function window_new( item, x, y, title )
{
 var thisWindow;
 thisWindow = window.open(item,title,"width="+x+",height="+y+",scrollbars=no,screenX=0,screenY=0,toolbar=no,location=no,menubar=no");
 thisWindow.moveTo((screen.width-x)/2,(screen.height-y)/3);
  thisWindow.window.focus();
}