function openPopupEx(address, width, height)
{
	var width_c;
	var height_c;
	var dX = 10;
	var dY = 30;
	
	width_s = window.screen.availWidth - dX;
	height_s = window.screen.availHeight - dY;

	var top_r = "top=" + (height_s - height)/2 + ",";
	var left_r = "left=" + (width_s - width)/2 ;
	var sb="scrollbars=no, ";

	if (width > width_s)
	{
		width=width_s;
		height=height+22;
		left_r = "left=0";
		sb="scrollbars=yes, ";
	}

	if (height > height_s)
	{
		height=height_s;
		width=width+22;
		top_r = "top=0,";
		sb="scrollbars=yes, ";
	}
	if (width > width_s)
	{
		width=width_s;
	}
	if (height > height_s)
	{
		height=height_s;
	}
	height=height+20;
	window.open(address, '_blank', 'menubar=no,toolbar=no,location=no,status=no,directories=no,resizable=0,'+sb+'width='+width+',height='+height+','+top_r+left_r);
}