// JavaScript Document

// Determina o browser
NS6 = (document.getElementById&&!document.all);
IE = (document.all);
NS = (navigator.appName=="Netscape" && navigator.appVersion.charAt(0)=="4");
var objeto = null;

var font = 13;
var UTIL = {
	GetObject:function(nome){
		if (NS6){objeto=document.getElementById(nome);}
		else if (IE) {objeto=document.all(nome);}
		else if (NS) {objeto=document.layers[nome];}
		return objeto;
	},
	FonteMais:function(){
		if(font+1 <= 16)
		{
			font++;
			UTIL.GetObject("texto").style.fontSize = font+'px';
		}
		else
			return false;
	},
	FonteMenos:function(){
		if(font-1 >= 11)
		{
			font--;
			UTIL.GetObject("texto").style.fontSize = font+'px';
		}
		else
			return false;
	},
	carrega:function(pag,secao) {
		OBform = UTIL.GetObject('post');
			
		URL = '/site/ajax/ajax_home.php?pag='+pag;
		
		var ajax = AJAX.createXMLHttpRequest();
		ajax.open("GET", URL, false);
		ajax.send(null);
		var conteudo = ajax.responseText;
		
		if(conteudo){
			OBform.innerHTML += conteudo;
			pag++;
			UTIL.GetObject('mais').innerHTML = '<img src="/site/css/imagem/bot-ver-mais.gif" onclick="UTIL.carrega('+ pag +');" />';
		}			
		else{
			UTIL.GetObject('mais').innerHTML = '';
		}
		return void(0);
	}
};


function bookmarks(tipo){
     var title = document.title;
	 var url = document.location;
	 switch (tipo) {
		case "favoritos":
			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);}

            break;
		case "delicious":
            window.open("http://del.icio.us/post?url=" + url + "&title=" + title, "_blank");
            break;
	 }
}

function show_balao(event)
{
	var ua = navigator.userAgent.toLowerCase();
	x=event.clientX;
	if (ua.indexOf('safari') != -1){
	//	alert(ua);
		y=event.pageY;
	}else{
		y=event.clientY;
	}
	z = document.documentElement.scrollTop;
	document.getElementById('balao').style.marginTop = ((y + z)-88)+'px';
	document.getElementById('balao').style.left = (x-18)+'px';
	document.getElementById('balao').style.display ='block';
}
function mostra_balao(texto){
	document.getElementById('balao').innerHTML = texto
}
function esconde_balao(){
	document.getElementById('balao').style.display ='none';
}
function thisMovie(movieName) {
    if (navigator.appName.indexOf("Microsoft") != -1) {
        return window[movieName];
    } else {
        return document[movieName];
    }
}