 @@
 		    "0.05*bw",
 		    "0.2*bw"
 		],
-		"limit": [
+		"adult": [
 		    1,
 		    2
 		],
@@ -43,7 +43,7 @@
 		    "0.05*bw",
 		    "0.2*bw"
 		],
-		"limit": [
+		"adult": [
 		    1,
 		    2
 		],
@@ -59,7 +59,7 @@
 		    0.25,
 		    1
 		],
-		"limit": [
+		"adult": [
 		    5,
 		    10
 		],
@@ -75,7 +75,7 @@
 		    0.5,
 		    2
 		],
-		"limit": [
+		"adult": [
 		    10,
 		    20
 		],
diff --git a/src/data/ofloxacin.json b/src/data/ofloxacin.json
index 908a556..ef03032 100644
--- a/src/data/ofloxacin.json
+++ b/src/data/ofloxacin.json
@@ -6,7 +6,7 @@
 	    "gen": true,
 	    "dose": {
 		"perKg": 15,
-		"limit": [
+		"adult": [
 		    400,
 		    800
 		],
@@ -22,7 +22,7 @@
 		    5,
 		    10
 		],
-		"limit": [
+		"adult": [
 		    400,
 		    800
 		],
@@ -38,7 +38,7 @@
 		    100,
 		    "15*bw"
 		],
-		"limit": [
+		"adult": [
 		    4,
 		    8
 		],
@@ -54,7 +54,7 @@
 		    200,
 		    "15*bw"
 		],
-		"limit": [
+		"adult": [
 		    2,
 		    4
 		],
@@ -70,7 +70,7 @@
 		    400,
 		    "15*bw"
 		],
-		"limit": [
+		"adult": [
 		    1,
 		    2
 		],
@@ -83,7 +83,7 @@
 	    "content": "100mg/5ml",
 	    "dose": {
 		"perKg": 0.75,
-		"limit": [
+		"adult": [
 		    20,
 		    40
 		],
@@ -99,7 +99,7 @@
 		    2.5,
 		    5
 		],
-		"limit": [
+		"adult": [
 		    200,
 		    400
 		],
@@ -115,7 +115,7 @@
 		    1.25,
 		    2.5
 		],
-		"limit": [
+		"adult": [
 		    100,
 		    200
 		],
diff --git a/src/data/ondansetron.json b/src/data/ondansetron.json
index e2cadfe..659bb5e 100644
--- a/src/data/ondansetron.json
+++ b/src/data/ondansetron.json
@@ -47,7 +47,7 @@
 			    0.15,
 			    0.45
 			],
-			"limit": [
+			"adult": [
 			    8,
 			    8
 			],
@@ -59,7 +59,7 @@
 	},
 	{
 	    "mode": "Tab",
-	    "content": "4",
+	    "content": "4mg",
 	    "range": [
 		{
 		    "min": "3y",
@@ -163,7 +163,7 @@
 			    0.08,
 			    0.22
 			],
-			"limit": [
+			"adult": [
 			    4,
 			    4
 			],
diff --git a/src/data/paracetamol.json b/src/data/paracetamol.json
index 59d157f..0a0fc51 100644
--- a/src/data/paracetamol.json
+++ b/src/data/paracetamol.json
@@ -6,11 +6,8 @@
 	    "gen": true,
 	    "dose": [
 		{
-		    "perKg": [
-			15,
-			15
-		    ],
-		    "limit": [
+		    "perKg": 15,
+		    "adult": [
 			500,
 			1000
 		    ],
@@ -19,7 +16,7 @@
 		},
 		{
 		    "perKg": 60,
-		    "limit": [
+		    "adult": [
 			4000,
 			4000
 		    ],
@@ -32,11 +29,8 @@
 	    "mode": "Rectal",
 	    "gen": true,
 	    "dose": {
-		"perKg": [
-		    15,
-		    15
-		],
-		"limit": [
+		"perKg": 15,
+		"adult": [
 		    500,
 		    1000
 		],
@@ -48,11 +42,8 @@
 	    "mode": "IM",
 	    "gen": true,
 	    "dose": {
-		"perKg": [
-		    5,
-		    5
-		],
-		"limit": [
+		"perKg": 5,
+		"adult": [
 		    500,
 		    1000
 		],
@@ -69,7 +60,7 @@
 		    "15*bw",
 		    "15*bw"
 		],
-		"limit": [
+		"adult": [
 		    1,
 		    2
 		],
@@ -86,7 +77,7 @@
 		    "15*bw",
 		    "15*bw"
 		],
-		"limit": [
+		"adult": [
 		    1,
 		    1.5
 		],
@@ -103,7 +94,7 @@
 		    "15*bw",
 		    "15*bw"
 		],
-		"limit": [
+		"adult": [
 		    2,
 		    4
 		],
@@ -120,7 +111,7 @@
 		    "15*bw",
 		    "15*bw"
 		],
-		"limit": [
+		"adult": [
 		    1,
 		    1
 		],
@@ -133,7 +124,7 @@
 	    "content":"125mg/5ml",
 	    "dose": {
 		"perKg": 0.6,
-		"limit": [
+		"adult": [
 		    20,
 		    40
 		],
@@ -146,7 +137,7 @@
 	    "content":"250mg/5ml",
 	    "dose": {
 		"perKg": 0.3,
-		"limit": [
+		"adult": [
 		    10,
 		    20
 		],
@@ -159,7 +150,7 @@
 	    "content":"100mg/ml",
 	    "dose": {
 		"perKg": 0.15,
-		"limit": [
+		"adult": [
 		    5,
 		    10
 		],
@@ -176,7 +167,7 @@
 		    "15*bw",
 		    "15*bw"
 		],
-		"limit": [
+		"adult": [
 		    4,
 		    8
 		],
@@ -193,7 +184,7 @@
 		    "15*bw",
 		    "15*bw"
 		],
-		"limit": [
+		"adult": [
 		    2,
 		    4
 		],
@@ -206,7 +197,7 @@
 	    "content":"150mg/5ml",
 	    "dose": {
 		"perKg": 0.03,
-		"limit": [
+		"adult": [
 		    3,
 		    6.5
 		],
diff --git a/src/data/phenytoin.json b/src/data/phenytoin.json
new file mode 100644
index 0000000..55b5665
--- /dev/null
+++ b/src/data/phenytoin.json
@@ -0,0 +1,173 @@
+{
+    "name": "Phenytoin",
+    "form": [
+	{
+	    "mode": "Oral",
+	    "gen": true,
+	    "dose": {
+		"perKg": [
+		    5,
+		    8
+		],
+		"adult": [
+		    150,
+		    300
+		],
+		"unit": "mg",
+		"txt": "per day q 12 hr or single dose",
+		"comment": "Increased to max 200-400mg in adults"
+	    }
+	},
+	{
+	    "mode": "IV",
+	    "gen": true,
+	    "dose": {
+		"perKg": [
+		    15,
+		    20
+		],
+		"unit": "mg",
+		"txt": "Loading dose @ 1mg/kg/min",
+		"comment": "diluted in NS, require cardiac monitoring"
+	    }
+	},
+	{
+	    "mode": "IV",
+	    "gen": true,
+	    "dose": [
+		{
+		    "perKg": 1.25,
+		    "adult":[
+			1500,
+			1500
+		    ],
+		    "unit": "mg",
+		    "txt": "q 5min",
+		    "comment": "Loading dose for arrythmia"
+		},
+		{
+		    "perKg": 15,
+		    "adult":[
+			1500,
+			1500
+		    ],
+		    "unit": "mg",
+		    "txt": "",
+		    "comment": "Max loading dose for arrythmia"
+		},
+		{
+		    "perKg": [
+			5,
+			10
+		    ],
+		    "unit": "mg",
+		    "txt": "per day q 12 hr",
+		    "comment": "Maintenance dose for arrythmia"
+		}
+	    ]
+	},
+	{
+	    "mode": "Oral",
+	    "gen": true,
+	    "dose": {
+		"perKg": [
+		    5,
+		    10
+		],
+		"unit": "mg",
+		"txt": "per day q 12 hr",
+		"comment": "Maintenance dose for arrythmia"
+	    }
+	},
+	{
+	    "mode": "Tab",
+	    "content": "50mg",
+	    "dose": {
+		"approx": [
+		    50,
+		    "5*bw",
+		    "8*bw"
+		],
+		"adult": [
+		    3,
+		    6
+		],
+		"unit": "tab",
+		"txt": ""
+	    }
+	},
+	{
+	    "mode": "Tab",
+	    "content": "100mg",
+	    "dose": {
+		"approx": [
+		    100,
+		    "5*bw",
+		    "8*bw"
+		],
+		"adult": [
+		    1.5,
+		    3
+		],
+		"unit": "tab",
+		"txt": ""
+	    }
+	},
+	{
+	    "mode": "Susp",
+	    "content": "125mg/5ml",
+	    "dose": {
+		"perKg": [
+		    0.2,
+		    0.32
+		],
+		"adult": [
+		    6,
+		    12
+		],
+		"unit": "ml",
+		"txt": ""
+	    }
+	},
+	{
+	    "mode": "Syr",
+	    "content": "30mg/5ml",
+	    "dose": {
+		"perKg": [
+		    0.8,
+		    1.3
+		],
+		"adult": [
+		    25,
+		    50
+		],
+		"unit": "ml",
+		"txt": ""
+	    }
+	},
+	{
+	    "mode": "IV",
+	    "content": "25mg/ml",
+	    "dose": {
+		"perKg": [
+		    0.6,
+		    0.8
+		],
+		"unit": "ml",
+		"txt": ""
+	    }
+	},
+	{
+	    "mode": "IV",
+	    "content": "50mg/ml",
+	    "dose": {
+		"perKg": [
+		    0.3,
+		    0.4
+		],
+		"unit": "ml",
+		"txt": ""
+	    }
+	}
+    ]
+}
diff --git a/src/data/prednisolone.json b/src/data/prednisolone.json
index db1dccb..b6b2dc9 100644
--- a/src/data/prednisolone.json
+++ b/src/data/prednisolone.json
@@ -9,7 +9,7 @@
 		    1,
 		    2
 		],
-		"limit": [
+		"adult": [
 		    60,
 		    60
 		],
@@ -41,7 +41,7 @@
 		    "1*bw",
 		    "2*bw"
 		],
-		"limit": [
+		"adult": [
 		    12,
 		    12
 		],
@@ -58,7 +58,7 @@
 		    "1*bw",
 		    "2*bw"
 		],
-		"limit": [
+		"adult": [
 		    6,
 		    6
 		],
@@ -75,7 +75,7 @@
 		    "1*bw",
 		    "2*bw"
 		],
-		"limit": [
+		"adult": [
 		    3,
 		    3
 		],
@@ -92,7 +92,7 @@
 		    "1*bw",
 		    "2*bw"
 		],
-		"limit": [
+		"adult": [
 		    2,
 		    2
 		],
@@ -109,7 +109,7 @@
 		    "1*bw",
 		    "2*bw"
 		],
-		"limit": [
+		"adult": [
 		    1.5,
 		    1.5
 		],
@@ -125,7 +125,7 @@
 		    1,
 		    2
 		],
-		"limit": [
+		"adult": [
 		    60,
 		    60
 		],
@@ -141,7 +141,7 @@
 		    0.33,
 		    0.66
 		],
-		"limit": [
+		"adult": [
 		    20,
 		    20
 		],
diff --git a/src/data/ranitidine.json b/src/data/ranitidine.json
index 52cfd13..041ccfc 100644
--- a/src/data/ranitidine.json
+++ b/src/data/ranitidine.json
@@ -9,7 +9,7 @@
 		    2,
 		    4
 		],
-		"limit": [
+		"adult": [
 		    300,
 		    300
 		],
@@ -25,7 +25,7 @@
 		    4,
 		    8
 		],
-		"limit": [
+		"adult": [
 		    600,
 		    600
 		],
@@ -42,7 +42,7 @@
 		    1,
 		    2
 		],
-		"limit": [
+		"adult": [
 		    200,
 		    200
 		],
@@ -59,7 +59,7 @@
 		    "2*bw",
 		    "4*bw"
 		],
-		"limit": [
+		"adult": [
 		    2,
 		    2
 		],
@@ -76,7 +76,7 @@
 		    "2*bw",
 		    "4*bw"
 		],
-		"limit": [
+		"adult": [
 		    1,
 		    1
 		],
@@ -92,7 +92,7 @@
 		    0.13,
 		    0.26
 		],
-		"limit": [
+		"adult": [
 		    20,
 		    20
 		],
@@ -108,7 +108,7 @@
 		    0.04,
 		    0.08
 		],
-		"limit": [
+		"adult": [
 		    8,
 		    8
 		],
diff --git a/src/data/valproate.json b/src/data/valproate.json
new file mode 100644
index 0000000..7c64505
--- /dev/null
+++ b/src/data/valproate.json
@@ -0,0 +1,65 @@
+{
+    "name": "Valproate",
+    "form": [
+	{
+	    "mode": "Oral",
+	    "gen": true,
+	    "dose": [
+		{
+		    "perKg": [
+			10,
+			15
+		    ],
+		    "adult": [
+			600,
+			600
+		    ],
+		    "unit": "mg",
+		    "txt": "per day q 12 hr initially"
+		},
+		{
+		    "perKg": [
+			5,
+			10
+		    ],
+		    "adult": [
+			200,
+			200
+		    ],
+		    "unit": "mg",
+		    "txt": "per day; increment at weekly interval"
+		},
+		{
+		    "perKg": 60,
+		    "adult": [
+			5000,
+			5000
+		    ],
+		    "unit": "mg",
+		    "txt": "per day; maximum dose",
+		    "comment": "usual adult dose 1-2gm/day"
+		}
+	    ]
+	},
+	{
+	    "mode": "IV",
+	    "gen": true,
+	    "dose": [
+		{
+		    "perKg": 20,
+		    "unit": "mg",
+		    "txt": "loading dose"
+		},
+		{
+		    "perKg": [
+			5,
+			10
+		    ],
+		    "unit": "q 8 hr",
+		    "txt": "maintenance dose @ 20mg/min max"
+		}
+	    ]
+	}
+    ],
+    "comment": "Available forms- Tab 200mg,300mg,400mg,500mg; Syr 200mg/5ml; Inj 100mg/ml."
+}
diff --git a/src/data/zinc.json b/src/data/zinc.json
index 81847ac..9331d03 100644
--- a/src/data/zinc.json
+++ b/src/data/zinc.json
@@ -45,7 +45,7 @@
 	    "gen": true,
 	    "dose": {
 		"perKg": 6,
-		"limit": [
+		"adult": [
 		    220,
 		    220
 		],
diff --git a/src/dosage.js b/src/dosage.js
deleted file mode 100644
index 7fa8ce5..0000000
--- a/src/dosage.js
+++ /dev/null
@@ -1,213 +0,0 @@
-/**********************************************************************
- * Title: PDosage
- * Description: Pediatric Calculator
- * Author: Agnibho Mondal
- * Website: http://code.agnibho.com
- **********************************************************************
-   Copyright (c) 2016 Agnibho Mondal
-   All rights reserved
- **********************************************************************
-   This file is part of PDosage.
-   
-   PDosage is free software: you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation, either version 3 of the License, or
-   (at your option) any later version.
-   
-   PDosage is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-   
-   You should have received a copy of the GNU General Public License
-   along with PDosage. If not, see <http://www.gnu.org/licenses/>.
- **********************************************************************/
-
-export default function Dosage(data){
-
-    Object.defineProperty(data, "prop", {
-	writable: false
-    });
-
-    this.get=function(){
-	return data;
-    }
-
-    this.listDrugs=function(){
-	var list=data.map(function(obj){
-	    return obj.name;
-	});
-	return list;
-    }
-
-    this.getDrug=function(name, patient){
-	if(this.listDrugs().indexOf(name)==-1){
-	    return null;
-	}
-	var drug=JSON.parse(JSON.stringify(data.filter(extract)[0]));
-	function extract(obj){
-	    return (obj.name == name);
-	}
-	for(var i=0; i<drug.form.length; i++){
-	    drug.form[i]=calculateDose(drug.form[i], patient);
-	}
-	return drug;
-    }
-
-    function calculateDose(form, patient){
-	while(form.hasOwnProperty("range")){
-	    var res=isolateRange(form, patient);
-	    delete form.range;
-	    if(res!=null){
-		if(res.hasOwnProperty("range")){
-		    form.range=res.range;
-		}
-		else{
-		    form.dose=res.dose;
-		}
-	    }
-	}
-	if(form.dose){
-	    form.dose=[].concat(form.dose);
-	    for(var i=0; i<form.dose.length; i++){
-		if(form.dose[i].hasOwnProperty("val")){
-		    form.dose[i].val=[].concat(form.dose[i].val);
-		}
-		else if(form.dose[i].hasOwnProperty("perKg")){
-		    form.dose[i].perKg=[].concat(form.dose[i].perKg);
-		    form.dose[i].val=[];
-		    form.dose[i].val[0]=Math.round(parseFloat(form.dose[i].perKg[0])*parseFloat(patient.wt)*100)/100;
-		    form.dose[i].val[1]=Math.round(parseFloat(form.dose[i].perKg[1])*parseFloat(patient.wt)*100)/100;
-		    form.dose[i]=setLimit(form.dose[i]);
-		}
-		else if(form.dose[i].hasOwnProperty("approx")){
-		    form.dose[i].val=[];
-		    form.dose[i].val=findApprox(form.dose[i].approx);
-		    form.dose[i]=setLimit(form.dose[i]);
-		}
-		else if(form.dose[i].hasOwnProperty("eq")){
-		    form.dose[i].eq=[].concat(form.dose[i].eq);
-		    form.dose[i].val=[];
-		    form.dose[i].val[0]=solveEq(form.dose[i].eq[0]);
-		    form.dose[i].val[1]=solveEq(form.dose[i].eq[1]);
-		    form.dose[i]=setLimit(form.dose[i]);
-		}
-		else{
-		    form.dose[i].val=[];
-		    form.dose[i].val[0]=null;
-		    form.dose[i].val[1]=null;
-		}
-	    }
-	}
-	return form;
-
-	function isolateRange(form, patient){
-	    var min=0;
-	    var max=0;
-	    var type="";
-	    if(patient.age.y===null && patient.age.m===null && patient.age.d===null){
-		return null;
-	    }
-	    var pDays=patient.age.y*365+patient.age.m*30+patient.age.d;
-	    for(var i=0; i<form.range.length; i++){
-		if(form.range[i].hasOwnProperty("min")){
-		    if(form.range[i].min.indexOf("kg")!=-1){
-			min=form.range[i].min.slice(0, str.indexOf("kg"));
-			type="wt";
-		    }
-		    else{
-			min=strToDays(form.range[i].min);
-			type="age";
-		    }
-		}
-		else{
-		    min=0;
-		}
-		if(form.range[i].hasOwnProperty("max")){
-		    if(form.range[i].max.indexOf("kg")!=-1){
-			max=form.range[i].max.slice(0, str.indexOf("kg"));
-			type="wt";
-		    }
-		    else{
-			max=strToDays(form.range[i].max);
-			type="age";
-		    }
-		}
-		else{
-		    max=Infinity;
-		}
-		if(type=="wt"){
-		    if(patient.wt>=min && patient.wt<max){
-			return form.range[i];
-		    }
-		}
-		else if(type=="age"){
-		    if(pDays>=min && pDays<max){
-			return form.range[i];
-		    }
-		}
-	    }
-	    return null;
-
-	    function strToDays(str){
-		var age={y: 0, m: 0, d: 0};
-		var days=0;
-		str=str.replace(/\s+/g, "");
-		if(str.indexOf("y")!=-1){
-		    age.y=str.slice(0, str.indexOf("y"));
-		    str=str.slice(str.indexOf("y", -1));
-		}
-		if(str.indexOf("m")!=-1){
-		    age.m=str.slice(0, str.indexOf("m"));
-		    str=str.slice(str.indexOf("m", -1));
-		}
-		if(str.indexOf("d")!=-1){
-		    age.d=str.slice(0, str.indexOf("d"));
-		    str=str.slice(str.indexOf("d", -1));
-		}
-		days=age.y*365+age.m*30+age.d;
-		return days;
-	    }
-	}
-
-	function findApprox(arr){
-	    var ret=[];
-	    arr[0]=arr[0]/2;
-	    for(var i=1; i<arr.length; i++){
-		arr[i]=solveEq(arr[i]);
-		ret[i-1]=Math.round(arr[i]/arr[0])/2;
-	    }
-	    if(!ret[0] || (ret[0]==ret[1])){
-		ret[0]=ret[1];
-		ret[1]=null;
-	    }
-	    return ret;
-	}
-
-	function solveEq(str){
-	    var bw=parseFloat(patient.wt);
-	    var ageY=patient.age.y;
-	    var ageM=ageY*12+patient.age.m;
-	    var ageD=ageM*30+patient.age.d;
-	    var ret=eval(str);
-	    ret=Math.round(ret*100)/100;
-	    return ret;
-	}
-
-	function setLimit(dose){
-	    //console.log(">>"+JSON.stringify(dose));
-	    if(dose.limit && dose.val){
-		if(dose.val[0]>dose.limit[0]){
-		    dose.val[0]=dose.limit[0];
-		}
-		if(dose.val[1]>dose.limit[1]){
-		    dose.val[1]=dose.limit[1];
-		}
-	    }
-	    if(dose.val[1]==dose.val[0]){
-		dose.val[1]=null;
-	    }
-	    return dose;
-	}
-    }
-}
diff --git a/src/main.js b/src/main.js
index 911745e..55c918f 100644
--- a/src/main.js
+++ b/src/main.js
@@ -36,7 +36,7 @@ import "bootstrap";
 import "bootstrap-validator";
 
 //Backend files
-import Dosage from "./dosage.js";
+import Dosage from "./Dosage.js";
 import data from "./data.json";
 
 //Vue Components
@@ -58,7 +58,7 @@ new Vue({
 	"about-view": AboutView
     },
     data: {
-	patient: {age: {y:null, m:null, d:null}, wt:null},
+	patient: {age: {y:30, m:null, d:null}, wt:50},
 	dosage: "",
 	favs: "[]"
     },
diff --git a/src/routine.js b/src/routine.js
index f334d44..a23f329 100644
--- a/src/routine.js
+++ b/src/routine.js
@@ -31,6 +31,7 @@ $(document).ready(function(){
 
     //Insert version code
     $(".version").text(VERSION);
+    $(".data-ver").text(JSON.parse(localStorage.getItem("pdosage_data")).version);
 
     //Update copyright
     $(".copyright").each(function(){