// JavaScript Document
// Funzioni generali meltingpot.org
// 2005 HCE s.r.l.

// preload MM
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];}}
}

// rollover MM (immagini)
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_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];}
}

// rollover CSS
function changeclass(object, myClass)
{ 
  object.className = myClass;
  return false;
}

// findObj MM
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;
}

// showhide div
function showhide(id) {
	var a = MM_findObj(id) ;
	if(a!= null) {
		if(a.style.display == "none") {
			a.style.display = "block";
		} else {
			a.style.display = "none";
		}
	}
	return false;
}

// jump menu MM
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

// menu laterale
var menuopen = 0;

function classOver(number){
	if (menuopen != number) {
		a = MM_findObj("leftmenu" + number);
		if(a!= null) {
			a.className = "menucloseover";
		}
	}
	return false;
}

function classOut(number) {
	if (menuopen != number) {
		a = MM_findObj("leftmenu" + number);
		if(a!= null) {
			a.className = "menuclose";
		}
	}
	return false;
} 

function openMenu(number) {
	if(menuopen != 0) {
		showhide ("leftsub" + menuopen);
		a= MM_findObj("leftmenu" + menuopen); 
		if(a!= null) {
			a.className = "menuclose";
		}
	}
	showhide ("leftsub" + number);
	a= MM_findObj("leftmenu" + number);
	if(a!= null) {
		a.className = "menuopen";
	}
	menuopen = number;
	return false;
}