<!--

if(document.images){

      holit = new Image(); 
      holit.src = "../images/nav/home-on2.jpg"; 
      hodim = new Image(); 
      hodim.src = "../images/nav/home2.jpg";
      aplit = new Image(); 
      aplit.src = "../images/nav/applications-on.jpg"; 
      apdim = new Image(); 
      apdim.src = "../images/nav/applications2.jpg";
      itlit = new Image(); 
      itlit.src = "../images/nav/intro-on.jpg"; 
      itdim = new Image(); 
      itdim.src = "../images/nav/intro2.jpg"; 
      inlit = new Image();
      inlit.src = "../images/nav/info-on.jpg"; 
      indim = new Image(); 
      indim.src = "../images/nav/info2.jpg"; 
      enlit = new Image(); 
      enlit.src = "../images/nav/eng_tools-on.jpg"; 
      endim = new Image(); 
      endim.src = "../images/nav/eng_tools2.jpg";
      colit = new Image(); 
      colit.src = "../images/nav/contacts-on.jpg"; 
      codim = new Image(); 
      codim.src = "../images/nav/contacts2.jpg"; 
      qulit = new Image(); 
      qulit.src = "../images/nav/quote-on.jpg"; 
      qudim = new Image(); 
      qudim.src = "../images/nav/quote2.jpg"; 

} 

function rollOn(n){
if (document.images){
   light=eval(n+"lit.src");
        document [n].src=light;
        }
}

function rollOff(n){
if (document.images){
        dark=eval(n+"dim.src");
        document [n].src=dark;
   }
}

// div layer popup

function layerSetup(id,visibility){
if(document.getElementById){
this.obj = document.getElementById(id).style;
this.obj.visibility = visibility;
return this.obj;}
else if(document.all){
this.obj = document.all[id].style;
this.obj.visibility = visibility;
return this.obj;}
else if(document.layers){
this.obj = document.layers[id];
this.obj.visibility = visibility;
return this.obj;}
}
function visVisible(param){
new layerSetup(param,'visible');
}

function visHidden(param){
new layerSetup(param,'hidden');
}


//-->