fixed max length of renderedImage

public/scripts/functions.js

@@ -154,7 +154,7 @@ function slideBack(){
 function slideForward(){
 	var actual = document.getElementById("renderedHoneyComb").getElementsByClassName("visible")[0];
 	var actualId = actual.id.split("_")[1];
-	if(actualId < 10){
+	if(actualId < document.getElementsByClassName("renderedCanvas").length){
 		actualId++;
 	}
 	actual.className = "renderedCanvas";