(function($) {
    $.fn.resize = function(options) {
        var settings = $.extend({
            scale: 1,
            maxWidth: null,
            maxHeight: null
        }, options);
 
        return this.each(function() {
            
      if(this.tagName.toLowerCase() != "img") {
        // Only images can be resized
        return $(this);
      } 
      

      var width = this.naturalWidth;
      var height = this.naturalHeight;
      
      if(!width || !height) {
        // Ooops you are an IE user, let's fix it.
        var img = document.createElement('img');
        img.src = this.src;
        
        width = img.width;
        height = img.height;
      }
      
      if(settings.scale != 1) {
        width = width*settings.scale;
        height = height*settings.scale;
      }
      var pWidth = 1;
      if(settings.maxWidth != null) {
        pWidth = settings.maxWidth/width;
      }
      var pHeight = 1;
      if(settings.maxHeight != null) {
        pHeight = settings.maxHeight/height;
      }
      var reduce = 1;
      if(pWidth > pHeight) {
        factor = pHeight;
      } else {
        factor = pWidth;
      }
      
      var newWidth = width*factor;
      var newHeight = height*factor;
      
      return $(this)
        .attr("width", newWidth)
        .attr("height", newHeight);
        });
    }
})(jQuery);