var checkboxHeight = "25";
var radioHeight = "25";
var selectWidth = "181";

/* No need to change anything after this */

var browser=navigator.appName;
var ieversion;
if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)){
	ieversion=new Number(RegExp.$1)
}
if(browser=='Microsoft Internet Explorer' && ieversion==6){
	document.write('<style type="text/css">input.styled { display: none; } select.styled { display:none; }</style>');
}else{
	document.write('<style type="text/css">input.styled { display: none; } select.styled { position: relative; width: ' + selectWidth + 'px; opacity: 0; filter: alpha(opacity=0); z-index: 5; }</style>');
}
var Custom = {
	init: function() {
		var inputs = document.getElementsByTagName("input"), span = Array(),myinput = Array(),ul=Array(), textnode, option, active,flag=0;
		for(a = 0; a < inputs.length; a++) {
			if((inputs[a].type == "checkbox" || inputs[a].type == "radio") && inputs[a].className == "styled") {
				span[a] = document.createElement("span");
				myinput[a] = document.createElement("input");
				span[a].className = inputs[a].type;

				if(inputs[a].checked == true) {
					if(inputs[a].type == "checkbox") {
						position = "0 -" + (checkboxHeight*2) + "px";
						span[a].style.backgroundPosition = position;
					} else {
						position = "0 -" + (radioHeight*2) + "px";
						span[a].style.backgroundPosition = position;
					}
				}
				inputs[a].parentNode.insertBefore(span[a], inputs[a]);
				inputs[a].onchange = Custom.clear;
				span[a].onmousedown = Custom.pushed;
				span[a].onmouseup = Custom.check;
				document.onmouseup = Custom.clear;
			}
		}
		var browser=navigator.appName;
		var ieversion;
		if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)){
			ieversion=new Number(RegExp.$1)
		}
		inputs = document.getElementsByTagName("select");
		if(browser=='Microsoft Internet Explorer' && ieversion==6){
			for(a = 0; a < inputs.length; a++) {
				if(inputs[a].className == "styled") {
					option = inputs[a].getElementsByTagName("option");
					active = option[inputs[a].selectedIndex].childNodes[0].nodeValue;
					textnode = document.createTextNode(active);
					span[a] = document.createElement("span");
					span[a].className = "sel";
					span[a].id = "sel" + inputs[a].name;
					//span[a].style.top='0';
					span[a].onclick=Custom.spanclicked;
					span[a].appendChild(textnode);
					inputs[a].parentNode.insertBefore(span[a], inputs[a]);
					ul[a] = document.createElement("ul");
					ul[a].className = "selUl";
					ul[a].id = "selUl" + inputs[a].name;
					var optCount=inputs[a].options.length;
					var li=Array();
					var selIndex=inputs[a].selectedIndex;
					if(optCount >14 ){
						ul[a].style.height = '290px';
						ul[a].style.overflowY = 'scroll';
					}
					for(var i=0;i<optCount;i++){
						li[i] = document.createElement("li");
						if(selIndex==i){
							li[i].style.background="#316AC5";
							li[i].style.color="#fff";
						}
						textnode = document.createTextNode(inputs[a].options[i].text);
						li[i].appendChild(textnode);
						li[i].onmouseover=Custom.hoverin;
						li[i].onclick=Custom.clicked;
						li[i].onkeyup=Custom.keyup;
						ul[a].appendChild(li[i]);
					}
					inputs[a].parentNode.insertBefore(ul[a], inputs[a]);
				}
			}
		}else{
			for(a = 0; a < inputs.length; a++) {
			if(inputs[a].className == "styled") {
				option = inputs[a].getElementsByTagName("option");
				active = option[0].childNodes[0].nodeValue;
				textnode = document.createTextNode(active);
				for(b = 0; b < option.length; b++) {
					if(option[b].selected == true) {
						textnode = document.createTextNode(option[b].childNodes[0].nodeValue);
					}
				}
				span[a] = document.createElement("span");
				span[a].className = "select";
				span[a].id = "select" + inputs[a].name;
				span[a].appendChild(textnode);
				inputs[a].parentNode.insertBefore(span[a], inputs[a]);
				
				var browser=navigator.appName;
				var ieversion;

				if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)){
					ieversion=new Number(RegExp.$1)
				}
/*				
				if(browser=='Microsoft Internet Explorer' && ieversion==6){
					inputs[1].style.visibility='hidden';
				}
*/				//inputs[a].onchange = Custom.choose;
				
				inputs[a].onchange = Custom.choose;
			}
		}
	}
			document.onclick=Custom.clearUl;
			document.onkeydown=Custom.clearUl;
			//ul[a].onblur=Custom.clearUl;
	},
	pushed: function() {
		element = this.nextSibling;
		if(element.checked == true && element.type == "checkbox") {
			this.style.backgroundPosition = "0 -" + checkboxHeight*3 + "px";
		} else if(element.checked == true && element.type == "radio") {
			this.style.backgroundPosition = "0 -" + radioHeight*3 + "px";
		} else if(element.checked != true && element.type == "checkbox") {
			this.style.backgroundPosition = "0 -" + checkboxHeight + "px";
		} else {
			this.style.backgroundPosition = "0 -" + radioHeight + "px";
		}
	},
	check: function() {
		element = this.nextSibling;
		if(element.checked == true && element.type == "checkbox") {
			this.style.backgroundPosition = "0 0";
			element.checked = false;
		} else {
			if(element.type == "checkbox") {
				this.style.backgroundPosition = "0 -" + checkboxHeight*2 + "px";
			} else {
				this.style.backgroundPosition = "0 -" + radioHeight*2 + "px";
				group = this.nextSibling.name;
				inputs = document.getElementsByTagName("input");
				for(a = 0; a < inputs.length; a++) {
					if(inputs[a].name == group && inputs[a] != this.nextSibling) {
						inputs[a].previousSibling.style.backgroundPosition = "0 0";
					}
				}
			}
			element.checked = true;
		}
	},
	clear: function() {
		inputs = document.getElementsByTagName("input");
		for(var b = 0; b < inputs.length; b++) {
			if(inputs[b].type == "checkbox" && inputs[b].checked == true && inputs[b].className == "styled") {
				inputs[b].previousSibling.style.backgroundPosition = "0 -" + checkboxHeight*2 + "px";
			} else if(inputs[b].type == "checkbox" && inputs[b].className == "styled") {
				inputs[b].previousSibling.style.backgroundPosition = "0 0";
			} else if(inputs[b].type == "radio" && inputs[b].checked == true && inputs[b].className == "styled") {
				inputs[b].previousSibling.style.backgroundPosition = "0 -" + radioHeight*2 + "px";
			} else if(inputs[b].type == "radio" && inputs[b].className == "styled") {
				inputs[b].previousSibling.style.backgroundPosition = "0 0";
			}
		}
	},
	choose: function() {
		option = this.getElementsByTagName("option");
		for(d = 0; d < option.length; d++) {
			if(option[d].selected == true) {
				document.getElementById("select" + this.name).childNodes[0].nodeValue = option[d].childNodes[0].nodeValue;
			}
		}
	},
	hoverin: function(){
		if(this.nextSibling==null){
			this.previousSibling.style.background="#fff";
			this.previousSibling.style.color="#000";
		}else if(this.previousSibling==null){
			this.nextSibling.style.background="#fff";
			this.nextSibling.style.color="#000";
		}else{
			this.nextSibling.style.background="#fff";
			this.nextSibling.style.color="#000";
			this.previousSibling.style.background="#fff";
			this.previousSibling.style.color="#000";
		}
		var len=this.parentNode.getElementsByTagName("li").length;
		for(var i=0;i<len;i++){
			this.parentNode.getElementsByTagName("li")[i].style.background="#fff";
			this.parentNode.getElementsByTagName("li")[i].style.color="#000";
		}
		this.style.background="#316AC5";
		this.style.color="#fff";
	},
	clicked:function(){
		var id=this.parentNode.id.split("selUl")[1];
		var sid="sel"+id;
		textnode = document.createTextNode(this.childNodes[0].nodeValue);
		document.getElementById(sid).childNodes[0].nodeValue='';
		document.getElementById(sid).childNodes[0].nodeValue=this.childNodes[0].nodeValue;
//		document.getElementById(sid).appendChild(textnode);
		document.getElementById(id).selectedIndex =Custom.getIndex(id);
		this.style.background="#316AC5";
		this.style.color="#fff";
		this.parentNode.style.display='none';
	},
	getIndex:function(id){
		var sid=document.getElementById("sel"+id);
		var x;
		var selectObj=document.getElementById(id);
		var count=selectObj.getElementsByTagName('option').length;
		for(var i=0;i<count;i++){

			if(selectObj.getElementsByTagName('option')[i].childNodes[0].nodeValue==sid.childNodes[0].nodeValue){
				return i;
			}
		}
	},
	spanclicked:function(){
		Custom.clearUl;
		//alert($(this).css('top'));
		flag=1;
		if(this.nextSibling.style.display=='none'||this.nextSibling.style.display==''){
			this.nextSibling.style.display='block';
			this.nextSibling.style.border='1px solid #000000';
			var i=this.nextSibling.nextSibling.selectedIndex;
			this.nextSibling.getElementsByTagName('li')[i].style.background="#316AC5";
			this.nextSibling.getElementsByTagName('li')[i].style.color="#fff";
			this.nextSibling.focus();
		}else{
			this.nextSibling.style.display='none';
		}
	},
	clearUl:function(){
		if(!flag){
			var inputs = document.getElementsByTagName("select");
			for(a = 0; a < inputs.length; a++) {
				if(inputs[a].className == "styled") {
					var lii=inputs[a].previousSibling.getElementsByTagName("li");
					for(var i=0;i<lii.length;i++){
						lii[i].style.background="#fff";
						lii[i].style.color="#000";
					}
					inputs[a].previousSibling.style.display='none';
				}
			}
		}else{
			flag=0;
		}
	},
	keyup:function(){
		alert('s');
	}
}
window.onload = Custom.init;