//获取Url传过来的值
function Request(name)
{
     new RegExp("(^|&)"+name+"=([^&]*)").exec(window.location.search.substr(1));
     return RegExp.$2
}

thisURL = document.URL;     //
thisHREF = document.location.href; //
thisSLoc = self.location.href;   //
thisDLoc = document.location;   //

thisTLoc = top.location.href;   //
thisPLoc = parent.document.location;//
thisTHost = top.location.hostname; // localhost
thisHost = location.hostname;   // localhost

thisU1 = window.location.protocol; // http:
thisU2 = window.location.host;   // localhost:81
thisU3 = window.location.pathname; // /Test/1.htm

document.writeln( thisURL + "<br />");
document.writeln( thisHREF + "<br />");
document.writeln( thisSLoc + "<br />");
document.writeln( thisDLoc + "<br />");

document.writeln( thisTLoc + "<br />");
document.writeln( thisPLoc + "<br />");
document.writeln( thisTHost + "<br />");
document.writeln( thisHost + "<br />");

document.writeln( thisU1 + "<br />");
document.writeln( thisU2 + "<br />");
document.writeln( thisU3 + "<br />");

document.writeln( "Did="+Request("Did") );// Did=123
</SCRIPT>