
	<!--
	var ok = (document.images ? true : false);
	function rollover(whichimg,overimg) {
	        if (ok) {
	                eval('document.images["' + whichimg + '"].src = ' + overimg + '.src');
	        }
	}
	if (ok) {
			nav1 = new Image;
			nav1.src = "graphics/nav1_off.gif";
			nav1_on = new Image;
			nav1_on.src = "graphics/nav1_ovr.gif";
			
			nav2 = new Image;
			nav2.src = "graphics/nav2_off.gif";
			nav2_on = new Image;
			nav2_on.src = "graphics/nav2_ovr.gif";
			
			nav3 = new Image;
			nav3.src = "graphics/nav3_off.gif";
			nav3_on = new Image;
			nav3_on.src = "graphics/nav3_ovr.gif";
			
			nav4 = new Image;
			nav4.src = "graphics/nav4_off.gif";
			nav4_on = new Image;
			nav4_on.src = "graphics/nav4_ovr.gif";
			
			nav5 = new Image;
			nav5.src = "graphics/nav5_off.gif";
			nav5_on = new Image;
			nav5_on.src = "graphics/nav5_ovr.gif";
	}
	//-->