function IsInstallQQ(){
try{
var xmlhttp=new ActiveXObject("TimwpDll.TimwpCheck");
return true;
}catch(e){
alert('启动QQ失败');
return false;
}
return false;
}

function OpenQQ(n){
if(IsInstallQQ()==true){ 
location.href='Tencent://Message/?menu=yes&exe=&uin=' + n + '&websiteName=盛大分红系统&info=';
};
}