// JavaScript Document
// Funzioni generali fondazionevenezia2000.org
// 2007 HCE s.r.l.

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

// findObj Ve2000
function Ve2000_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=Ve2000_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

// showhide div
function showhide(id) {
	var a = Ve2000_findObj(id) ;
	if(a!= null) {
		if(a.style.display == "none") {
			a.style.display = "block";
		} else {
			a.style.display = "none";
		}
	}
	return false;
}

// menu laterale
var menuopen = 0;

function classOver(number){
	if (menuopen != number) {
		a = Ve2000_findObj("leftmenu" + number);
		if(a!= null) {
			a.className = "menucloseover";
		}
	}
	return false;
}

function classOut(number) {
	if (menuopen != number) {
		a = Ve2000_findObj("leftmenu" + number);
		if(a!= null) {
			a.className = "menuclose";
		}
	}
	return false;
} 

function openMenu(number) {
	if(menuopen != 0) {
		showhide ("leftsub" + menuopen);
		a= Ve2000_findObj("leftmenu" + menuopen); 
		if(a!= null) {
			a.className = "menuclose";
		}
	}
	showhide ("leftsub" + number);
	a= Ve2000_findObj("leftmenu" + number);
	if(a!= null) {
		a.className = "menuopen";
	}
	menuopen = number;
	return false;
}