var browserName = navigator.appName;
		var browserVersion = navigator.appVersion;
		var browserVersionNum = parseFloat(browserVersion);
		
		if (browserName.indexOf("Netscape") != -1) {
			if (browserVersionNum<5) {
    			// net < 5
				document.write("<p>");
    			document.write("<img src='http://www.fair-portal.hull.ac.uk/images/image1.gif' alt='filler graphic'  />");
				document.write("</p>");
				document.write("<br />");
				document.write("<p>&nbsp;</p>");
  			}else {
    			// net 5+
    			document.write("<img src='http://www.fair-portal.hull.ac.uk/images/image1.gif' alt='filler graphic'  />");
  			}
		}
		else if (browserVersion.indexOf("Explorer")) {
  			document.write("<img src='http://www.fair-portal.hull.ac.uk/images/image1.gif' alt='filler graphic'  />");		
  		}