function change_psw(session) {
			var sirka = 400;
			var vyska = 140;			
			var wX = (screen.width-sirka)/2;
			var wY = (screen.height-vyska)/2;
		window.open("new_psw.php?"+session,"","status=0,location=0,toolbar=0,scrollbars=0,resizable=0,width="+sirka+",height="+vyska+",left="+wX+",top="+wY);
	}