function MM_reloadPage(init) { //reloads the window if Nav4 resized
 if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
  document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
 else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

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_nbGroup(event, grpName) { //v3.0
 var i,img,nbArr,args=MM_nbGroup.arguments;
 if (event == "init" && args.length > 2) {
  if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
   img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
   if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
   nbArr[nbArr.length] = img;
   for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
 if (!img.MM_up) img.MM_up = img.src;
 img.src = img.MM_dn = args[i+1];
 nbArr[nbArr.length] = img;
  } }
 } else if (event == "over") {
  document.MM_nbOver = nbArr = new Array();
  for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
   if (!img.MM_up) img.MM_up = img.src;
   img.src = (img.MM_dn && args[i+2]) ? args[i+2] : args[i+1];
   nbArr[nbArr.length] = img;
  }
 } else if (event == "out" ) {
  for (i=0; i < document.MM_nbOver.length; i++) {
   img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
 } else if (event == "down") {
  if ((nbArr = document[grpName]) != null)
   for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
  document[grpName] = nbArr = new Array();
  for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
   if (!img.MM_up) img.MM_up = img.src;
   img.src = img.MM_dn = args[i+1];
   nbArr[nbArr.length] = img;
 } }
}

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_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];}
}

// ################# THIS FIXES GECKO DIV PLACEMENT
if (navigator.family == "gecko"){
for (x=1;x<6;x++) 
	{document.getElementById("tab"+x).style.left = 120; }
}

//  ############## SIMPLE BROWSER SNIFFER
if (document.layers) {navigator.family = "nn4"}
if (document.all) {navigator.family = "ie4"}
if (window.navigator.userAgent.toLowerCase().match(/gecko/)) {navigator.family = "gecko"}
if (window.navigator.userAgent.toLowerCase().indexOf('opera') != -1) {navigator.family	= 'opera';}
toplevel="4";

function riseup (box) {
toplevel++;
if (navigator.family == "ie4")
	{document.all[box].style.zIndex = toplevel;}
if (navigator.family == "opera" || navigator.family == "gecko")
 	{document.getElementById(box).style.zIndex = toplevel;}
}

<!-- navigation piece start -->
function heShowSubNav(id) {
    var obj = document.getElementById(id);
    if (currentlyOpenedSubnav) {
        currentlyOpenedSubnav.style.display = "none";
    }
    if (obj) {
        obj.style.display = "";
        currentlyOpenedSubnav = obj;
    } else {
        obj = document.getElementById("subnav_blank");
        if (obj) {
            obj.style.display = "";
            currentlyOpenedSubnav = obj;
        }
    }
}
function heSetImageOn(id) {
    var img = document.getElementById(id);
    if (img) {
        img.src = img.src.replace(/_off.jpg$/, "_on.jpg");
    }
}
// highlight nav and show subnav depending on page
var page = document.location.pathname;
switch (page) {
case "/":
    heSetImageOn("nav_home");
break;

case "/jobopps.asp":
case "/opportunities.asp":
case "/contractjobopps.asp":
case "/contractopps.asp":
case "/permjobopps.asp":
case "/permanentopps.asp":
case "/retainedopps.asp":
case "/healthcare.asp":
case "/remoteopps.asp":
    heSetImageOn("nav_opportunities");
break;

case "/consulting.html":
case "/clientsvc.html":
case "/othersvc.html":
    heSetImageOn("nav_services");
break;

case "/cache.html":
case "/mumps.html":
case "/meditech.html":
case "/idx.html":
case "/epic.html":
case "/va-vista.html":
case "/antrim-sunquest.html":
    heSetImageOn("nav_technology");
break;

case "/aboutus.html":
    heSetImageOn("nav_about");
break;

case "/come_work_with_us.html":
case "/come_work_for_us.html":
    heSetImageOn("nav_come");
break;

}
var currentlyOpenedSubnav = document.getElementById("subnav_blank");
<!-- navigation piece end -->