$.fn.resizeImage = function(options) {

		var settings = $.extend({maxSize:100}, options);
		
    return this.each(function() {
			var pic=new Image();
			pic.src=this.src;
			if(pic.width>pic.height){
				this.width=settings.maxSize;
			}else{
				this.height=settings.maxSize;
			}
		});
		
}