var homeBW = function(obj){
	
    var url = jQuery(obj).css('background-image');
    var origUrl = url;
    url = url.substr(5,url.length-7);
	
    url = url.split('/');

    url.shift();
    url.shift();
    url.shift();
    url = '/'+url.toString().replace(/,/g,'/');

    url = '/Thumb/phpThumb.php?src='+url+'&fltr[]=gray&q=100';
	
    var img = new Image();
    img.src = url;
	
    jQuery(obj).hover(
        function(){
            jQuery(obj).css('background-image','url("'+url+'")');
        },
        function(){
            jQuery(obj).css('background-image',origUrl);
        }
        );	
}


jQuery(document).ready(
    function(){
		
        jQuery('.b-w').each(function(){
            homeBW(this)
        });

        jQuery('#menuist ul>li>ul:hover').css({
            visibility:'visible'
        });
                
        jQuery('#footer .footer_down_dx img').bind({
            mouseenter: function(){
                var grigia = jQuery(this).attr('src');
                jQuery(this).attr('src',jQuery(this).attr('rel'));
                jQuery(this).attr('rel',grigia);
            },
            mouseleave: function(){
                 var colori = jQuery(this).attr('src');
                jQuery(this).attr('src',jQuery(this).attr('rel'));
                jQuery(this).attr('rel',colori);
            }
        });
		
    }
    );