Rename some secondary functions

This makes them accessible without messing in the global/window name
space.

Author: paulprins

demo.html

@@ -55,7 +55,7 @@ <h2>Flickr Test</h2>
 		// $('#DemoImages img').cacheImages({defaultImage: 'http://upload.wikimedia.org/wikipedia/commons/f/f8/Monocle_with_gallery.jpg'});
 		$(function(){
 			// $('#flickrTest').cacheImages({debug: true});
-			$(document).on('click','#dropCache', function(){ cacheImagesDrop();	});
+			$(document).on('click','#dropCache', function(){ $.fn.cacheImages.drop();	});
 			$(document).on('click','#cacheLoadAll', function(){	cacheImagesShowAll( $('#statWindow') ); });
 			$(document).on('click','#FlickrTest', function(){
 				if( $('#FlickrTags').val() === ''){
@@ -73,7 +73,7 @@ <h2>Flickr Test</h2>
 								var items = [];
 
 								$.each( data.items, function( key, photo ) {
-									// cacheImagesFetchURL( photo.media.m );	// Cache the image for later use
+									// $.fn.cacheImages.fetchURL( photo.media.m );	// Cache the image for later use
 
 									$('#flickrTest').append( $('<img />').cacheImages({url: photo.media.m}) );	// Using the caching immediately
 								});

jquery.cacheImages.js

@@ -207,14 +207,14 @@
 	/*
 	 *	Manually cache an image into the local storage
 	 */
-	window.cacheImagesFetchURL = function( url ){
+	$.fn.cacheImages.fetchURL = function( url ){
 		$('body').append( $('<img style="display: none;" />').addClass('cacheImagesRemove').cacheImages({url: url}) );
 	};
 	/*
 	 *	Manually cache an image into the local storage
 	 */
 	window.cacheImagesOutput = function( url, storagePrefix ){
-		if( typeof storagePrefix === 'undefined' ){ storagePrefix = 'cached'; }
+		if( typeof storagePrefix === 'undefined' ){ storagePrefix = $.fn.cacheImages.defaults.storagePrefix; }
 		var tempKey = storagePrefix + ':' + url;
 		if( window.localStorage.getItem( tempKey ) != null ){
 			return window.localStorage.getItem( tempKey );	// Image exists in the cache
@@ -235,10 +235,10 @@
 	/*
 	 *	Will remove all of the cached images from their localStorage
 	 */
-	window.cacheImagesDrop = function( storagePrefix ){
+	$.fn.cacheImages.drop = function( storagePrefix ){
 		var dropKeys = [],	// Store the keys we need to drop here
 			debug = false;
-		if( typeof storagePrefix === 'undefined' ){ storagePrefix = 'cached'; }
+		if( typeof storagePrefix === 'undefined' ){ storagePrefix = $.fn.cacheImages.defaults.storagePrefix; }
 
 		// Lets get our loop on
 		for (i = 0; i < window.localStorage.length; i++) {