function BannerObj( args ) {
        if ( args ){
          this.smallImg = args.smallImg;
          this.bigImg = args.bigImg;
        }
        
        this.init = function() {
          var smallImg = document.getElementById( this.smallImg );
          var bigImg   = document.getElementById( this.bigImg );
          
          var div = smallImg.parentNode;
          div.style.width = smallImg.width + "px";
          div.style.height = smallImg.height + "px";
          
          bigImg.style.display = 'none';
          bigImg.style.position = 'relative';
          
          smallImg.setAttribute( "big", this.bigImg );
          bigImg.setAttribute( "small", this.smallImg );
 
          smallImg.onmouseover = function(){
            
            var bigImg = this.getAttribute( "big" );
            var bigObj = document.getElementById( bigImg );
                        
            this.style.display = 'none';
            bigObj.style.position = 'absolute';
            bigObj.style.display = 'block';
          }
         
          bigImg.onmouseout = function(){
            
            var smallImg = this.getAttribute( "small" );
            var smallObj = document.getElementById( smallImg );
            
            this.style.position = "relative";
            this.style.display = 'none';
            smallObj.style.display = 'block';
          }
        }
      }