/* CUSTOM FORM ELEMENTS - Created by Ryan Fait - www.ryanfait.com*/
var checkboxHeight = "20";
var radioHeight = "20";
var selectWidth = "158";
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 Customforms = {
	init: function() {
		var inputs = document.getElementsByTagName("input"), span = Array(), textnode, option, active;
		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");
				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]);
				if(!inputs[a].onchange) inputs[a].onchange = Customforms.clear;
				span[a].onmousedown = Customforms.pushed;
				span[a].onmouseup = Customforms.check;
				document.onmouseup = Customforms.clear;}}
		inputs = document.getElementsByTagName("select");
		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]);
				if(!inputs[a].onchange) inputs[a].onchange += Customforms.choose;}}
	},
	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;}}
}