// JavaScript Document
function wow(url, x, y){
	var win = launchCenter(url, 'center', x, y);
}

function launchCenter(url, name, height, width) {
	var str = "scrollbars,";
	
	str += "height=" + height + ",innerHeight=" + height;
	str += ",width=" + width + ",innerWidth=" + width;
	
	if (window.screen){
		var ah = screen.availHeight - 30;
		var aw = screen.availWidth - 10;
		
		var xc = (aw - width) / 2;
		var yc = (ah - height) / 2;
		
		str += ",left=" + xc + ",screenX=" + xc;
		str += ",top=" + yc + ",screenY=" + yc;
	}
	
	return window.open(url, name, str);
}

// add by Duong for poll
var pid;
function pollid(a){
	pid = a;
}