//Link-hover


$(function(){
     $('a img').hover(function(){
        $(this).attr('src', $(this).attr('src').replace('_off', '_on'));
          }, function(){
             if (!$(this).hasClass('currentPage')) {
             $(this).attr('src', $(this).attr('src').replace('_on', '_off'));
        }
   });
});



//Boxの高さを揃えるプラグイン

/**
 * Plugin: equalbox
 * 
 * Version: 1.0
 * (c) Copyright 2011, Jose Erlino Lontok and Myhedspace.com
 * 
 * Description: A simple jQuery solution that will make sure that related and adjacent columns are of the same height. 
 *
 **/

(function( $ ){
    $.fn.equalbox = function() {
    
        var bigHeight =0;
        
        $(this).each(function () {
            $this = $(this);
            if ( $this.outerHeight() > bigHeight ) {
                bigHeight=$this.outerHeight();
            }
        });        
        
        return $(this).css("height", bigHeight);
    
    };
})( jQuery );


$(document).ready(function() {
    $("#sidemenu,#main").equalbox();
});