function initPage()
{
	var inputs = document.getElementsByTagName("input");
	for (var i=0; i<inputs.length; i++)
	{
		if (inputs[i].type == "text" && (inputs[i].name == "email" || inputs[i].name == "query"))
		{
			var form = getAncestor(inputs[i], "form");
			if (form)
				form.onsubmit = handleSubmit;

			inputs[i].onfocus = function () {
					if (this.value != "")
						this.value = "";
				}
			inputs[i].onblur = function () {
					if (this.value == "" && this.name == "email") this.value = "enter email address";
					if (this.value == "" && this.name == "query") this.value = "Keyword or Model #";
				}	
		}
	}
}

function handleSubmit()
{
	var re = new RegExp('^\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*$');
	var element = this.elements["email"];
	if (element)
	{
		if (element.value == "")
		{
			alert("Email address is empty!");
			return false;
		}
		else
			return element.value.match(re)
				|| (alert("You have entered incorrect email address!"), false);
	}
	return true;
}

function getAncestor(element, tagName)
{
	var node = element;
	while (node.parentNode && (!node.tagName ||
			(node.tagName.toUpperCase() != tagName.toUpperCase())))
		node = node.parentNode;
	return node;
}

if (window.addEventListener)
	window.addEventListener("load", initPage, false);
else if (window.attachEvent)
	window.attachEvent("onload", initPage);

var mainActiveObj,mainActiveLi,innerUl;

function checkClick(){
	innerUl = true;
}

	sfHover = function() {
	var sfEls = document.getElementById("left").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
			}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
			}
		}
	}
	if (window.attachEvent) window.attachEvent("onload", sfHover);