function MM_swapImgRestore() { //v3.0
	var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
	var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
		var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
	if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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 MM_swapImage() { //v3.0
	var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
	if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function OpenWndSize(link_win,w,h)
{
	window.open( link_win,"_blank","toolbar=no,directories=no,menubar=no,scrollbars=yes,resizable=yes,left=5,top=5,width="+w+",height="+h );
}

function openwnd(link_win)
{
	w=screen.width - 40;
	h=screen.height - 40;
	window.open(link_win,"Finestra","toolbar=no,directories=no,menubar=no,scrollbars=yes,resizable=yes,left=5,top=5,width="+w+",height="+h);
}

function inverso(word)
{
	nw = ""; // inizializzo nuova stringa vuota
	for (j=word.length;j>=0 ;j--)
	{
		nw += word.substr(j,1);
	}
	return nw;
}

// mostra o nasconde una parte
function mostraNascondi( id1, id2 )
{
	var elemento1 = document.getElementById( id1 );
	var elemento2 = document.getElementById( id2 );
	elemento1.style.display = (elemento1.style.display == 'none') ? '' : 'none';
	elemento2.style.display = (elemento2.style.display == '') ? 'none' : '';
}