/*
Copyright (c) 2007-2008 Olaf Gramkow. All rights reserved.
These functions are NOT freeware.
*/

function openPopup(url, name, params)
{
	var centerX = screen.availWidth / 2;
	var centerY = screen.availHeight / 2;
	var array = params.split(',');
	
	for (var i = 0; i < array.length; i++)
	{
		if (array[i].indexOf("width") != -1)
		{
			var array2 = array[i].split('=');
			centerX = centerX - array2[1] / 2;
		}

		if (array[i].indexOf("height") != -1)
		{
			var array2 = array[i].split('=');
			centerY = centerY - array2[1] / 2;
		}
	}
	
	params += ",left=" + centerX + ",top=" + centerY;
	var pWindow = open(url, name, params).focus();
}