// Java Document
var isNS4 = (document.layers) ? true : false;
var isIE4 = (document.all && !document.getElementById) ? true : false;
var isIE5 = (document.all && document.getElementById) ? true : false;
var isNS6 = (!document.all && document.getElementById) ? true : false;
var ExSearch="wb";

function ChooseSearch(name)
{
	if(ExSearch)
	{
		NoDisplayElement(ExSearch+"div");
		var exLi=GetElement(ExSearch+"li");
		exLi.className="";
	}
	var li=GetElement(name+"li");
	li.className=name;
	DisplayElement(name+"div");
	ExSearch=name;
}

function GetElement(name)
{
	if(isNS4) 					return	(document.layers[name]);
	else if(isIE4) 				return 	(eval("document.all."+name));
	else if(isIE5 || isNS6)		return 	(document.getElementById(name));
}

function NoDisplayElement(name,htmlElement) 
{
	var element;
	if(!htmlElement)	element = GetElement(name);
	else				element = name;
	if(isNS4)							element.display="none";
	else if(isIE4 || isIE5 || isNS6)	element.style.display="none";
}
function DisplayElement(name,htmlElement) 
{
	var element;
	if(!htmlElement)	element = GetElement(name);
	else				element = name;
	if(isNS4)							element.display="block";
	else if(isIE4 || isIE5 || isNS6)	element.style.display="block";
}

function apriCond(indirizzo)
{
	window.open(indirizzo,'cond','scrollbars=yes,width=360,height=450');
}
var MeteoIds=new Array();
var CurrentI=0;
var LastMeteoN=0;

function checkHeader(formEl,textEl,textElName)
{
	if(!formEl.elements[textEl].value)
	{
		alert("E' necessario riempire il campo "+textElName);
		return false;
	}
	return true;
}