var preloadFlag = false;

					// Load background images for menu
					function preloadImgs(sRoot) {						
					
					if (document.images) {
						imgList = new Array(2);
						imgList[0] = new Image();
						imgList[0].src = sRoot + '/images/nav_bg.gif';
						imgList[1] = new Image();
						imgList[1].src = sRoot + '/images/nav_bg1.gif';
						preloadFlag = true;
					}
					}

					// Change background image of the element
					function changeImg(elm, imgNum, selected) {
					if (preloadFlag && elm != 'undefined' && !selected) {
						if (imgList[imgNum] != 'undefined') {
						elm.style.backgroundImage = "url('"+imgList[imgNum].src+"')";
					}
					}}

					function clickMenu(oCtl){
						document.location = oCtl.children[0].href;
					}