function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		btn_buy_now_top_over = newImage("/images/btn_buy-now-top-over.jpg");
		btn_about_over = newImage("/images/btn_about-over.jpg");
		btn_contact_over = newImage("/images/btn_contact-over.jpg");
		btn_rules_over = newImage("/images/btn_rules-over.jpg");
		btn_auction_calendar_over = newImage("/images/btn_auction-calendar-over.jpg");
		btn_list_over = newImage("/images/btn_list-over.jpg");
		btn_market_over = newImage("/images/btn_market-over.jpg");
		btn_auction_services_over = newImage("/images/btn_auction-services-over.jpg");
		btn_buy_now_over = newImage("/images/btn_buy-now-over.jpg");
		btn_links_over = newImage("/images/btn_links-over.jpg");
		btn_picture_over = newImage("/images/btn_picture-over.jpg");
		btn_directions_over = newImage("/images/btn_directions-over.jpg");
		preloadFlag = true;
	}
}

// client mouseover
var menuids=["mainNav"] //Enter id(s) of SuckerTree UL menus, separated by commas
	
	function buildsubmenus_horizontal()
	{
		for (var i=0; i<menuids.length; i++)
		{
			if (document.getElementById(menuids[i]))
			{
			var ultags=document.getElementById(menuids[i]).getElementsByTagName("ul")
			for (var t=0; t<ultags.length; t++)
			{
				if (ultags[t].parentNode.parentNode.id==menuids[i]){ //if this is a first level submenu
					ultags[t].style.top=ultags[t].parentNode.offsetHeight+"px" //dynamically position first level submenus to be height of main menu item
					ultags[t].parentNode.getElementsByTagName("a")[0].className="mainfoldericon"
				}
				else{ //else if this is a sub level menu (ul)
				  ultags[t].style.left=ultags[t-1].getElementsByTagName("a")[0].offsetWidth+"px" //position menu to the right of menu item that activated it
				  ultags[t].parentNode.getElementsByTagName("a")[0].className="subfoldericon"
				}
				ultags[t].parentNode.onmouseover=function(){
					this.getElementsByTagName("ul")[0].style.visibility="visible";
					this.getElementsByTagName("a")[0].className += " mnHover";
					
					this.className+="mnHover";
					if (this.id.length > 0 && this.id.indexOf("btn") > -1)
					{
						var imageName = "/images/" + this.id + "-over.gif";
						changeImages(this.id, imageName);
					}
					
				}
				ultags[t].parentNode.onmouseout=function()	{
					this.getElementsByTagName("ul")[0].style.visibility="hidden";
					this.getElementsByTagName("a")[0].className = this.getElementsByTagName("a")[0].className.replace(new RegExp(" mnHover"), "");
					this.className=this.className.replace(new RegExp("mnHover"), "");
					if (this.id.length > 0  && this.id.indexOf("btn") > -1)
					{
						var imageName = "/images/" + this.id + ".gif";
						changeImages(this.id, imageName);
					}
				}
			}
			}
		}
	}
	  
	
	if (window.addEventListener) {
		window.addEventListener("load", buildsubmenus_horizontal, false)
	} else if (window.attachEvent) {
		window.attachEvent("onload", buildsubmenus_horizontal);
	}