//preloads images  
isLoaded=false;
var currentSection="";
//var sections = new Array('home', 'company','services','support','equiptment', 'government', 'partners','download','locations', 'contact');
var sections = new Array('home', 'services','pricing','contact', 'upload');
if(document.images) {
 Nav_A = new Array();
 Nav_B = new Array();
 for(j=0; j<sections.length; j++) { 
 	Nav_A[sections[j]] = new Image();
   	Nav_B[sections[j]] = new Image();
  	Nav_A[sections[j]].src = "images/" + sections[j] + "-off.gif";
   	Nav_B[sections[j]].src = "images/" + sections[j] + "-on.gif";
 }
 isLoaded=true;
}

//#############################################
// image rollover
function imgOn(name)
{ 
if(document.images && isLoaded)  {
	document.images[name].src = Nav_B[name].src;
	}
 }

//#############################################
// image rollout - checks to see if image is 'visited' image, sets mode accordingly.
function imgOff(name){ 
	if(document.images && isLoaded){
  		if(name != currentSection) {
			document.images[name].src = Nav_A[name].src;
		}
  	}
}

function setNavBar(thisSection)	{
	document.images[thisSection].src="images/" + thisSection + "-on.gif";
	currentSection = thisSection;
}