function validatepoll()
{
	var err="";
	var checked=0;
	var option_id=0;
	for(i=0;i<document.formpoll.length;i++)
	{
	  if(document.formpoll[i].name=='clspoll_poll_option')	
	  {
		if(document.formpoll[i].checked==true)
		{
			option_id=document.formpoll[i].value;
			checked=1;
			break;
		}
	  }	
	}
	if (checked==0)	err+="You must select atleast one option.\n";
	if(err!="")
	{
		alert(err);
	}
	else
	{
		var poll_id=document.formpoll.clspoll_pollid.value;
		//var option_id=document.formmain.clspoll_poll_option.value;
		poll_result(poll_id,option_id);
		//tellafriend('');
	}
}