Popup Calendar Javascript

Copy the following code into your HEAD tags.

<script type="text/javascript" language="javascript"> function HTML(p){ if(!p){ /*default*/ p='A action align alt B background Base bgcolor BIG BLINK BODY border bordercolor bordercolordark bordercolorlight Br cellpadding cellspacing checked color cols colspan compact content dir DIV enctype face FONT FORM H1 H2 H3 H4 H5 H6 HEAD height Hr href hspace HTML I id Img Input lang language leftmargin LI marginheight marginwidth maxlength Meta method name NOSCRIPT noshade nowrap OL onblur onchange onclick onfocus onload onmouseout onmouseover onreset onselect onsubmit onunload OPTION P PRE profile readonly rows rowspan SCRIPT SELECT size SMALL SPAN src start STRIKE STYLE style SUB SUP TABLE target TD TEXTAREA TH TITLE title topmargin TR TT type U UL valign value vspace width wrap' }; String.prototype.write=function(){ document.write(this); return this }; String.prototype.alert=function(){ window.alert(this); return this }; String.prototype.status=function(){ window.status=this; return this }; var x=[ function(W){var q=String.fromCharCode(34);return ' x='+q+((typeof(W)!='undefined')?W:'x')+q}/*attr*/, function(W){return '<x'+((typeof(W)!='undefined')?W:'')+' />'}/*tag*/, function(W){return '<x'+((typeof(W)!='undefined')?W:'')+'>'+this+'</'+'x>'}/*container*/, function(W){var o='<x'+((typeof(W)!='undefined')?W:'')+' />';return o+this.join(o)}/*tags*/, function(W){var o='<x'+((typeof(W)!='undefined')?W:'')+'>';var c='</'+'x>';return o+this.join(c+o)+c}/*containers*/ ]; var j=[]; var f=0; var a=p.split(' '); var t,u,l; for(var i=0;i<a.length;i++){ t=a[i]; u=t.toUpperCase(); l=t.toLowerCase(); if(t==l){ /*attr*/ j[f]='window.'+u+'='+x[0] } else if(t==u){ /*container;containers*/ j[f]='String.prototype.'+u+'='+x[2]+';Array.prototype.'+u+'='+x[4] } else{ /*tag;tags*/ j[f]='window.'+u+'='+x[1]+';Array.prototype.'+u+'='+x[3] }; /*specific*/ j[f]=j[f].replace(/x/g,l); f++ }; window.status='HTML() bookmarklet library: Copyright (c) 2002-'+(new Date()).getFullYear()+', by Richard Edwards. ['+f+' tag/attrs added] '; /*implement!*/ eval(j.join(';')) }; HTML(); </script> <script type="text/javascript" language="javascript"> function init(){m='January February March April May June July August September October November December'.split(' ');wd='Su M Tu W Th Fr Sa'.split(' ');lom=[31,28,31,30,31,30,31,31,30,31,30,31];sz=25;js='javascript';fn=[function(F){},function(F){DATE=new Date(F.date.value);if(isNaN(DATE.valueOf())){DATE=new Date()};M=DATE.getMonth();D=DATE.getDate();Y=DATE.getFullYear();lom[1]=28;if((Y%/**/4==0)&&((Y%/**/100>0)||(Y%/**/400==0))){lom[1]++}},function(F){if(D>lom[M]){D=lom[M]};F.date.value=(M<9?'0':'')+(1.0+M)+'/'+(D<10?'0':'')+D+'/'+Y;dv.value=F.date.value;if(opener.Page){opener.document.forms[0][dv.name].value=F.date.value}},function(){F=this.form;fn[1](F);M=this.selectedIndex;fn[2](F);fn[0](F)},function(){F=this.form;fn[1](F);D=this.value;fn[2](F);fn[0](F)},function(){F=this.form;fn[1](F);Y=this.value;fn[2](F);fn[0](F)},function(F){fn[1](F);var f=new Date(Y,M,1);var x=1-(f.getDay());for(var i=0;i<49;i++){F.d[i].value=(i<7?wd[i]:'');F.d[i].onclick=this;};for(var i=1;i<=lom[M];i++){w=Math.floor((i-1)/7);n=7+i-x;F.d[n].value=i;F.d[n].onclick=fn[4];if(i==D){F.d[7+i-x].focus()}};for(var i=0;i<F.m.length;i++){F.m[i].selected=(i==M)};F.m.onchange=fn[3];F.y.value=Y;F.y.onchange=fn[5];F.y.onblur=fn[5];fn[2](F)}];fn[0]=fn[6]};init();function popCal(datevalue){if(!datevalue){dv={name:'Today',value:(new Date())}}else{dv=datevalue};var c=ALIGN('center')+HEIGHT(sz);var h=(m.OPTION().SELECT(NAME('m'))+INPUT(TYPE('text')+SIZE(4)+NAME('y'))+INPUT(TYPE('hidden')+NAME('date')+VALUE(dv.value))).TD(COLSPAN(7)+c);var b=INPUT(TYPE('button')+NAME('d')+STYLE('width:'+sz+';height:'+sz)+WIDTH(sz)+c);var r=[b,b,b,b,b,b,b].TD(WIDTH(sz*7)+c);h=[h,r,r,r,r,r,r,r].TR(c).TABLE(BORDER('0')+CELLSPACING('0')+CELLPADDING('0')+c).FORM(NAME('frm')+ACTION(js+'://'));h+=(init+';init();dv=opener.dv;fn[0](document.forms.frm);').SCRIPT(LANGUAGE(js)+TYPE('text/'+js));window.open('','cal'+(new Date()).valueOf(),'height='+sz*9+',width='+sz*8).document.write(h)}; </script>