function getarg()...{ var url = unescape(window.location.href); var allargs = url.split("?")[1]; if(allargs==undefined) ...{ return null; } var args = allargs.split("&"); for(var i = 0; i < args.length; i++) ...{ var arg = args[i].split("="); eval('this.' + arg[0] + '="' + arg[1] + '";'); } }var urlarg = new getarg();var param1 = urlarg.id;