var lu_isIE = ("Microsoft Internet Explorer" == navigator.appName);
var lu_nMajorVersion = eval(navigator.appVersion.substring(0,1));

function writeLastUpdate(){
	if(4 <= lu_nMajorVersion){
		document.write("Last Update : ");
		document.write(document.lastModified);
		if(lu_isIE && (1 > navigator.appVersion.indexOf("MSIE 5"))){
			document.write("(GMT)\n");
		}
	}
}