rem: var tile = new OpenLayers.Tile.Image(bounds, url, this.tileSize); 
add: var tile = new OpenLayers.Tile.Image(this, bounds, url, this.tileSize); 
context:     addTile:function(bounds,position) {        url = this.getFullRequestString(                     {bbox:bounds.toBBOX(),                      width:this.tileSize.w,                      height:this.tileSize.h});        var tile = new OpenLayers.Tile.Image(bounds, url, this.tileSize);        tile.draw();        tile.setPosition(position);        this.div.appendChild(tile.img);        return tile;    },
meta: 8310	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8310/54f519a2559741a82b828ddc663e73c3f75db0e9/WMS.js/clean/lib/OpenLayers/Layer/WMS.js