var out = new Array() 
 out[0] = new Image()    //  etc. 
 out[0].src = "/dinogiants/images/imgMain.gif"  // etc 

var over = new Array() 
  over[0] = new Image()    // etc 
  over[0].src = "/dinogiants/images/rollovers/rolloverdinolinksforkids.gif"   // for kids 
  
  over[1] = new Image()    // etc 
  over[1].src = "/dinogiants/images/rollovers/rolloverdinoonparade.gif"   // on parade 
  
  over[2] = new Image()    // etc 
  over[2].src = "/dinogiants/images/rollovers/rolloverdinostaur.gif"   // dinos taur 
  
  over[3] = new Image()    // etc 
  over[3].src = "/dinogiants/images/rollovers/rolloverevents.gif"   // events 
  
  over[4] = new Image()    // etc 
  over[4].src = "/dinogiants/images/rollovers/rolloverexhibit.gif"   // exhibit 
  
  over[5] = new Image()    // etc 
  over[5].src = "/dinogiants/images/rollovers/rollovergetinvolved.gif"   // get involved 
  
  over[6] = new Image()    // etc 
  over[6].src = "/dinogiants/images/rollovers/rolloverphotogallery.gif"   // photo gallery 
  
  over[7] = new Image()    // etc 
  over[7].src = "/dinogiants/images/rollovers/rolloverplanyourvisit.gif"   // plan your visit 
  
  over[8] = new Image()    // etc 
  over[8].src = "/dinogiants/images/rollovers/rolloverpressandnews.gif"   // press and news 
  
  over[9] = new Image()    // etc 
  over[9].src = "/dinogiants/images/rollovers/rolloverrelatedlinks.gif"   // related links 
  
  over[10] = new Image()    // etc 
  over[10].src = "/dinogiants/images/rollovers/rolloverspanish.gif"   // spanish 
  
  over[11] = new Image()    // etc 
  over[11].src = "/dinogiants/images/rollovers/rolloversponsorship.gif"   // sponsorship
  
  over[12] = new Image()    // etc 
  over[12].src = "/dinogiants/images/rollovers/rolloverteacherresources.gif"   // teacher resources
 

function roll(img, num)  { 
   document.images[img].src = over[num].src 
} 

function roll_back(img)  { 
   document.images[img].src = out[0].src 
} 
function changeStyle(SMobj, SMstyle) {
   if(SMstyle != "") { SMobj.className = SMstyle; }
}