//here you place the ids of every element you want.

/*
<a href="javascript:switchid('a1');">show a1</a>
<div id='a1' style="display:block;"></div>
*/
var ids=new Array('Google','Site');

function switchid(id){	
	hideallids();
	showdiv(id);
}

function hideallids(){
	//loop through the array and hide each element by id
	for (var i=0;i<ids.length;i++){
		hidediv(ids[i]);
	}		  
}

function hidediv(id) {
	//safe function to hide an element with a specified id
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'none';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'none';
		}
		else { // IE 4
			document.all.id.style.display = 'none';
		}
	}
}

function showdiv(id) {
	//safe function to show an element with a specified id
		  
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'block';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'block';
		}
		else { // IE 4
			document.all.id.style.display = 'block';
		}
	}
}



function votar(frm, enquete, votar)
{
	var f = document.forms[frm];
	var tam = f.length;
	var opcao;
	var voted = false;

	for (var i=0; i<tam; i++)
	{
		if (f.elements[i].name == 'resposta')
		{
			if (f.elements[i].checked == true)
			{
				opcao = f.elements[i].value;
				voted = true;
			}
		}
	}

	if(!voted && votar) 
		alert("Selecione uma resposta, por favor !!!");
	else
    	window.open('enquete.php?enq_id='+enquete+'&resp_id='+opcao+'&votar='+votar,'Enquete','width=270, height=300,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no');
}

function Open(URL,W,H)
{
	window.open(URL,'','height='+H+',width='+W+',left=30,top=30,scrollbars=no,status=no,location=no, toolbar=no, menubar=no, resizable=no, titlebar=no'); 
}

function OpenPrint(URL)
{
	window.open(URL,'','height=500,width=600,left=30,top=30,scrollbars=yes,status=no,location=no, toolbar=no, menubar=no, resizable=no, titlebar=no'); 
}

function OpenSendMail(URL)
{
	window.open(URL,'','height=250,width=400,left=30,top=30,scrollbars=yes,status=no,location=no, toolbar=no, menubar=no, resizable=no, titlebar=no'); 
}

/***********************************************
* Switch Menu script- by Martial B of http://getElementById.com/
* Modified by Dynamic Drive for format & NS4/IE4 compatibility
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

var persistmenu="yes" //"yes" or "no". Make sure each SPAN content contains an incrementing ID starting at 1 (id="sub1", id="sub2", etc)
var persisttype="sitewide" //enter "sitewide" for menu to persist across site, "local" for this page only

if (document.getElementById)
{ //DynamicDrive.com change
	document.write('<style type="text/css">\n')
	document.write('.submenu{display: none;}\n')
	document.write('</style>\n')
}

function SwitchMenu(obj)
{
	if(document.getElementById)
	{
		var el = document.getElementById(obj);
		var ar = document.getElementById("masterdiv").getElementsByTagName("span"); //DynamicDrive.com change

		if(el.style.display != "block")
		{ //DynamicDrive.com change
			for (var i=0; i<ar.length; i++)
			{
				if (ar[i].className=="submenu") //DynamicDrive.com change
					ar[i].style.display = "none";
			}
			el.style.display = "block";
		}
		else
		{
			el.style.display = "none";
		}
	}
}

function get_cookie(Name) 
{ 
	var search = Name + "="
	var returnvalue = "";

	if (document.cookie.length > 0) 
	{
		offset = document.cookie.indexOf(search)

		if (offset != -1) 
		{ 
			offset += search.length
			end = document.cookie.indexOf(";", offset);

			if (end == -1) end = document.cookie.length;
				returnvalue=unescape(document.cookie.substring(offset, end))
		}
	}

	return returnvalue;
}

function onloadfunction()
{
	if (persistmenu=="yes")
	{
		var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname
		var cookievalue=get_cookie(cookiename)

		if (cookievalue!="")
			document.getElementById(cookievalue).style.display="block"
	}
}

function savemenustate()
{
	var inc=1, blockid=""
	while (document.getElementById("sub"+inc))
	{
		if (document.getElementById("sub"+inc).style.display=="block")
		{
			blockid="sub"+inc
			break
		}
		inc++
	}
	var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname
	var cookievalue=(persisttype=="sitewide")? blockid+";path=/" : blockid
	document.cookie=cookiename+"="+cookievalue
}

if (window.addEventListener)
	window.addEventListener("load", onloadfunction, false)
else if (window.attachEvent)
	window.attachEvent("onload", onloadfunction)
else if (document.getElementById)
	window.onload=onloadfunction

if (persistmenu=="yes" && document.getElementById)
	window.onunload=savemenustate
	
/*
FIM
*/

/*
onkeypress="mudafonte(0);" onClick="mudafonte(0);"
*/

function mudafonte(tipo) 
{ 
	var bStop = false; 
	var i = 0;
	var tamAtual = 12;
	var tamanho = 12;

	while(!bStop) 
	{
		if (i==0) 
		{
			elementID = eval(document.getElementById("mudaFonte"));
			tamAtual = elementID.style.fontSize.substr(0,2);
	
			if (tamAtual == null || tamAtual.length ==0 )
				tamanho = 12;
			else
				tamanho = parseInt(tamAtual);
	
			if ( tipo == 0 && tamanho > 10)
				tamanho = tamanho - 2;
			if ( tipo == 1 && tamanho < 20)
				tamanho = tamanho + 2;

			tamanho = tamanho + "px";

		} 
		else 
			elementID = eval(document.getElementById("mudaFonte" + i));


		if(elementID == null) 
		{ 
			bStop = true; break; 
		}

		elementID.style.fontSize=tamanho; 
		tipo=''; 
		i++;
	}
}