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 highlight(navIndex){
for(var i = 1; i <= 5; i++) {
 navItemObject = document.getElementById("subNav" + i);

 if(i == navIndex) {
  if(i == 1 || i == 5){	//have no sub nav
   if(navItemObject.className != "subnavHighlightedClassNoSubnav")
    navItemObject.className = "subnavHighlightedClassNoSubnav";
   }
  else
   if(navItemObject.className != "subnavHighlightedClass")
    navItemObject.className = "subnavHighlightedClass";

  if(i == 1) {
   if(document.getElementById("topNavDivider" + i).className != "topNavDividerOnRight")
    document.getElementById("topNavDivider" + i).className = "topNavDividerOnRight";
   }
  else if(i == 5) {
   if(document.getElementById("topNavDivider" + (i-1)).className != "topNavDividerOnLeft")
    document.getElementById("topNavDivider" + (i-1)).className = "topNavDividerOnLeft";
   }
  else {
   if(document.getElementById("topNavDivider" + i).className != "topNavDividerOnRight")
    document.getElementById("topNavDivider" + i).className = "topNavDividerOnRight";
   if(document.getElementById("topNavDivider" + (i-1)).className != "topNavDividerOnLeft")
    document.getElementById("topNavDivider" + (i-1)).className = "topNavDividerOnLeft";
   }

  //change background color of top navigation
  if(document.getElementById("topnav" + i).className != "topNavHighlighted")
   document.getElementById("topnav" + i).className = "topNavHighlighted";
  }	//end if matched selected index
 else {
  if(i < 5)	//turn off any "left" divider, except for right-most nav
   if(document.getElementById("topNavDivider" + i).className != "topNavDividerOff")
    document.getElementById("topNavDivider" + i).className = "topNavDividerOff";

  if(navItemObject.className != "subnavOffClass")
   navItemObject.className = "subnavOffClass";

  //change background color of top navigation
  if(document.getElementById("topnav" + i).className != "topNavItem")
   document.getElementById("topnav" + i).className = "topNavItem";
  }	// end else not matched selected index
 }	//foreach one of the navigation items
}	//end function