if(document.getElementById("poll_vote"))
{
document.getElementById("poll_vote").onclick=pollCheckForm;
}

function pollCheckForm()
{
var selected=0;
var contentsObject=document.getElementById("ig_poll");
	for(var child = contentsObject.firstChild; child; child = child.nextSibling)
	{
		if(child.tagName=='INPUT' && child.type=="radio")
		{
			if(child.checked)
			{
			selected=1;
			break;
			}
		}
	}
	if(!selected)
	{
	alert(strAlertSelect);
	return false;
	}
return true;
}