home_on = new Image();
	home_on.src = "/images/nav_home-on.gif";
	home_off = new Image();
	home_off.src = "/images/nav_home-off.gif";
	
	utilityvision_on = new Image();
	utilityvision_on.src = "/images/nav_utilityvision-on.gif";
	utilityvision_off = new Image();
	utilityvision_off.src = "/images/nav_utilityvision-off.gif";
	
	contact_us_on = new Image();
	contact_us_on.src = "/images/nav_contact_us-on.gif";
	contact_us_off = new Image();
	contact_us_off.src = "/images/nav_contact_us-off.gif";

	about_us_on = new Image();
	about_us_on.src = "/images/nav_about_us-on.gif";
	about_us_off = new Image();
	about_us_off.src = "/images/nav_about_us-off.gif";
	
	our_solutions_on = new Image();
	our_solutions_on.src = "/images/nav_our_solutions-on.gif";
	our_solutions_off = new Image();
	our_solutions_off.src = "/images/nav_our_solutions-off.gif";
	
	our_customers_on = new Image();
	our_customers_on.src = "/images/nav_our_customers-on.gif";
	our_customers_off = new Image();
	our_customers_off.src = "/images/nav_our_customers-off.gif";

	energy_efficiency_on = new Image();
	energy_efficiency_on.src = "/images/nav_energy_efficiency-on.gif";
	energy_efficiency_off = new Image();
	energy_efficiency_off.src = "/images/nav_energy_efficiency-off.gif";

	case_studies_on = new Image();
	case_studies_on.src = "/images/nav_case_studies-on.gif";
	case_studies_off = new Image();
	case_studies_off.src = "/images/nav_case_studies-off.gif";

	renewable_energy_on = new Image();
	renewable_energy_on.src = "/images/nav_renewable_energy-on.gif";
	renewable_energy_off = new Image();
	renewable_energy_off.src = "/images/nav_renewable_energy-off.gif";

	news_room_on = new Image();
	news_room_on.src = "/images/nav_news_room-on.gif";
	news_room_off = new Image();
	news_room_off.src = "/images/nav_news_room-off.gif";
	
function highlight(x) {
	if ((document.layers) || (document.all)) { 
	if (!document.images[x]) return;
     document.images[x].src = '/images/nav_'+x+'-on.gif';
    }
}	

function imgOn(imgName) {
	document[imgName].src = eval(imgName + "_on.src");
}

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

/***************************************************************
November 2, 2005 - Diana Moreland (MRLD)
Note: These functions are no longer used when the new header 
for Chevron was added. If you delete, you must delete the call to them
in all of the pages.
****************************************************************/
function MM_findObj(n, d) { //v4.01
  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 && d.getElementById) x=d.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];}
}
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_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];}}
}