function get(obj) 
{
	cnt = document.getElementById('cnt').value;
	pststr = "";
	for(i=1;i<=cnt;i++)
	{
		ans = document.getElementById('pollcnt'+i);
		if(ans.checked)
		{
			pststr += "&poll_ans[]="+ans.value;
		}
	}

var poststr = "poll_id=" + encodeURI( document.getElementById("poll_id").value ) +
"&poll=" + encodeURI( document.getElementById("poll").value + pststr);

makePOSTRequest('poll.php', poststr,'myspan');
}