function MM_preloadImages() { //v2.0
  if (document.images) {
    var imgFiles = MM_preloadImages.arguments;
    if (document.preloadArray==null) document.preloadArray = new Array();
    var i = document.preloadArray.length;
    with (document) for (var j=0; j<imgFiles.length; j++) if (imgFiles[j].charAt(0)!="#"){
      preloadArray[i] = new Image;
      preloadArray[i++].src = imgFiles[j];
  } }
}

function hiLite(imgObjName) {
	if (browserVer >= 3) {
		document.images[imgObjName].src = eval(imgObjName + "_on" + ".src")
	}
}

function unhiLite(imgObjName) {
	if (browserVer >= 3) {
		document.images[imgObjName].src = eval(imgObjName + ".src")
	}
}

function imgOn(imgName) {

if (document.images) {
document[imgName].src = eval(imgName + "on.src");
}
}

function imgOff(imgName) {
if (document.images) {
document[imgName].src = eval(imgName + "off.src");
}
}

<!--// preload images for rollovers
				if (document.images)
					{
					home_navoff = new Image();
					aboutus_navoff = new Image();
					team_navoff = new Image();
					selectedinvestment_navoff = new Image();
					contactus_navoff = new Image();

					home_navoff.src = "images/nav_OFF_home.gif";
					aboutus_navoff.src = "images/nav_OFF_aboutus.gif";
					team_navoff.src = "images/nav_OFF_team.gif";
					selectedinvestment_navoff.src = "images/nav_OFF_selectedinvestments.gif";
					contactus_navoff.src = "images/nav_OFF_contactus.gif";

					home_navon = new Image();
					aboutus_navon = new Image();
					team_navon = new Image();
					selectedinvestment_navon = new Image();
					contactus_navon = new Image();

					home_navon.src = "images/nav_ON_home.gif";
					aboutus_navon.src = "images/nav_ON_aboutus.gif";
					team_navon.src = "images/nav_ON_team.gif";
					selectedinvestment_navon.src = "images/nav_ON_selectedinvestments.gif";
					contactus_navon.src = "images/nav_ON_contactus.gif";
				}
//-->