function blocking(nr)
{
	if (document.layers)
	{
		current = (document.layers[nr].display == 'none') ? 'block' : 'none';
		document.layers[nr].display = current;
	}
	else if (document.all)
	{
		current = (document.all[nr].style.display == 'none') ? 'block' : 'none';
		document.all[nr].style.display = current;
	}
	else if (document.getElementById)
	{
		vista = (document.getElementById(nr).style.display == 'none') ? 'block' : 'none';
		document.getElementById(nr).style.display = vista;
	}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function div() { //v6.0
  var i,p,v,obj,args=div.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
  
   if (obj.style) { 
	obj=obj.style; 
	v=(v=='mostra')?'block':(v=='nascondi')?'none':v; 
	}
    obj.display=v; }
}

function change(id, newClass) {
identity=document.getElementById(id);
identity.className=newClass;
}


function changeOpac(id)
{
opacity = 80;


var object = document.getElementById(id).style;
object.opacity = (opacity / 100);
object.MozOpacity = (opacity / 100);
object.KhtmlOpacity = (opacity / 100);
object.filter = "alpha(opacity=" + opacity + ")";
}
function changeOpac1(id)
{
opacity = 100;


var object = document.getElementById(id).style;
object.opacity = (opacity / 100);
object.MozOpacity = (opacity / 100);
object.KhtmlOpacity = (opacity / 100);
object.filter = "alpha(opacity=" + opacity + ")";
}

function addEvent( obj, type, fn ) {
  if ( obj.attachEvent ) {
    obj['e'+type+fn] = fn;
    obj[type+fn] = function(){obj['e'+type+fn]( window.event );}
    obj.attachEvent( 'on'+type, obj[type+fn] );
  } else
    obj.addEventListener( type, fn, false );
}



function trasparenza(){
addEvent(document.getElementById('riga01'), 'mouseover', function(event) {
	changeOpac1('riga01');
})
addEvent(document.getElementById('riga01'), 'mouseout', function(event) {
	changeOpac('riga01');
})
addEvent(document.getElementById('riga02'), 'mouseover', function(event) {
	changeOpac1('riga02');
})
addEvent(document.getElementById('riga02'), 'mouseout', function(event) {
	changeOpac('riga02');
})
addEvent(document.getElementById('riga03'), 'mouseover', function(event) {
	changeOpac1('riga03');
})
addEvent(document.getElementById('riga03'), 'mouseout', function(event) {
	changeOpac('riga03');
})
addEvent(document.getElementById('riga04'), 'mouseover', function(event) {
	changeOpac1('riga04');
})
addEvent(document.getElementById('riga04'), 'mouseout', function(event) {
	changeOpac('riga04');
})
addEvent(document.getElementById('riga05'), 'mouseover', function(event) {
	changeOpac1('riga05');
})
addEvent(document.getElementById('riga05'), 'mouseout', function(event) {
	changeOpac('riga05');
})
}