homeOn = new Image;
		homeOn.src = '/images/btn_home_on.gif';
		homeOff = new Image;
		homeOff.src = '/images/btn_home_off.gif';
		homeDown = new Image;
		homeDown.src = '/images/btn_home_down.gif';
		
		uwinfoOn = new Image;
		uwinfoOn.src = '/images/btn_uwinfo_on.gif';
		uwinfoOff= new Image;
		uwinfoOff.src = '/images/btn_uwinfo_off.gif';
		uwinfoDown = new Image;
		uwinfoDown.src = '/images/btn_uwinfo_down.gif';

		uwadminOn = new Image;
		uwadminOn.src = '/images/btn_uwadmin_on.gif';
		uwadminOff= new Image;
		uwadminOff.src = '/images/btn_uwadmin_off.gif';
		uwadminDown = new Image;
		uwadminDown.src = '/images/btn_uwadmin_down.gif';

		
		function changeImage(imgName, imgObj){
			if (document.images) 
            	document.images[imgName].src = eval(imgObj+".src");
 		}

		function showLayer(layer) {
			if (document.all) 
				dom = eval('document.all' + '["' +layer+ '"]' + '.style'); 
			if (document.layers) 
				dom = eval('document.layers' + '["' +layer+ '"]');  
			if (document.getElementById) 
				dom = eval('document.getElementById("' +layer+ '").style');
			if (document.layers) dom.visibility = "show"; else dom.visibility = "visible";
			
			if (layer == 'top' || layer == 'left') {
				if (!document.layers) dom.visibility = "hidden";
			}
			dom.index = 1;
		}
		function hideLayer(layer) {
			if (document.all) 
				dom = eval('document.all' + '["' +layer+ '"]' + '.style'); 
			if (document.layers) 
				dom = eval('document.layers' + '["' +layer+ '"]');  
			if (document.getElementById) 
				dom = eval('document.getElementById("' +layer+ '").style');
			if (document.layers) dom.visibility = "hide"; else dom.visibility = "hidden";
			dom.index = 1;
		}
		function hideLayers(){ /*hide all layers */
			hideLayer('home');
			hideLayer('uwadmin');
			hideLayer('uwinfo');
			hideLayer('blank');
		}

		function switchBack(){ /*Switches rollover buttouw back to original state*/
			changeImage('homebutton','homeOff');
			changeImage('uwadminbutton','uwadminOff');
			changeImage('uwinfobutton','uwinfoOff');
			//alert('test');
		}