addLoadEvent(function(){
   bindEvent(getid('zhizhuzhuaqu'),'click',zhizhuzhuaqu);
});
function zhizhuzhuaqu()
{
    var domain=getid('domain').value;
    var url=parserurl;
    if (!isurl(domain))
    {
        alert('请输入您要抓取的地址');
    }
    else
    {
    fdata='domain='+domain;
    postdata(url,fdata,'re');
    }
}