function sesame(cont,tag,w,h,s)
{
if (s == "") s = "yes";
	if (w<=screen.width)
//		var v_left = (screen.width-w)/2;
		var v_left = (screen.width-w)/4;
	else 
		var v_left = 0;
	if (h<=screen.height)
//		var v_top = (screen.height-h)/2;
		var v_top = (screen.height-h)/4;
	else 
		var v_top = 0;
	var windowprops = "dependant=no,location=no,menubar=no,resizable=yes,scrollbars= "+ s + ",status=no,toolbar=no,width=" + w + ",height=" + h +",left=" + v_left + ",top=" + v_top;
    pleaze = window.open(cont,tag,windowprops);
    pleaze.focus();
}