/* I find the swap image array a much more elegant solution to the rollover function
   you can help yourself to the use of this script but remember to be 
   careful in assigning the image numbers*/
   
   if (document.images){
   signboard = new MakeArray(15)

   signboard[1].src="images/babylock.jpg"
   signboard[2].src="images/bernina.jpg"
   signboard[3].src="images/brother.gif"
   signboard[4].src="images/elna.jpg"
   signboard[5].src="images/husqvarna.jpg"
   signboard[6].src="images/janome.jpg"
   signboard[7].src="images/juki.jpg"
   signboard[8].src="images/kenmore.jpg"
   signboard[9].src="images/necchi.jpg"
   signboard[10].src="images/omega.jpg"
   signboard[11].src="images/pfaff.jpg"
   signboard[12].src="images/riccar.jpg"
   signboard[13].src="images/singer.jpg"
   signboard[14].src="images/viking.jpg"
   signboard[15].src="images/white.jpg"
   }
   var original = new Image()

   function preload(){
      original.src = document.billboard.src
   }

   function MakeArray(num){
   this.length=num
     for (var i=1; i<=num; i++){
     this[i] = new Image()
     }
   return this
   }

   function rollon(x){
      if (document.images){
      document.billboard.src = signboard[x].src
      }
   }

   function rolloff(x){
      if (document.images){
      document.billboard.src = original.src
	  }
   }