var imagePath = "/gmar/images/";
var imagesAreLoaded = 0;
var rolloverImages = new Array;
var normalImages = new Array;
var currentOption = -1;
  
function preloadRollovers() {
  var index = 0;
  var myString;
  for (i=0; i < document.images.length; i++) {
    myString = document.images[i].name
    if (myString.length > 0 && myString.substring(0,6) == "OPTION") {
      rolloverImages[index] = new Image();
      rolloverImages[index].src = imagePath + myString.substring(7,myString.length) + "_over" + ".gif";
      normalImages[index] = new Array(2)
      normalImages[index][0] = i
      normalImages[index][1] = imagePath + (myString.substring(7,myString.length)).toLowerCase() + ".gif";
      index += 1;
    }
  }
  imagesAreLoaded = 1;
  syncMenu();
  return (true);
}

function syncMenu() {
  var strContent = (document.title.replace(/\s/gi, "_")).toLowerCase();
  for (i=0; i < normalImages.length; i++) {
    if ( (imagePath + strContent + ".gif") == normalImages[i][1] ) {
      doRollover(i);
      currentOption = i;
      break;
    }
  }
}

function doRollover(index) {
  if (imagesAreLoaded && index != currentOption) {
    document.images[normalImages[index][0]].src = rolloverImages[index].src;
  }
  return (false);
}

function doMouseout(index) {
 if (imagesAreLoaded && index != currentOption) {
   document.images[normalImages[index][0]].src = normalImages[index][1];
 }
 return (true);
}