var newWin;

function openUp(windowURL, windowWidth, windowHeight) {
  var topPos = "";
  var leftPos = "";
  var newWin;

  if(!windowWidth) windowWidth = 0;
  if(!windowHeight) windowHeight = 0;
  if(windowWidth == 0){
    if(screen){
      windowWidth = screen.availWidth -10;
    }
    else{
      windowWidth = 790;
    }
    leftPos = ",left=0";
  }
  if(windowHeight == 0){
    if(screen){
      windowHeight = screen.availHeight -30;
    }
    else{
      windowHeight = 790;
    }
    topPos = ",top=0";
  }


  newWin = window.open(windowURL,"benchmark","toolbar=no,menubar=0,width="+windowWidth+",height="+windowHeight+topPos+leftPos+",scrollbars=no,resizable=no");
}