var preloaded = [];

		for (var i = 1; i <= 7; i++) {
			preloaded[i] = [loadImage(i + "1.jpg"), loadImage(i + "2.jpg")];
		}

		function init() {
			if (mtDropDown.isSupported()) {
				mtDropDown.initialize();

				menu1.onactivate = function() { swapImage("button1", preloaded[1][1].src) };
				menu1.ondeactivate = function() { swapImage("button1", preloaded[1][0].src) };


				menu3.onactivate = function() { swapImage("button3", preloaded[3][1].src) };
				menu3.ondeactivate = function() { swapImage("button3", preloaded[3][0].src) };


				menu7.onactivate = function() { swapImage("button7", preloaded[7][1].src) };
				menu7.ondeactivate = function() { swapImage("button7", preloaded[7][0].src) };
				

	}
		}

		function loadImage(sFilename) {
			var img = new Image();
			img.src ="kepek/" + sFilename;
			return img;
		}

		function swapImage(imgName, sFilename) {
			document.images[imgName].src = sFilename;
		}