/*****************************Images and their rollovers for the main navigation*******/

if (document.images) {
    homebuttonup       = new Image();
    homebuttonup.src   = "images/navBar_02.gif" ;
    homebuttondown     = new Image() ;
    homebuttondown.src = "images/BAROVER_02.gif" ;
    
    homebutton2up       = new Image();
    homebutton2up.src   = "images/navBar_03.gif" ;
    homebutton2down     = new Image() ;
    homebutton2down.src = "images/BAROVER_03.gif" ;
    
    homebutton3up       = new Image();
    homebutton3up.src   = "images/navBar_04.gif" ;
    homebutton3down     = new Image() ;
    homebutton3down.src = "images/BAROVER_04.gif" ;
    
    homebutton4up       = new Image();
    homebutton4up.src   = "images/navBar_05.gif" ;
    homebutton4down     = new Image() ;
    homebutton4down.src = "images/BAROVER_05.gif" ;
    
    homebutton5up       = new Image();
    homebutton5up.src   = "images/navBar_06.gif" ;
    homebutton5down     = new Image() ;
    homebutton5down.src = "images/BAROVER_06.gif" ;
    
    homebutton6up       = new Image();
    homebutton6up.src   = "images/navBar_07.gif" ;
    homebutton6down     = new Image() ;
    homebutton6down.src = "images/BAROVER_07.gif" ;
    
    
}

/****************function to switch the rollovers***********************/
function buttondown( buttonname )
{
     
      
    if (document.images) {
		
      document[ 'homebutton' ] .src = "images/navBar_02.gif" ;
      document[ 'homebutton2' ] .src =  "images/navBar_03.gif" ;
	  document[ 'homebutton3' ] .src =  "images/navBar_04.gif" ;
	  document[ 'homebutton4' ] .src =  "images/navBar_05.gif" ;
  	  document[ 'homebutton5' ] .src =  "images/navBar_06.gif" ;
      document[ 'homebutton6' ] .src =  "images/navBar_07.gif" ;
      document[ buttonname ].src = eval( buttonname + "down.src" );
    }
}
function buttonup ( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "up.src" );
    }
}
//

/***********************************************
* AnyLink Drop Down Menu- © Dynamic Drive (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

//Contents for menu 1
var menu1=new Array()
menu1[0]='<a class="nav" href="SkyTracker.aspx">SkyTracker&#8482;</a>'
menu1[1]='<a class="nav" href="SkyHelp.aspx">SkyHelp&#8482;</a>'
menu1[2]='<a class="nav" href="CylinderTracker.aspx">CylinderTracker&#8482;</a>'
menu1[3]='<a class="nav" href="Capacitance.aspx">Refined Fuel Capacitance Gauges</a>'
menu1[4]='<a class="nav" href="Capacitance.aspx">Cryogenics and Dry Good Capacitance Gauges</a>'
menu1[5]='<a class="nav" href="OptionalPower.aspx">Optional Power</a>'
menu1[6]='<a class="nav" href="SkyTrackerHistory.aspx">SkyTracker Development</a>'
menu1[7]='<a class="nav" href="Advantages.aspx">Advantages</a>'
menu1[8]='<a class="nav" href="API.aspx">API Licensing</a>'
menu1[9]='<a class="nav" href="ConsumptionBilling.aspx">Consumption Billing</a>'
menu1[10]='<a class="nav" href="Savings.aspx">Savings Calculator</a>'
menu1[11]='<a class="nav" href="Testimonials.aspx">Testimonials</a>'
menu1[12]='<a class="nav" href="CompetitiveCheckList.aspx">Competitive Comparison</a>'
menu1[13]='<a class="nav" href="RequestInfo.aspx">Request Information</a>'  

//Contents for menu 2, and so on
var menu2=new Array()
menu2[0]='<a class="nav" href="Purchase.aspx">Purchase and Rental Agreements</a>'
menu2[1]='<a class="nav" href="CustomerService.aspx">Customer Service</a>'
menu2[2]='<a class="nav" href="Brochures.aspx">Brochures for your customers</a>'
		
		
var menu3=new Array()
menu3[0]='<a class="nav" href="http://www.nascorp-skytracker.com/stockholders/Login.aspx">Log In</a>'
menu3[1]='<a class="nav" href="StockholderNews.aspx">Stockholder News</a>'

var menu5=new Array()
menu5[0]='<a class="nav" href="Events.aspx">Upcoming Events</a>'
menu5[1]='<a class="nav" href="Photos.aspx">Photo Clipboard</a>'

var menu4=new Array()
menu4[0]='<a class="nav" href="People.aspx">People at NASCorp</a>'
menu4[1]='<a class="nav" href="Security.aspx">Server & Data Security</a>'
menu4[2]='<a class="nav" href="FAQ.aspx">FAQ</a>'
menu4[3]='<a class="nav" href="Facts.aspx">Facts About Tank Monitoring</a>'
menu4[4]='<a class="nav" href="Presentation.aspx">Power Point Presentation</a>'
menu4[5]='<a class="nav" href="Associations.aspx">Association Memberships</a>'
menu4[6]='<a class="nav" href="ContactUs.aspx">Contact Us</a>'
	 

		


var menuwidth='255' //default menu width
var menubgcolor='#003366'  //menu bgcolor
var disappeardelay=250  //menu disappear speed onMouseout (in miliseconds)
var hidemenu_onclick="yes" //hide menu when user clicks within menu?

/////No further editting needed

var ie4=document.all
var ns6=document.getElementById&&!document.all

if (ie4||ns6)
document.write('<div id="dropmenudiv" style="visibility:hidden;width:'+menuwidth+';background-color:'+menubgcolor+'" onMouseover="clearhidemenu()" onMouseout="dynamichide(event)"></div>')

function getposOffset(what, offsettype){
var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
var parentEl=what.offsetParent;
while (parentEl!=null){
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
parentEl=parentEl.offsetParent;
}
return totaloffset;
}


function showhide(obj, e, visible, hidden, menuwidth){
if (ie4||ns6)
dropmenuobj.style.left=dropmenuobj.style.top="-500px"
if (menuwidth!=""){
dropmenuobj.widthobj=dropmenuobj.style
dropmenuobj.widthobj.width=menuwidth
}
if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
obj.visibility=visible
else if (e.type=="click")
obj.visibility=hidden
}

function iecompattest(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function clearbrowseredge(obj, whichedge){
var edgeoffset=0
if (whichedge=="rightedge"){
var windowedge=ie4 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
edgeoffset=dropmenuobj.contentmeasure-obj.offsetWidth
}
else{
var topedge=ie4 && !window.opera? iecompattest().scrollTop : window.pageYOffset
var windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure){ //move up?
edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) //up no good either?
edgeoffset=dropmenuobj.y+obj.offsetHeight-topedge
}
}
return edgeoffset
}

function populatemenu(what){
if (ie4||ns6)
dropmenuobj.innerHTML=what.join("")
}

function FAKEdropdownmenu(obj, e, menucontents, menuwidth, whichBtn){
buttondown(whichBtn)
if (window.event) event.cancelBubble=true
else if (e.stopPropagation) e.stopPropagation()
clearhidemenu()
if (ie4||ns6){
dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth)
}

}


function dropdownmenu(obj, e, menucontents, menuwidth, whichBtn){
buttondown(whichBtn)
if (window.event) event.cancelBubble=true
else if (e.stopPropagation) e.stopPropagation()
clearhidemenu()
dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
populatemenu(menucontents)

if (ie4||ns6){
showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth)
dropmenuobj.x=getposOffset(obj, "left")
dropmenuobj.y=getposOffset(obj, "top")
dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"
dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"px"
}

return clickreturnvalue()
}

function clickreturnvalue(){
if (ie4||ns6) return false
else return true
}

function contains_ns6(a, b) {
while (b.parentNode)
if ((b = b.parentNode) == a)
return true;
return false;
}

function dynamichide(e){
if (ie4&&!dropmenuobj.contains(e.toElement))
delayhidemenu()
else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
delayhidemenu()
}

function hidemenu(e){
if (typeof dropmenuobj!="undefined"){
if (ie4||ns6)
dropmenuobj.style.visibility="hidden"
buttonup('homebutton')
buttonup('homebutton2')
buttonup('homebutton3')
buttonup('homebutton4')
buttonup('homebutton5')
buttonup('homebutton6')


}
}

function delayhidemenu(){
if (ie4||ns6)
delayhide=setTimeout("hidemenu()",disappeardelay)
}



function clearhidemenu(){
if (typeof delayhide!="undefined")
clearTimeout(delayhide)
}

if (hidemenu_onclick=="yes")
document.onclick=hidemenu

/*************Some of my code****************/


function changeImage(whichImage) {
        newImage = "url(images/botOver_19.gif)";
        document.getElementById(whichImage).style.backgroundImage = newImage;
        document.getElementById(whichImage).style.cursor='hand'; 
  }
      
function changeImageLast(whichImage) {
 		newImage = "url(images/rightOver_22.gif)";
        document.getElementById(whichImage).style.backgroundImage = newImage;
        document.getElementById(whichImage).style.cursor='hand'; 
      }
      
function clearImage(whichImage) {
        newImage = "";
        document.getElementById(whichImage).style.backgroundImage = newImage;
      }