if (document.images) {

  officeOff = new Image()

  officeOff.src = "images/nav_office_off.gif"

  archiOff = new Image()

  archiOff.src = "images/nav_archi_off.gif"

  scimedOff = new Image()

  scimedOff.src = "images/nav_scimed_off.gif"

  streetOff = new Image()

  streetOff.src = "images/nav_street_off.gif"

  retexOff = new Image()

  retexOff.src = "images/nav_retex_off.gif"

  

  officeOver = new Image()

  officeOver.src = "images/nav_office_on.gif"

  archiOver = new Image()

  archiOver.src = "images/nav_archi_on.gif"

  scimedOver = new Image()

  scimedOver.src = "images/nav_scimed_on.gif"

  streetOver = new Image()

  streetOver.src = "images/nav_street_on.gif"

  retexOver = new Image()

  retexOver.src = "images/nav_retex_on.gif"

  

  officeOut = new Image()

  officeOut.src = "images/nav_office_on.gif"

  archiOut = new Image()

  archiOut.src = "images/nav_archi_on.gif"

  scimedOut = new Image()

  scimedOut.src = "images/nav_scimed_on.gif"

  streetOut = new Image()

  streetOut.src = "images/nav_street_on.gif"

  retexOut = new Image()

  retexOut.src = "images/nav_retex_on.gif"

 

}

function changeImage(name,image) {

  if (document.images[name]) document.images[name].src = eval(image+'.src');

}

function menuOnHide(sender) {

  changeImage(sender.Trigger,sender.Trigger+"Off");

}

function menuOnMouseOver(sender) {

  changeImage(sender.Trigger,sender.Trigger+"Out");

}

function navOver(name,event) {

  changeImage(name,name+"Over");

  

}

function navOut(name,event) {



 changeImage(name,name+"Off");



}