var menuExtImg = new Image();
menuExtImg.src = 'images/menuext.gif';

var menuExtImgOn = new Image();
menuExtImgOn.src = 'images/menuexton.gif';

var moduleZindex = 0;

var hideTimer = new Array();

function openLinks(liObj, level, mainCat) {
	var ulObjArr = liObj.getElementsByTagName('UL');
	if(ulObjArr){
		ulObj = ulObjArr[0];
		if(ulObj) {
			if(level) {
				ulObj.style.left = '201px';
				ulObj.style.marginTop = '-20px';
			}
			if(mainCat){
				ulObj.style.marginTop = '-33px';
			}
			clearTimeout(hideTimer[ulObj.id]);
			if(level==0){
				ulObj.style.visibility = 'visible';
				ulObj.style.display = 'block';
			}else{
				setTimeout("setDelay('"+ulObj.id+"')",700);
			}
		}
	}
}

function setDelay(ulObjId){
	var ulObj = document.getElementById(ulObjId);
	ulObj.style.visibility = 'visible';
	ulObj.style.display = 'block';
}
function closeLinks(liObj, level) {
	var ulObjArr = liObj.getElementsByTagName('UL');
	if(ulObjArr){
		ulObj = ulObjArr[0];
		if(ulObj) {
			if(level==0){
				hideTimer[ulObj.id] = setTimeout("closeDelay('"+ulObj.id+"')",1000);
			}else{
				hideTimer[ulObj.id] = setTimeout("closeDelay('"+ulObj.id+"')",700);
			}	
		}
	}
}
function closeDelay(ulObjId){
	var ulObj = document.getElementById(ulObjId);
	if(ulObj) {
		ulObj.style.visibility = 'hidden';
		ulObj.style.display = 'none';
	}
}
function parseMenu(liObj){
	var ulObjs = liObj.getElementsByTagName('UL');
	ulObjs[0].onmouseover = function(e){
		if(this.parentNode.tagName != 'DIV'){
 			this.parentNode.firstChild.style.backgroundColor = '#FF9900';
 			this.parentNode.firstChild.style.color = '#000000';
		}
	}
	ulObjs[0].onmouseout = function(e){
		if(this.parentNode.tagName != 'DIV'){
			this.parentNode.firstChild.style.backgroundColor = '#ccff9a';
			this.parentNode.firstChild.style.color = '#000000';
		}
	}
	var liObjs = ulObjs[0].getElementsByTagName('LI');
	for(var i=0; i<liObjs.length; i++){
		var sulObjs = liObjs[i].getElementsByTagName('UL');
		if(sulObjs.length > 0) {
			liObjs[i].level = (liObjs[i].parentNode.parentNode.tagName == 'DIV') ? 0 : 1;
			if(liObjs[i].level) {
				liObjs[i].firstChild.style.backgroundImage = "url('" + menuExtImg.src + "')";
				liObjs[i].firstChild.style.backgroundRepeat = "no-repeat";
				liObjs[i].firstChild.style.backgroundPosition = "188px 50%";
			}
			liObjs[i].onmouseover = function(e) {
				var mainCat=0;
				if(this.firstChild.tagName == 'H2'){
					this.firstChild.style.backgroundColor = '#cc0033';
					this.firstChild.style.color = '#fff';
					mainCat = 1;
				}else{
					this.firstChild.style.backgroundColor = (this.level==0) ? '#FF9900' : '#ccff9a';
					this.firstChild.style.color = '#000000';
				}
				if(this.level) {
					this.firstChild.style.backgroundImage = "url('" + menuExtImgOn.src + "')";
				}
				
				openLinks(this, this.level ,mainCat);
			};
			liObjs[i].onmouseout = function(e) {
				if(this.firstChild.tagName == 'H2'){
					this.firstChild.style.backgroundColor = '#333366';
					this.firstChild.style.color = '#fff';
				}else{
					this.firstChild.style.backgroundColor = (this.level==0) ? '#ccff9a' : '#33cccc';
					this.firstChild.style.color = '#000000';
				}
				if(this.level)
					this.firstChild.style.backgroundImage = "url('" + menuExtImg.src + "')";
				
				closeLinks(this, this.level);
			};
			parseMenu(liObjs[i]);
		}
	}
}
function setUpMenu(){
	var menuDiv = document.getElementById('menu');
	parseMenu(menuDiv);
}