var url = location.href;
var urlArr = url.split('#',1);
var rooturl = urlArr[0];
function rDropDown() {
	this.initialize();
}
rDropDown.prototype = {
	open: false,
	timeout: false,
	openLi: null,
	initialize: function() {
	    var userAgent = navigator.userAgent.toLowerCase()
        if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox')!=-1)
            $("#TopNav > ul").addClass('macFF');
            
		var lis = $("#TopNav > ul > li");
		for (var i=0; i<lis.length; i++) {
			$(lis[i]).bind('mouseover', {parentThis: this, li:lis[i]}, function(params) {
				params.data.parentThis.show(params.data.li);
			});
			$(lis[i]).bind('mouseout', {parentThis: this, li:lis[i]}, function(params) {
				params.data2 = params.data;
				params.data.parentThis.timeout = setTimeout(function() {
					params.data = params.data2;
					params.data.parentThis.hide(params.data.li);
				}, 1);
			});
		}
	},
	show: function(li) {
		if (this.openLi && this.openLi != li) {
			this.hide(this.openLi);
		}
		if(this.timeout){
			clearTimeout(this.timeout);
			this.timeout = false;
		}
		if(this.open){
			return;
		}
		if ($(li).hasClass('hasSub')) {
			$(li).addClass('hoverSub');
		}
		else {
			$(li).addClass('hover');
		}
		this.openLi = li;
		this.open = true;
		this.iframeFix(li);
	},
	hide: function(li) {
		if(!this.open){
			return;
		}
		$(li).removeClass('hover');
		$(li).removeClass('hoverSub');
		this.open = false;
		if (this.iframe) {
			this.iframe.style.display = "none";
		}
	},
	iframeFix: function(li) {
		if(!document.all) {
			//return;
		}
		
		var subnav = $('div.subnav', li)[0];
		if (subnav) {
			if (!this.iframe) {
				this.iframe = document.createElement('iframe');
				this.iframe.style.position = 'absolute';
				this.iframe.frameBorder = 0;
				this.iframe.style.filter = 'alpha(opacity=0)';
				this.iframe.style.zIndex = -1;
				document.body.appendChild(this.iframe);
			}
			this.iframe.style.display = "block";
			this.iframe.style.top = $(subnav).offset().top + 'px';
			this.iframe.style.left = $(subnav).offset().left + 'px';
			this.iframe.style.width = $(subnav).width() + 'px';
			this.iframe.style.height = $(subnav).height() + 'px';
		}
	}
}
$(document).ready(function(){
	new rDropDown();
	// add .last class to last LI item within Breadcrumb
    $("div#Breadcrumb ul li:last-child").addClass("last");
});