function SwitchCatImg(xRefObj,bFlag) {
		sImgCat = document.getElementById('imgCat'+xRefObj);
		sSubMenu = document.getElementById('SubMenu_'+xRefObj);
		if (bFlag == '1') {
			sImgCat.src = '../Images/CategoryMenuBtn/'+xRefObj+'bb.gif';
		}
		else {
			//alert(sSubMenu.style.visibility);
			//if(sSubMenu.style.visibility == 'hidden') {
				sImgCat.src = '../Images/CategoryMenuBtn/'+xRefObj+'.gif';
			//}
		}
	}

	function getAbsPos(xObj){
		var lx = 0, ly = 0;
		while(xObj){
			lx += xObj.offsetLeft;
			ly += xObj.offsetTop;
			xObj = xObj.offsetParent;
		}
		return {x:lx, y:ly};
	}

	function PosObject(xObj, xRefObj, sPos){
		var lPos = getAbsPos(xRefObj);
		switch(sPos.substring(0, 2)){
			case 'LL': break;
			case 'LR': lPos.x -= xObj.clientWidth; break;
			case 'RL': lPos.x += xRefObj.clientWidth; break;
			case 'RR': lPos.x += (xRefObj.clientWidth - xObj.clientWidth)-2; break;
		}
		switch(sPos.substring(2, 4)){
			case 'TT': break;
			case 'TB': lPos.y -= xObj.clientHeight; break;
			case 'BT': lPos.y += xRefObj.clientHeight; break;
			case 'BB': lPos.y += (xRefObj.clientHeight - xObj.clientHeight); break;
		}
		xObj.style.left = lPos.x; xObj.style.top = lPos.y;
	}

	function isChildOf(nParentObj, nChildObj){
		while(nChildObj && (nChildObj != document.body)){
			if(nParentObj == nChildObj) return true;
			nChildObj = nChildObj.parentNode;
		}
		return false;
	}

	var G_MENU_STACK = null;
	function trackMenu(e){
		e = (e || window.event);
		showMenu(null, e.relatedTarget ? e.relatedTarget : e.toElement, null);
	}

	function showMenu(xObj, xParent, sPos){
		while(G_MENU_STACK && !isChildOf(G_MENU_STACK, xParent)){
			G_MENU_STACK.style.visibility = 'hidden';
			G_MENU_STACK._MenuParent.onmouseout = G_MENU_STACK._MenuParent.Oonmouseout ;
			G_MENU_STACK = G_MENU_STACK._MenuPrev;
		}
		if(!xObj) return;
		xObj._MenuPrev = G_MENU_STACK; G_MENU_STACK = xObj;
		xObj._MenuParent = xParent;
		PosObject(xObj, xParent, sPos);
		xObj.onmouseout = trackMenu;
		xParent.Oonmouseout = xParent.onmouseout;
		xParent.onmouseout = function(e) { trackMenu(e) ; if(this.Oonmouseout) this.Oonmouseout(); }
		xObj.style.visibility = '';
	}