//Utility function to find element by id Cross Browser
function findElementById(id){return ( document.all+"" != "undefined" ? document.all[id] : document.getElementById(id) );}

function openPdvHome(sel){var ind = sel.options[sel.selectedIndex].value;if(ind != 0){window.location = "/"+ind;}}

function openPopupCenter(url,name,ww,hh){
	var oWin;
	var pars=",top="+Math.floor((screen.height-hh)/2)+",left="+Math.floor((screen.width-ww)/2);
	oWin=window.open(url,name,'width='+ww+',height='+hh+',scrollbars=yes,toolbar=0,menubar=0,resizable=0'+pars);
	return oWin;
}

function openPopupCenterNosb(url,name,ww,hh){
	var oWin;
	var pars=",top="+Math.floor((screen.height-hh)/2)+",left="+Math.floor((screen.width-ww)/2);
	oWin=window.open(url,name,'width='+ww+',height='+hh+',scrollbars=0,toolbar=0,menubar=0,resizable=0'+pars);
	return oWin;
}

function menu_trasversale_on(on){
	var ob=null;
	for(i=1;i<=9;i++){
		ob=findElementById('menutras'+i);
		if (i==on) {ob.style.display = '';} else {ob.style.display = 'none';}
	}
}

function menu_trasversale_off(){
	var ob=null;
	for(i=1;i<=9;i++){
		ob=findElementById('menutras'+i);
		ob.style.display = 'none';
	}
}

// Hide instruction text for password field
function txt2pwd(obj, pwd){
	//obj.style.visibility = "hidden";
	findElementById(obj).style.display = "none";
	findElementById(pwd).style.display="inline";
	findElementById(pwd).focus();
}
// Display instruction text for password field
function pwd2txt(obj, txt){
	if(findElementById(obj).value.length==0){
		//findElementById(txt).style.visibility = "visible";
		findElementById(obj).style.display = "none";
		findElementById(txt).style.display = "inline";
	}
}
// Display instruction text [str] if field is blank
// Clear instruction text if field is clicked
function resetField(obj,str){
	if(obj.value.length==0){obj.value=str;return;}
	if(obj.value==str){obj.value="";}
}

/*window.onload = function() {
  document.getElementById('google').onclick = function()   {alert('Google');};
  document.getElementById('yahoo').onclick = function()   {alert('Yahoo!');};
} 

window.addEvents({
	'domready': function(){
		$('bar_utente').getElements('.sub_menu').each(function(item) {
			if(!item.getElement('.item').hasClass('active')) {
				var subItem = item.getElement('.subItem');
				item.addEvents({
						'mouseenter': function(event){ subItem.setStyle('display', 'block'); },
						'mouseleave': function(){ subItem.setStyle('display', 'none'); }
				});
			}
		});

	}
});*/

function showSubItem(el, b) {
	var subItems;
	var descendants = el.getElementsByTagName('div');
	if ( descendants.length ) {
  	subItems = descendants[0];
		if(b)	subItems.style.display = "block";
		else subItems.style.display = "none";
	}
}
	

function showEtichettaItems(t){
	var i=0;
	for(i=1;i<=3;i++){
		if(i!=t && $('b_items_'+i)) {
			$('b_items_'+i).addClass('hide');
			$('b_items_'+i).getParent().addClass('hide_items');
		}
	}
	
	$('b_items_'+t).removeClass('hide');
	$('b_items_'+t).getParent().removeClass('hide_items');
}


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_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_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];}
}