var popUpWin=0;

function popUpWindow(width, height, URLStr)
  {
    if (typeof(SymRealWinOpen)!="undefined")
        window.open = SymRealWinOpen;

    var left = (screen.width/2) - width/2;
    var top = (screen.height/2) - height/2;
    if(popUpWin)
      {
        if(!popUpWin.closed) popUpWin.close();
      }
    popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
    if (popUpWin==null)
        ; //alert("Please enable popups for this site");
    else
        popUpWin.focus()
  }

function popUpWindowFlexible(width, height, URLStr)
  {
    if (typeof(SymRealWinOpen)!="undefined")
        window.open = SymRealWinOpen;

    var left = (screen.width/2) - width/2;
    var top = (screen.height/2) - height/2;
    if(popUpWin)
      {
        if(!popUpWin.closed) popUpWin.close();
      }
    popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=Yes,menubar=no,scrollbars=Yes,resizable=Yes,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
    if (popUpWin==null)
        ; //alert("Please enable popups for this site");
    else
        popUpWin.focus()
  }

function showVideo(videoName)  
  {
	popUpWindow(320, 276, "video.php?video=" + videoName)
  }
  
function zeroBlank(me)
  {
	if (me.value==0)
	   me.value = '';
  }
  
function cartOver(me, PartNo)
  {
    var name = "quantity_" + PartNo;
    if (me.form[name].value==0)
      {
        me.form[name].value = '1';
        saveCartOver = true;
      }
    else
        saveCartOver = false;

  }

function cartOut(me, PartNo)
  {
    if (saveCartOver)
      {
        var name = "quantity_" + PartNo;
        me.form[name].value = 0;
      }
  }