function poll_onsubmit()
{
	{
		var found_it //initial value is null because we gave it no other value
		for (var i=0; i<document.poll1.poll.length; i++)  
		{ 
			if (document.poll1.poll[i].checked)
			{
				found_it = document.poll1.poll[i].value //set found_it equal to checked button's value
			} 
		}
		if(!found_it)
		{ //if found_it is equal to false or null, a button has NOT been checked
			alert("Please Select Your Poll Response !")
			return false;
		}
	}
	document.getElementById('poll1').submit();
}