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 = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		alert_top_over = newImage("images/alert_top-over.gif");
		tracker_top_over = newImage("images/tracker_top-over.gif");
		app_top_over = newImage("images/app_top-over.gif");
		contact_top_over = newImage("images/contact_top-over.gif");
		home_over = newImage("images/home-over.gif");
		rates_over = newImage("images/rates-over.gif");
		calc_over = newImage("images/calc-over.gif");
		consulting_over = newImage("images/consulting-over.gif");
		market_over = newImage("images/market-over.gif");
		prequal_over = newImage("images/prequal-over.gif");
		alert_over = newImage("images/alert-over.gif");
		app_over = newImage("images/app-over.gif");
		realestate_over = newImage("images/realestate-over.gif");
		insurance_over = newImage("images/insurance-over.gif");
		tracker_over = newImage("images/tracker-over.gif");
		mtg_over = newImage("images/mtg-over.gif");
		glossary_over = newImage("images/glossary-over.gif");
		why_over = newImage("images/why-over.gif");
		newsletter_over = newImage("images/newsletter-over.gif");
		about_over = newImage("images/about-over.gif");
		contact_over = newImage("images/contact-over.gif");
		preloadFlag = true;
	}
}

<!--
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];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.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];}
}
//-->