var hostdomain= GetDomain();
function downloadadd(id) {
	if(hostdomain.toLowerCase()=='qq.com'){
		var url = 'http://web.qqhx.qq.com/Download.ashx?CID=' + id + '&rid=' + new Date().getTime() + Math.random();
	}else
		{
		}
    var url = 'http://pv.'+hostdomain+'/Download.ashx?CID=' + id + '&rid=' + new Date().getTime() + Math.random();
    var img = new Image();
    img.src = url;
    img.style.width = 0;
    img.style.heigth = 0;
}
function GetDomain() {
    var domain = document.domain;
    var arydomain = new Array('.com', '.com.cn', '.cn')
    var tmpdomain = "";
    for (var i = 0; i < arydomain.length; i++) {
        tmpdomain = arydomain[i];
        if (domain.lastIndexOf(tmpdomain) != -1) {
            domain = domain.replace(tmpdomain, "");
            domain = domain.substring(domain.lastIndexOf(".") + 1, domain.length);
            domain = domain + tmpdomain;
            break;
        }
    }
    return domain;
}