function mdfPPPWinCen(argFileName,argWindowName,argWidth,argHeight)
  {
  	var lvProperties = "width=" + argWidth + ",height=" + argHeight + ",resizable=0,scrollbars=1"
		pppWin = window.open(argFileName,argWindowName,lvProperties);

  	var lvAnchorX = (screen.availWidth  / 2) + (screen.width  - screen.availWidth ) + (argWidth / 2)
  	var lvAnchorY = (screen.availHeight / 2) + (screen.height - screen.availHeight) + (argHeight / 2)
		pppWin.moveTo(screen.width-lvAnchorX,screen.height-lvAnchorY);
		pppWin.focus();
  }