function unCheckbox(obj, text, n){
		var temp_name = 'un_checkbox_warning' + n;
		var warning_div = document.getElementById(temp_name);
		if(warning_div == null){
			var width=250;
			var tmp = getAbsolutePos(obj);
			var top = tmp.y + obj.offsetHeight+2;
			var left = tmp.x+ obj.offsetWidth+2;
			var lineup = document.createElement("DIV");
			var close_btn = '<div style="text-align: right"><a href="#" onclick="javascript: CloseWindow(\'' + temp_name + '\'); return false;"><img src="/templates/pilot_2_theme/images/close1.gif" border="0" /></a></div>';
			lineup.id = temp_name;
			lineup.className = "div_warning";
			lineup.style.width = width+"px";
			lineup.style.position = "absolute";
			lineup.style.top = top+"px";
			lineup.style.left = left+"px";
			lineup.innerHTML = close_btn+text;
			document.body.appendChild(lineup);
		}else{
			warning_div.style.display = 'block';
		}
		obj.checked = false;
		setTimeout("CloseWindow('" + temp_name + "');", 8000);
}

function CloseWindow(div){
	document.getElementById(div).style.display = 'none';
}

function getAbsolutePos(el) {
	var r = { x: el.offsetLeft, y: el.offsetTop };
	if (el.offsetParent) {
		var tmp = getAbsolutePos(el.offsetParent);
		r.x += tmp.x;
		r.y += tmp.y;
	}
	return r;
}