ting ID, return it
	        // else: Create a new ID
	        do { //Keep postfixing `-frame` until the ID is unique
	            id += "-frame";
	        } while (document.getElementById(id));
	        elem.id = id;
	        return id;
	    }
	    // If no element, return null.
	    return null;
	}

	// Define YT_ready function.
	var YT_ready = (function() {
	    var onReady_funcs = [], api_isReady = false;
	    /* @param func function     Function to execute on ready
	     * @param func Boolean      If tr