判断客户端是否装有QQ-来自清凉小屋

判断客户端是否装有QQ

function IsInstallQQ(){

try{//支持
var xmlhttp=new ActiveXObject("TimwpDll.TimwpCheck");
return true;
}
catch(e){//不支持
location.href='http://is.qq.com/webpresence/up_alarm.shtml';
//window.open('http://is.qq.com/webpresence/up_alarm.htm','','toolbar=no,location=no,directories=no,status=no,menubar=no, scrollbars=yes,resizable=no,copyhistory=no,width=410, height=410,top=0,left=0')
return false;
}
return false;
}

function IsInstallSupMiniQQ() {

try{//支持
var xmlhttp=new ActiveXObject("TimwpDll.TimwpCheck");
var n = xmlhttp.GetVersion();
if (n < 2.1) {
location.href='http://is.qq.com/up_alarm.shtml';
return false;
}
return true;
}
catch(e){//不支持
location.href='http://is.qq.com/up_alarm.shtml';
return false;
}
return false;
}

<script language="javascript">
var boolFals=IsInstallQQ();
if(boolFals==true) {
location.href='Tencent://Message/?Menu=yes&Uin=41411118&websiteName=www.xmlhome.net';setTimeout('window.close()', 1 )
};
</script>