var home_over = new Image();
		home_over.src = "images/but2_about.gif";
		var about_over = new Image();
		home_over.src = "images/but2_invest.gif";
		var about_over = new Image();
		about_over.src = "images/but2_2d.gif";
		var dates_over = new Image();
		dates_over.src = "images/but2_3d.gif";
		var suppliers_over = new Image();
		suppliers_over.src = "images/but2_control.gif";
		var members_over = new Image();

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