function toggle(objectId) {
    // cross-browser function to get an object's style object given its id
    if(document.getElementById && document.getElementById(objectId)) {
		// W3C DOM
		var obj = document.getElementById(objectId);
    } else if (document.all && document.all(objectId)) {
		// MSIE 4 DOM
		var obj = document.all(objectId);
    } else if (document.layers && document.layers[objectId]) {
		// NN 4 DOM.. note: this won't find nested layers
		var obj = document.layers[objectId];
    } else {
		var obj = false;
    };
    
    if (obj)
    {
    	if (obj.style.visibility == "hidden") 
    	{
    		obj.style.visibility = "visible";
    		obj.style.display = "block";
    	} else {
    		obj.style.visibility = "hidden";
    		obj.style.display = "none";
    	};
   		return true;
    } else {
    	return false;
    }
}

function limg(t)
{
	document.location = t.replace(/Produzioni_Small/, "Produzioni");
}