//javascript for dropdown image rollovers
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_preloadImages() { //v3.0
 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
   var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
   if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

<!-- javascript for nav rollovers //-->
<!-- hide from JavaScript-challenged browsers
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = "/" + arg;
		return rslt;
	}
}
function changeImages() {
  if (document.images && (preloadFlag == true)) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}
var preloadFlag = false;
function preloadImages() {
	if (document.images) {
    image15on = newImage("images/home/top_link_stanford_f2.gif");
	image15off = newImage("images/home/top_link_stanford.gif");
	image16on = newImage("images/home/top_link_lucile_f2.gif");
	image16off = newImage("images/home/top_link_lucile.gif");
	image17on = newImage("images/home/top_link_cancerCenter_f2.gif");
	image17off = newImage("images/home/top_link_cancerCenter.gif");
    image1on = newImage("images/home/nav_home_f2.gif");
	image1off = newImage("images/home/nav_home.gif");
	image2on = newImage("images/home/nav_about_f2.gif");
	image2off = newImage("images/home/nav_about.gif");
	image3on = newImage("images/home/nav_contact_f2.gif");
	image3off = newImage("images/home/nav_contact.gif");
	image4on = newImage("images/home/nav_gift_f2.gif");
	image4off = newImage("images/home/nav_gift.gif");
	image5on = newImage("images/home/nav_index_f2.gif");
	image5off = newImage("images/home/nav_index.gif");
	image6on = newImage("images/home/nav_search_f2.gif");
	image6off = newImage("images/home/nav_search.gif");
	preloadFlag = true;
	}
}

preloadImages();
// done hiding -->