function Page_Init()  
{  
    //Initialize Menu  
    //new DIS.Menu("navMenu"); 

} 
//Event.observe(document, 'dom:loaded', Page_Init);   



if(typeof DIS == "undefined") DIS = {};

DIS.Menu = Class.create();

DIS.Menu.prototype = {
    initialize: function(menuID) {
        this.menuID = menuID;
        this.menu =  $(menuID);
        if (!this.menu) return;

        this.over = function(event) {
            var element = Event.element(event);
            var ul = element.$$("ul");
            if (ul[0]) {
                alert("d")
                ul[0].show();
            }
        }
        this.out = function(event) {
            var element = Event.element(event);
            var ul = element.$$("ul");
            if (ul[0]) {
                ul[0].hide();
            }
        }

        this.LIs = $A(this.menu.getElementsByTagName("li"));
        
        this.LIs.each(
            function(li) {
                li.observe("mouseover", this.over);
                li.observe("mouseout", this.out);
            }
        )
    },
    activeElement: function(event) {
    
    }
}

/*

        this.menu.observe('mouseover', function(event) {
            var element = Event.element(event);
            element.addClassName("over");
        })
        this.menu.observe('mouseout', function(event) {
            var element = Event.element(event);
            element.removeClassName("over");
        })

if(typeof DIS == "undefined") DIS = {};
DIS.DN = Class.create();
DIS.DN.prototype = {
    initialize:
}
*/
//  var menu = $("menu");
//	menu.observe('mouseover', function(event) {
//		$$("ul#menu li.show").each(
//			function(item) {
//				item.removeClassName("show");
//			}
//		);
//		var li = event.findElement("li");
//		if (li.getElementsByTagName("ul").length == 0) return;
//        Event.stop(event);  
//		event.findElement("li").addClassName("show");
//	});
    
function getURLParam(strParamName){
	var strReturn = "";
	var strHref = decodeURIComponent(window.location.href);
	if ( strHref.indexOf("?") > -1 ){
		var strQueryString = strHref.substr(strHref.indexOf("?")).toLowerCase();

		var nlrQueryString = strHref.substr(strHref.indexOf("?"), (strHref.indexOf("#")>0?strHref.indexOf("#") -strHref.indexOf("?"):strHref.length - strHref.indexOf("?")) ).split("&");
		var aQueryString = strQueryString.split("&");
		for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
			if (
			aQueryString[iParam].indexOf(strParamName.toLowerCase() + "=") > -1 ){
			var aParam = nlrQueryString[iParam].split("=");
			strReturn = aParam[1];
		break;
		 }
	}
	}
	return strReturn;
}

function changeBg(id)	{
	document.getElementById('dnMap').src = '/Files/System/dnMaps/'+id+'.gif';
}
function resetBg()	{
	if (getURLParam('Region'))	{
	document.getElementById('dnMap').src = '/Files/System/dnMaps/'+getURLParam('Region')+'.gif';
	} else	{
	document.getElementById('dnMap').src = '/Files/System/dnMaps/0.gif';
	}
}