// Bill Weinman's Generic Rollover Engine


// (c) 2000 William E. Weinman


//


// http://bw.org/


//


// This program is free software. You may modify and distribute it


// as long as you include this notice in all copies.


//


// No other rights are granted. This program is not "public domain".


//





okay = false;  // wait until variables are initialized





var preload = new Array (





///////////////////////////////////////////////////


// list all your images here.


// Remember: No comma after the last image!


//





  "image/corvallis-lodging-over.gif",   "image/corvallis-lodging.gif",


  "image/info-over.gif",   "image/info.gif",


  "image/reservations-over.gif",    "image/reservations.gif",


  "image/brochure-over.gif",   "image/brochure.gif",


  "image/region-over.gif",     "image/region.gif",


  "image/around-over.gif",  "image/around.gif",


  "image/relocation-over.gif",  "image/relocation.gif",

  "image/trans-over.gif",  "image/trans.gif",

  "image/map-over.gif",   "image/map.gif"





//


// you shouldn't need to modify anything


// below this line


///////////////////////////////////////////////////





  );





// find out what browser this is


with(navigator) {


  code = appCodeName;


  app = appName;


  version = appVersion;


  iver = parseInt(version);


  ua = userAgent;


  }





// this will work in "Mozilla" 3+ (includes MSIE 4)


if ( code == "Mozilla" && iver >= 3 )  okay = true;


else { okay = false; }





if(okay) {


  // compile the RegExp because we use it a lot


  var re = new RegExp();


  re.compile("[\\/.:\\-\\s]", "g");





  // preload the images


  for (var i = 0; i < preload.length; i++) {


    i_preload(preload[i]);


    }


  var preloaded = true


  }





// take a filename and make a legal variable name from it


function iname (img)


{


var s = img.replace(re, "_");


return s;


}





// preload the images


function i_preload(img)


{


if(img) {


  var imgn = iname(img);


  eval(imgn + " = new Image()");


  eval(imgn + ".src = '" + img + "'");


  }


return true;


}





// swap entry function


function swap (name, image)


{


if(!okay) return true; // just leave unless okay





// don't try to do this before the preloading is finished


if(preloaded) document.images[name].src = image;


return true;


}