function OpenEditWindow (strLang, strPage)
{
	leftVal = (screen.width - 800) / 2;
	topVal = (screen.height - 540) / 2;
	window.open ('edit.php?l=' + strLang + '&p=' + strPage ,'editwin','status=0,toolbar=0,resizable=1,width=800,height=540,top=' + topVal + ',left=' + leftVal);
}