var popupShowID;
var currentMainNavLiA;
var currentMainNavLi;
var popup;
var currentNavID;
var contentContainer_OH;
//var tab_navs_wrapper_OH;
var currentHighLightNav;

function initMainNav()
{
	popup = $("#popup_wrapper div:first");
	contentContainer_OH = $(".contentContainer").get()[0].offsetHeight;
	//tab_navs_wrapper_OH = $(".tab_navs_wrapper").get()[0].offsetHeight;
	//alert(tab_navs_wrapper_OH);
	currentHighLightNav = $("#main_navs_wrapper ul li[class!='nav_div'] a[class='current']");
	
	$("#main_navs_wrapper ul li[class!='nav_div']").hover(
				function(){
				clearTimeout(popupShowID);
				popup.css("display","none");
				$("#popup_wrapper").height(contentContainer_OH);
				currentHighLightNav.removeClass("current");
				
				$("#popup_wrapper").css("display","block");
				currentNavID = this.id;
				popup = $("#"+currentNavID+"_popup");
				popup.css("display","block");
				selectFix("hide");
				
				currentMainNavLi = $(this);//current Li
				currentMainNavLiA = currentMainNavLi.find("a");
				$("#main_navs_wrapper ul li[class!='nav_div'][id!='"+currentNavID+"'] a").addClass("bottomBorder");
				$(this).prev("li.nav_div").addClass("current_nav_div");
				$(this).next("li.nav_div").addClass("current_nav_div");
				},
			function(){
				$(this).prev("li.nav_div").removeClass("current_nav_div");
				$(this).next("li.nav_div").removeClass("current_nav_div");
				$("#main_navs_wrapper ul li[class!='nav_div'][id!='"+currentNavID+"'] a").removeClass("bottomBorder");
				popupShowID = setTimeout(function(){
					popup.css("display","none");
					selectFix("show")
					$("#popup_wrapper").css("display","none");
					currentHighLightNav.addClass("current");
					},200);
				}
		);
	
	$("#popup_wrapper > div").hover(
		function(){
			clearTimeout(popupShowID);
			currentMainNavLiA.addClass("current");
			$("#main_navs_wrapper ul li[class!='nav_div'][id!='"+currentNavID+"'] a").addClass("bottomBorder");
			currentMainNavLi.prev("li.nav_div").addClass("current_nav_div");
			currentMainNavLi.next("li.nav_div").addClass("current_nav_div");
			},
		function(){
			$("#popup_wrapper").css("display","none");
			currentHighLightNav.addClass("current");
			currentMainNavLiA.removeClass("current");
			$("#main_navs_wrapper ul li[class!='nav_div'][id!='"+currentNavID+"'] a").removeClass("bottomBorder");
			currentMainNavLi.prev("li.nav_div").removeClass("current_nav_div");
			currentMainNavLi.next("li.nav_div").removeClass("current_nav_div");
			}
	);
	


	
}//function initMainNav end

function selectFix(type){
	if(navigator.userAgent.indexOf("MSIE 6.0") != -1)
		{
			if(type=="hide")
			{
				$("select").css("visibility","hidden");
			}
			if(type=="show")
			{
				$("select").css("visibility","visible");
			}
		}
	}

// put initMainNav at the bottom of each page: foot.php
//addEvent(window,"load",initMainNav);