<!--

if (document.images)
{
  // pre-cache rollover images
  var home_off = new Image(52,43)
  home_off.src = "graphics/buttons/btn_home1_off.gif"
  var home_over = new Image(52,43)
  home_over.src = "graphics/buttons/btn_home1_on.gif" 

  var about_off = new Image(81,43)
  about_off.src = "graphics/buttons/btn_about1_off.gif"
  var about_over = new Image(81,43)
  about_over.src = "graphics/buttons/btn_about1_on.gif" 

  var labequip_off = new Image(91,43)
  labequip_off.src = "graphics/buttons/btn_lab_off.gif"
  var labequip_over = new Image(91,43)
  labequip_over.src = "graphics/buttons/btn_lab_on.gif" 

  var service_off = new Image(84,43)
  service_off.src = "graphics/buttons/btn_service1_off.gif"
  var service_over = new Image(84,43)
  service_over.src = "graphics/buttons/btn_service1_on.gif"   
    
  var quote_off = new Image(73,43)
  quote_off.src = "graphics/buttons/btn_quote1_off.gif"
  var quote_over = new Image(73,43)
  quote_over.src = "graphics/buttons/btn_quote1_on.gif" 
  
  var sell_off = new Image(86,43)
  sell_off.src = "graphics/buttons/btn_sell1_off.gif"
  var sell_over = new Image(86,43)
  sell_over.src = "graphics/buttons/btn_sell1_on.gif" 
  
  var regenmed_off = new Image(104,43)
  regenmed_off.src = "graphics/buttons/btn_regen_off.gif"
  var regenmed_over = new Image(104,43)
  regenmed_over.src = "graphics/buttons/btn_regen_on.gif" 
  
  var bmedserv_off = new Image(89,43)
  bmedserv_off.src = "graphics/buttons/btn_biomed_off.gif"
  var bmedserv_over = new Image(89,43)
  bmedserv_over.src = "graphics/buttons/btn_biomed_on.gif" 
  
  var contact_off = new Image(89,43)
  contact_off.src = "graphics/buttons/btn_contact1_off.gif"
  var contact_over = new Image(89,43)
  contact_over.src = "graphics/buttons/btn_contact1_on.gif" 
}


// swap images
function di(id,name)
{
  if (document.images)
    document.images[id].src=eval(name+".src");
}


function main_in(id, name, menuname)
{
  if (document.images)
    document.images[id].src = eval(name + ".src");
  popup(menuname, id);
}


function main_out(id, name)
{
  if (document.images)
    document.images[id].src = eval(name + ".src");
  popdown();
}



// -->