if (document.images) {

  NavimageOn = new Image();
  NavimageOn.src = "partridge_nav/over.gif";
  NavimageOff = new Image();
  NavimageOff.src = "partridge_nav/on.gif";

  BuyimageOn = new Image();
  BuyimageOn.src = "images/slice5.gif";
  BuyimageOff = new Image();
  BuyimageOff.src = "images/slice4.gif";

  ContimageOn = new Image();
  ContimageOn.src = "images/slice7.gif";
  ContimageOff = new Image();
  ContimageOff.src = "images/slice6.gif";
  
  SmContimageOn = new Image();
  SmContimageOn.src = "images/pen_over.gif";
  SmContimageOff = new Image();
  SmContimageOff.src = "images/pen_on.gif";

  ArrowimageOn = new Image();
  ArrowimageOn.src = "images/up_over.gif";
  ArrowimageOff = new Image();
  ArrowimageOff.src = "images/up.gif";
  
  RoutimageOn = new Image();
  RoutimageOn.src = "images/rout_over.gif";
  RoutimageOff = new Image();
  RoutimageOff.src = "images/rout_on.gif";

}

function swap(imageName,swapimage) {
  if (document.images) {
    document[imageName].src =
      eval(swapimage + '.src');
  }
}



function pdfWin(all) {
pdfWindow = window.open(all, 'pdfWin', "resizable=1,scrollbars=1,width=400,height=400,left=0,top=0");
pdfWindow.focus()
}

function newWin(all) {
newWindow = window.open(all, 'newWin', "status=1,menubar=1,resizable=1,toolbar=1,location=1,scrollbars=1,width=760,height=400,left=0,top=0");
newWindow.focus()
}