var preloaded = [];
		var preName = [];
		 preName[1] = "AboutUs";
		 preName[2] = "Services";
		 preName[3] = "Portfolio";
		 preName[4] = "Contact";
		 
		for (var i = 1; i <= 6; i++) {
			preloaded[i] = [loadImage(preName[i] + "-0.gif"), loadImage(preName[i] + "-1.gif")];
		}	
		
		function init() {

			if (TransMenu.isSupported()) {
				TransMenu.initialize();
							
			}
		}
		
			// preloader
			function loadImage(sFilename) {
				var img = new Image();
				img.src ="/images/buttons/" + sFilename;
				//img.src =sFilename;
				return img;
			}
			
			// swapper l'image
			function swapImage(imgName, sFilename) {
			//alert(sFilename);
				document.images[imgName].src = sFilename;
			}