/* 
 * banner.js
 *
 * Erik Bogghed <erik.bogghed@forefront.se> 
 */
function Banner(imageURI) {
  this.imageURI = imageURI;
  this.imageObject = null;
  
  this.load = loadBannerImage;
  this.getImage = getBannerImage;
} 

function loadBannerImage() {
  this.imageObject = new Image();
  this.imageObject.src = this.imageURI;
}

function getBannerImage() {
  if (this.imageObject) {
    return this.imageObject.src;
  } else {
    this.load();
    return this.imageURI;
  }
}