if (document.images) {

       
         button1on = new Image()
         button1on.src = "navoutreach/unitedon.gif"
         button2on = new Image()
         button2on.src = "navoutreach/outreachon.gif"
         button3on = new Image()
         button3on.src = "navoutreach/impacton.gif"

              
         button1off = new Image()
         button1off.src = "navoutreach/unitedoff.gif"
         button2off = new Image()
         button2off.src = "navoutreach/outreachoff.gif"
         button3off = new Image()
         button3off.src = "navoutreach/impactoff.gif"

    
         }

      function imgOn(imgName) {
         if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
         }
      }

      function imgOff(imgName) {
         if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
         }
      }