//CS 13092011 Versione per jQuery 
var isOver = false;
setOver();
function setOver(){
	var num = $(".overs").length
	isOver = false;
	for(var i = 0; i<num; i++){
	    var obj = $(".overs")[i]; 
			 
	}
	 $('.overs').bind('mouseenter', function(){
                overHandler($(this))//.fadeTo(‘fast’,1);                                        
     });
	$('.overs').bind('mouseleave', function(){
                outHandler($(this))//.fadeTo(‘fast’,1);                                        
     });
	
}

function overHandler(obj){
    var prex ="";
    var newpath ="";
    var sub ="";
    isOver = true;
    sub = obj.attr("src").substr(obj.attr("src").length-4); // salvo l'estensione
    prex = obj.attr("src").substr(0, obj.attr("src").length-4);
    newpath = prex + "_over" + sub;
	obj.attr("src", newpath);
}

function outHandler( obj){
if(isOver){
        isOver = false;    
        var sub = obj.attr("src").substr(obj.attr("src").length-4); // salvo l'estensione
		var prex = obj.attr("src").substr(0, obj.attr("src").length-9);
        var newpath = prex + sub;
		obj.attr("src", newpath);
    }
}