if (document.images) {
     button01v1 = new Image
     button01v2 = new Image

     button02v1 = new Image
     button02v2 = new Image

     button03v1 = new Image
     button03v2 = new Image

     button04v1 = new Image
     button04v2 = new Image

     button05v1 = new Image
     button05v2 = new Image

     button01v1.src = 'images/RCnav02off.gif'
     button01v2.src = 'images/RCnav02on.gif'

     button02v1.src = 'images/RCnav03off.gif'
     button02v2.src = 'images/RCnav03on.gif'

     button03v1.src = 'images/RCnav04off.gif'
     button03v2.src = 'images/RCnav04on.gif'

     button04v1.src = 'images/RCnav05off.gif'
     button04v2.src = 'images/RCnav05on.gif'

     button05v1.src = 'images/RCnav06off.gif'
     button05v2.src = 'images/RCnav06on.gif'


 }