<!-- Script for vote india -->

function chkrad() // to check user click on radio button or not  
{
    var i;
    var flag='0'
    var poll_id=document.getElementById("poll_id").value;
    //var chk=document.getElementById("chk").value;
    //alert(chk);
    if(!(document.frm1.chk.length)) // if only one record (chk.length returns 									undefined if onle one record is there)
    {
        if(document.frm1.chk.checked == true)
        {
                flag='1'
        }
    }
    for(i=0;i<document.frm1.chk.length;i++)
    {
        if(document.frm1.chk[i].checked == true)
        {
                chk = document.frm1.chk[i].value;
                flag='1'
        }
    }
    if(flag=='0')
    {
        alert("Please select atleast one option");
        return false;
    }
    var openloc= "http://www.headlinesindia.com/poll.jsp?chk="+chk+"&id="+poll_id 
    window.open(openloc,'mywindow1','width=350,height=300 left=600,top=10');
}	

<!-- end of Script for vote india -->