if(document.images) {
//Define new images

  //Initializations
  text = ""; //Global variable
}

//Generate our random number
function randomNum(){
	ran = 100 * Math.random();
	ran = Math.round(ran);
	return ran;
}

//Image swapping function
function swapImg(imgLocation,imgName){
  if(navigator.appName.indexOf("Netscape") != -1){
    tmpImg = FindImage(imgLocation,document);
  } else {
    tmpImg = document.images[imgLocation];
  }
  if(tmpImg != "" && tmpImg != null){
    tmpImg.src = eval(imgName + ".src");
  }
}

//Find the image if layers are present
function FindImage(name, doc){
  var i, img;
  for (i = 0; i < doc.images.length; i++){
    if (doc.images[i].name == name){ return doc.images[i]; }
  }
  for (i = 0; i < doc.layers.length; i++){
    if ((img = FindImage(name, doc.layers[i].document)) != null) {
      img.container = doc.layers[i];
      return img;
    }
  }
  return null;
}

//Change the image from what the default is to what we want
//  depending on the random number generated.
//  Modify these number ranges if you want to.
function changeImage(imgLocation){
	number = randomNum();
	if (number > 1 && number < 10){
	  cats = new Image;
	  var catstext = "Salem, Ashland, and Megan";
	  cats.src = "images/title_images/cats.jpg";
		text = catstext;
		imgSrc = "cats";
	}
	else if (number > 10 && number < 20){
	  eigg = new Image;
	  var eiggtext = "Isle of Eigg, Scotland";
	  eigg.src = "images/title_images/eigg.jpg";
		text = eiggtext;
		imgSrc = "eigg";
	}
		else if (number > 20 && number < 30){
	  momdad = new Image;
	  var momdadtext = "Robert and Cornelia";
	  momdad.src = "images/title_images/momdad.jpg";
		text = momdadtext;
		imgSrc = "momdad";
	}
		else if (number > 30 && number < 40){
	  outrigger = new Image;
	  var outriggertext = "Abbott launches off a big swell in the channel. Hawaii";
	  outrigger.src = "images/title_images/outrigger.jpg";
		text = outriggertext;
		imgSrc = "outrigger";
	}
		else if (number > 40 && number < 50){
	  sanabay = new Image;
	  var sanabaytext = "Sanna Bay, Point Ardnamurchan Scotland";
	  sanabay.src = "images/title_images/sanabay.jpg";
		text = sanabaytext;
		imgSrc = "sanabay";
	}
		else if (number > 50 && number < 60){
	  sanabayview = new Image;
	  var sanabayviewtext = "View of Isles Muck, Rhum, and Eigg, Scotland";
	  sanabayview.src = "images/title_images/sanabayview.jpg";
		text = sanabayviewtext;
		imgSrc = "sanabayview";
	}
		else if (number > 60 && number < 70){
	  steens = new Image;
	  var steenstext = "The Steens Mountains, Oregon";
	  steens.src = "images/title_images/steens.jpg";
		text = steenstext;
		imgSrc = "steens";
	}
		else if (number > 70 && number < 80){
	  taho = new Image;
	  var tahotext = "Megan, Stephanie, and Grandpa Thom. Lake Tahoe";
	  taho.src = "images/title_images/taho.jpg";
		text = tahotext;
		imgSrc = "taho";
	}
		else if (number > 80 && number < 90){
	  momdad = new Image;
	  var momdadtext = "Robert and Cornelia";
	  momdad.src = "images/title_images/momdad.jpg";
		text = momdadtext;
		imgSrc = "momdad";
	}
	else{
	  tumalo = new Image;
	  var tumalotext = "Snow storm, Tumalo Oregon";
	  tumalo.src = "images/title_images/tumalo.jpg";
		text = tumalotext;
		imgSrc = "tumalo";
	}
	swapImg(imgLocation,imgSrc);
}