var newWindow = null;
function openWindow(loadpos)
{       
        if (! newWindow || newWindow.closed)
        {
        newWindow = window.open(loadpos,"surveywin","toolbar=no,resizable=no,scrollbars=no,dependent,width=490,height=290");
        }else
        {
                newWindow.focus();
        }
}
function voteSur()
{
	var i=0;
	var fd;
	var tmp="false";
	while(eval("fd=document.frmSurvey.raSurvey["+i+"]"))
	{
		if(fd.checked==true)
		{tmp="true";
		break;}
		i++;
	}
	if(tmp=="false")
	{
		alert("请先在“民意调查”中选择您认为合适的选项，然后再来投票。");
	}
	else
	{
		openWindow("");
		document.frmSurvey.submit();
	}
}
function viewSur()
{
	//document.frmSurvey.raSurvey.value=0;
	var i=0;
	var fd;
	while(eval("fd=document.frmSurvey.raSurvey["+i+"]"))
	{
		fd.checked=false;
		i++;
	}
	openWindow("SurveyResult.jsp");
	document.frmSurvey.submit();
}