var xh = window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
function InvestigateSend(id)
{
    var m = document.getElementsByName("I_CX");
    var ischeck = false;
    var selectid;
    for (var i=0; i<m.length; i++)
    {
        if (m[i].checked)
        {
            selectid = m[i].value;
            ischeck = true;
            break;
        }
    }
    if (!ischeck)
    {
        alert("请先选择一个答案!");
        return;
    }
    xh.open("POST","/ASHX/InvestigateSend.ashx",false);
	xh.send(selectid + "|" + id);
	alert(xh.responseText);
}