/*
CUSTOM FORM ELEMENTS

Created by Ryan Fait
www.ryanfait.com
Visit http://ryanfait.com/ for more information.

modified by Charles Lee:
-now works if select/radio/checkbox contains multiple classnames 
-added a shorter select version
*/

var checkboxHeight = "25";
var radioHeight = "25";
var selectWidth = "178";
var selectShortWidth = "68";

document.write('<style type="text/css">');
document.write('input.styled { display: none; }');
document.write('select.styled, select.styled2 { position: relative; width: ' + selectWidth + 'px; opacity: 0; filter: alpha(opacity=0); z-index: 5; }');
document.write('select.styled2 { width: ' + selectShortWidth + 'px; }');
document.write('.disabled { opacity: 0.5; filter: alpha(opacity=50); }');
document.write('</style>');

var Custom = {
	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") {
			if ((inputs[a].type == "checkbox" || inputs[a].type == "radio") && $(inputs[a]).is('.styled')) {
				span[a] = document.createElement("span");
				span[a].className = inputs[a].type+" c"+a;

				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;
				if (!inputs[a].getAttribute("disabled")) {
					span[a].onmousedown = Custom.pushed;
					span[a].onmouseup = Custom.check;
				} else {
					span[a].className = span[a].className += " disabled";
				}
			}
		}
		inputs = document.getElementsByTagName("select");
		for (a = 0; a < inputs.length; a++) {
			//if (inputs[a].className == "styled") {
			if ($(inputs[a]).is('.styled') || $(inputs[a]).is('.styled2')) {
				option = inputs[a].getElementsByTagName("option");
				active = option[0].childNodes[0].nodeValue;
				textnode = document.createTextNode(active);
				for (b = 0; b < option.length; b++) {
					if (option[b].selected == true) {
						textnode = document.createTextNode(option[b].childNodes[0].nodeValue);
					}
				}
				span[a] = document.createElement("span");
				if ($(inputs[a]).is('.styled')) {
					span[a].className = "select";
				}
				if ($(inputs[a]).is('.styled2')) {
					span[a].className = "selectShort";
				}
				span[a].id = "select" + inputs[a].name;
				span[a].appendChild(textnode);
				inputs[a].parentNode.insertBefore(span[a], inputs[a]);
				if (!inputs[a].getAttribute("disabled")) {
					inputs[a].onchange = Custom.choose;
				} else {
					inputs[a].previousSibling.className = inputs[a].previousSibling.className += " disabled";
				}
			}
		}
		document.onmouseup = Custom.clear;
	},
	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;
			}
		}
	}
}
window.onload = Custom.init;