// JavaScript Document


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];}}
}



if (document.images)
{
	
	// home nav
	company_hm_on	= new Image(100,19);
	company_hm_on.src = "images/btn_hm_company_on.gif";
	company_hm_off	= new Image(100,19);
	company_hm_off.src = "images/btn_hm_company_off.gif";
	services_hm_off	= new Image(100,19);
	services_hm_off.src = "images/btn_hm_services_off.gif";
	services_hm_on	= new Image(100,19);
	services_hm_on.src = "images/btn_hm_services_on.gif";
	markets_hm_off	= new Image(100,19);
	markets_hm_off.src = "images/btn_hm_markets_off.gif";
	markets_hm_on = new Image(100,19);
	markets_hm_on.src = "images/btn_hm_markets_on.gif";
	equipment_hm_off	= new Image(100,19);
	equipment_hm_off.src = "images/btn_hm_equipment_off.gif";
	equipment_hm_on = new Image(100,19);
	equipment_hm_on.src = "images/btn_hm_equipment_on.gif";
	
	// inner nav
	company_on	= new Image(100,19);
	company_on.src = "../images/btn_company_on.gif";
	company_off	= new Image(100,19);
	company_off.src = "../images/btn_company_off.gif";
	services_off	= new Image(100,19);
	services_off.src = "../images/btn_services_off.gif";
	services_on	= new Image(100,19);
	services_on.src = "../images/btn_services_on.gif";
	markets_off	= new Image(100,19);
	markets_off.src = "../images/btn_markets_off.gif";
	markets_on = new Image(100,19);
	markets_on.src = "../images/btn_markets_on.gif";
	equipment_off	= new Image(100,19);
	equipment_off.src = "../images/btn_equipment_off.gif";
	equipment_on = new Image(100,19);
	equipment_on.src = "../images/btn_equipment_on.gif";
}

function changeImage(picName,imgName)
{
	
	if (document.images)
    {
    	imgOn = eval (imgName + ".src");
    	document[picName].src = imgOn;
	}
}

/*
function changeImage(imgName, fileName)
{
var PreLoadImg = new Image();
PreLoadImg.src = fileName;

var imgObj = eval("document." + imgName);

imgObj.src = fileName;



} 
*/

// NAV MENU FUNCTIONS
var cm=null;

function show(el,m) {
        var menuID = document.getElementById(m);
		if (menuID) {
                menuID.style.display='';
          //      menuID.style.pixelLeft = getPos(el,"Left")
          //      menuID.style.pixelTop = getPos(el,"Top") + el.offsetHeight
        }
        if ((menuID!=cm) && (cm)) cm.style.display='none'
        cm=menuID
}

function navSelectHm(navHmVar) {

if(navHmVar == "company") {
	changeImage('btn_company', 'company_hm_on'); 

	document.tri_company.src = "images/tri_nav.gif";
	document.tri_services.src = "images/tri_nav_off.gif";
	document.tri_markets.src = "images/tri_nav_off.gif";
	document.tri_equipment.src = "images/tri_nav_off.gif";
	
	show(this,'subnav_company');
}

if(navHmVar == "equipment") {
	changeImage('btn_equipment', 'equipment_hm_on'); 
	
	document.tri_company.src = "images/tri_nav_off.gif";
	document.tri_services.src = "images/tri_nav_off.gif";
	document.tri_markets.src = "images/tri_nav_off.gif";
	document.tri_equipment.src = "images/tri_nav.gif";
	
	show(this,'subnav_equipment');	
}

if(navHmVar == "services") {
	changeImage('btn_services', 'services_hm_on');

	document.tri_company.src = "images/tri_nav_off.gif";
	document.tri_services.src = "images/tri_nav.gif";
	document.tri_markets.src = "images/tri_nav_off.gif";
	document.tri_equipment.src = "images/tri_nav_off.gif";

	show(this,'subnav_services');
}

if(navHmVar == "markets") {
	changeImage('btn_markets', 'markets_hm_on');

	document.tri_company.src = "images/tri_nav_off.gif";
	document.tri_services.src = "images/tri_nav_off.gif";
	document.tri_markets.src = "images/tri_nav.gif";
	document.tri_equipment.src = "images/tri_nav_off.gif";

	show(this,'subnav_markets');

}

}


function navSelect(navVar) {

if(navVar == "company") {
	changeImage('btn_company', 'company_on'); 

	document.tri_company.src = "../images/tri_nav.gif";
	document.tri_services.src = "../images/tri_nav_off.gif";
	document.tri_markets.src = "../images/tri_nav_off.gif";
	document.tri_equipment.src = "../images/tri_nav_off.gif";
	
	show(this,'subnav_company');
}

if(navVar == "equipment") {
	changeImage('btn_equipment', 'equipment_on'); 
	
	document.tri_company.src = "../images/tri_nav_off.gif";
	document.tri_services.src = "../images/tri_nav_off.gif";
	document.tri_markets.src = "../images/tri_nav_off.gif";
	document.tri_equipment.src = "../images/tri_nav.gif";
	
	show(this,'subnav_equipment');	
}

if(navVar == "services") {
	changeImage('btn_services', 'services_on');

	document.tri_company.src = "../images/tri_nav_off.gif";
	document.tri_services.src = "../images/tri_nav.gif";
	document.tri_markets.src = "../images/tri_nav_off.gif";
	document.tri_equipment.src = "../images/tri_nav_off.gif";

	show(this,'subnav_services');
}

if(navVar == "markets") {
	changeImage('btn_markets', 'markets_on');

	document.tri_company.src = "../images/tri_nav_off.gif";
	document.tri_services.src = "../images/tri_nav_off.gif";
	document.tri_markets.src = "../images/tri_nav.gif";
	document.tri_equipment.src = "../images/tri_nav_off.gif";
	
	show(this,'subnav_markets');
}

}

//IMG POPUP
function popWin(img,wdth,hght) {
	
	specsstr = "'width=" + wdth + ",height=" + hght + ",toolbar=no,menubar=no,location=no,status=yes'";
	
	specs = eval(specsstr);
	
	window.open(img,'_blank',specs);
}