//定时读取信息，读取信息后等待3秒============================================================================

var oScript=null;

var timeAsk=0;
function ask()
{
    //防止访问ask.aspx出现异常而加的保险
    clearTimeout(timeAsk);
    
    oScript = document.getElementById("oScript");
    if(oScript){
        timeAsk = setTimeout("ask()",1000 * 1 );
        
        var s = document.getElementsByTagName("script")[0];
        s.parentNode.removeChild(oScript);
    }
    else
    {
        timeAsk = setTimeout("ask()",1000 * 2 );
    
        oScript = document.createElement("script"); 
        oScript.setAttribute("ID","oScript");
        oScript.type = "text/javascript"; 
        oScript.src = "//www.myqgt.cn/js/ask.aspx?Rand="+Math.random();
        var s = document.getElementsByTagName("script")[0];
        s.parentNode.appendChild(oScript);
    }
}

timeAsk = setTimeout("ask()",1000 * 3);//第一次5秒以后启动，1000为1秒钟，