Graphic.load() now accepts an optional 'offset' parameter, so you can skip

some data to find the graphic you want to 'load'.
Also, limit the read() size (of BIN files) to the width x height x 2.

exec/load/graphic.js

@@ -507,7 +507,7 @@ Graphic.prototype.drawfx = function(xpos,ypos,width,height,xoff,yoff)
  * Loads a ANS or BIN file.
  * TODO: The ASC load is pretty much guaranteed to be broken.
  */
-Graphic.prototype.load = function(filename)
+Graphic.prototype.load = function(filename, offset)
 {
 	var file_type=file_getext(filename).substr(1);
 	var f=new File(filename);
@@ -525,7 +525,9 @@ Graphic.prototype.load = function(filename)
 	case "BIN":
 		if(!(f.open("rb",true)))
 			return(false);
-		this.BIN = f.read();
+		if(offset)
+			f.position = offset * this.height * this.width * 2;
+		this.BIN = f.read(this.height * this.width * 2);
 		f.close();
 		break;
 	case "ASC":