function initPage() {
	var navRoot = document.getElementById("nav");
	var _body = document.body;
	var lis = navRoot.getElementsByTagName("li");
	for (var i = 0; i < lis.length; i++) 
	{
	    if (lis[i].className.indexOf("dropdown") != -1) 
	    {
	        lis[i].onmouseover = function() 
	        {
	            this.className += " hover";
	            _body.className += " hover";

	            //fixme - aqui vai ocultar todas as outras divs

	            if (this.id == 'dropdown1') 
	            {
	                document.getElementById('dropdown2').className = "";
	                //desabilitando no over outros links
	                document.getElementById('liHome').className = "";
	                document.getElementById('liArtigos').className = "";
	                document.getElementById('liFaleConosco').className = "";
	            }
	            //else if (this.id == 'dropdown2') 
	            //{
	            //    document.getElementById('dropdown1').className = "";
	            //    //desabilitando no over outros links
	            //    document.getElementById('liHome').className = "";
	            //    document.getElementById('liArtigos').className = "";
	            //    document.getElementById('liFaleConosco').className = "";
	            //}
	        }
	        lis[i].onmouseout = function() 
	        {
	            this.className = this.className.replace("hover", "");
	            _body.className = _body.className.replace("hover", "");

	            //fixme - chamar funcao de ativar tab
	            Aba_Ativa();
	        }
	    }
	}

    /*HOME*/
	document.getElementById('liHome').onmouseover = function() {
	    document.getElementById('dropdown1').className = "";
	    document.getElementById('dropdown2').className = "";
	    document.getElementById('liArtigos').className = "";
	    document.getElementById('liFaleConosco').className = "";
	    document.body.className = "";
	}
	document.getElementById('liHome').onmouseout = function() {
	    Aba_Ativa();
	}
	/*HOME FIM*/

	/*Artigos*/
	document.getElementById('liArtigos').onmouseover = function() {
	    document.getElementById('dropdown1').className = "";
	    document.getElementById('dropdown2').className = "";
	    document.getElementById('liHome').className = "";
	    document.getElementById('liFaleConosco').className = "";
	    document.body.className = "";
	}
	document.getElementById('liArtigos').onmouseout = function() {
	    Aba_Ativa();
	}
	/*Artigos FIM*/

	/*PROGRAMAS*/
	document.getElementById('dropdown2').onmouseover = function() {
	    document.getElementById('dropdown1').className = "";
	    document.getElementById('liArtigos').className = "";
	    document.getElementById('liHome').className = "";
	    document.getElementById('liFaleConosco').className = "";
	    document.body.className = "";
	}
	document.getElementById('dropdown2').onmouseout = function() {
	    Aba_Ativa();
	}
	/*PROGRAMAS FIM*/

	/*FaleCom*/
	document.getElementById('liFaleConosco').onmouseover = function() {
	    document.getElementById('dropdown1').className = "";
	    document.getElementById('dropdown2').className = "";
	    document.getElementById('liHome').className = "";
	    document.getElementById('liArtigos').className = "";
	    document.body.className = "";
	}
	document.getElementById('liFaleConosco').onmouseout = function() {
	    Aba_Ativa();
	}
	/*FaleCom fim*/

}

if (window.addEventListener)
	window.addEventListener("load", initPage, false);
else if (window.attachEvent)
    window.attachEvent("onload", initPage);

//FORMULÁRIO
function ValidaDados() {
    if (document.getElementById('ctl00_txtNome').value == 'Nome' || document.getElementById('ctl00_txtEmail').value == 'Email') {
        alert('Preenchimento obrigatório dos campos "Nome" e "E-mail"');
        return false;
    }
    return true;
}

//BOOKMARK
function addbookmark() {
    var url = window.location.href;
    var title = document.title;

    if (window.sidebar) window.sidebar.addPanel(title, url, "");
    else if (window.opera && window.print) {
        var mbm = document.createElement('a');
        mbm.setAttribute('rel', 'sidebar');
        mbm.setAttribute('href', url);
        mbm.setAttribute('title', title);
        mbm.click();
    }
    else if (document.all) { window.external.AddFavorite(url, title); }
}

//MENU

function Aba_Ativa() {

    var abaNome = 'abaNome';
    
    if (document.getElementById(abaNome) == null)
        aba = 'home';
    else
        var aba = document.getElementById(abaNome).value
    

    switch (aba) {
        case 'home':
            {
                //liHome
                document.getElementById("liHome").className = "active";
                break;
            }
        case 'quemSomos':
            {
                document.getElementById("dropdown1").className = " hover";
                document.body.className += " hover";
                break;
            }
        case 'programas':
            {
                document.getElementById("dropdown2").className = "active";
                break;
            }
        case 'artigos':
            {
                document.getElementById("liArtigos").className = "active";
                break;
            }
        case 'faleConosco':
            {
                document.getElementById("liFaleConosco").className = "active";
                break;
            }
        default:
        {
            document.getElementById("liHome").className = "active";
            break;
        }
            
    }
}