////////////////////////////////////////////////
// JS Document                                //
// Scripts Gerais para o Site                 //
// Mateus Araujo <mateus@alias.com.br>        //
////////////////////////////////////////////////

function rand(){
	intInicio = 1;
	intFim = 2;	
	var id = parseInt(Math.random()*intFim);		
	document.body.style.backgroundImage = "url('../img/bg_rodape_"+id+".jpg')";	
	var topo_bg = document.getElementById('bg_topo');
	topo_bg.style.backgroundImage = "url('../img/bg_topo_"+id+".jpg')";
}

function gID(objeto){
	document.getElementById(objeto);
}
function ativaBusca(){
	var busca_bg = document.getElementById('busca');
	busca_bg.style.backgroundImage = "url('../img/nada.gif')";
	busca_bg.style.backgroundColor = "#f4f5dc";
	
	var busca_form = document.getElementById('form_busca');
	busca_form.style.visibility = "visible";
}
function desativaBusca(){
	var input_busca = document.getElementById('palavra');
		
	if(input_busca.value == ''){
	var busca_bg = document.getElementById('busca');
	busca_bg.style.backgroundImage = "url('../img/busca.jpg')";
	busca_bg.style.backgroundColor = "#f4f5dc";
	
	var busca_form = document.getElementById('form_busca');
	busca_form.style.visibility = "hidden";
	}else{
		// sem acao!
	}
}
function on(menu, pasta){
    botao = document.getElementById(menu);
    botao.src="../img/"+pasta+"/"+menu+"_on.png";
}
function off(menu, pasta){
    botao = document.getElementById(menu);
    botao.src="../img/"+pasta+"/"+menu+".png";
}
function on2(menu, pasta){
    botao = document.getElementById(menu);
    botao.src="../img/"+pasta+"/"+menu+"_on.gif";
}
function off2(menu, pasta){
    botao = document.getElementById(menu);
    botao.src="../img/"+pasta+"/"+menu+".gif";
}
function abreLink(link){
	window.open(link);
}