// Coded by Jay B. Roloff - Feb, 2003



var imgObjs = new Array();

var ii, jj, nn;



for(ii = 0; ii < imgNames.length; ii++)

  for(jj = 0; jj < imgStates.length; jj++){

    nn = imgNames[ii] + imgStates[jj];

    imgObjs[nn] = new Image();

    imgObjs[nn].src = imgPrefix + nn + imgSuffix;

  }



function swap(img, state){
  if(!document.images) return;

  document.images[img].src = imgObjs[img + state].src;

}