function openpp(width,height){
	popup= window.open("popup.php?width="+width+"&height="+height,"popupwindow","location=no,status=no,width="+width+",height="+height);
	var left   = ((screen.width  - width)/2)-(width/2);
 	var top    = ((screen.height - height)/2)-(height/2);
	popup.moveTo(left,top);
}