function checkData_ResearchForm(theform)
{
	var bselected = false;
	for (var i=0;i<theform.length;i++)
	{
		if (theform[i].id != null && theform[i].id != "" && theform[i].id.substring(0,9) == "DC_Radio_")
		{
			if (theform[i].checked)
			{
				bselected = true;
			}
		}
	}
	if (!bselected)
	{
		alert("请选择你最肯定的一种答案！");
		return false;
	}
	else
	{
		return true;
	}
}
var cookieString=document.cookie;
var start=cookieString.indexOf("cookiesleep");
if(start!=-1){}else{var expires=new Date();
expires.setTime(expires.getTime()+24*60*60*1000);
document.cookie="cookiesleep=test;expires="+expires.toGMTString();}