var preloaded = [];

$(document).ready(function() {
 var a = 0;
 $('.staff_detail_thumbs a').each(function() {  
  a++;
  var i = new Image();
  i.src = $(this).attr('href');
  preloaded[a] = i;
 });
});

function switchImage(imgName, imgSrc)
{
  if (document.images)
  {
    if (imgSrc != "none")
    {
      document.images[imgName].src = imgSrc;
    }
  }
}

function popUp(url,name,width,height,scroll) {
var newheight = parseInt(height) + 20;
var newwidth = parseInt(width)+ 20;
window.open(url,name,"toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars="+scroll+",resizable=0,width="+ newwidth +",height="+ newheight);
}