if (document.images) {
   red = new Image
   blue = new Image
   red.src = "../jpegs/arrows/redright.jpg"
   blue.src = "../jpegs/arrows/blueright.jpg"}
else {
   red = ""
   blue = ""
   document.arrow1 = ""
   document.arrow2 = ""
   document.arrow10 = ""
   document.arrow20 = ""
   document.arrow21 = ""
   document.arrow30 = ""
   document.arrow40 = ""
   document.arrow42 = ""
   document.arrow50 = ""
   document.arrow60 = ""
   document.arrow62 = ""
   document.arrow64 = ""
   document.arrow66 = ""
   document.arrow68 = ""
   document.arrow70 = ""
   document.arrow71 = ""
   document.arrow72 = ""
   document.arrow73 = ""
   document.arrow74 = ""
   document.arrow75 = ""
   document.arrow76 = ""
   document.arrow77 = ""
   document.arrow78 = ""
   document.arrow79 = ""
   document.arrow80 = ""
   document.arrow82 = ""
   document.arrow84 = ""
   document.arrow86 = ""
   document.arrow88 = ""
   document.arrow90 = ""}