/* 
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

var Aberto = "images/2.gif"
var Fechado = "images/1.gif"

function preload(){
    if(document.images){
        Aberto = new Image(10,10)
        Fechado = new Image(10,10)
        Aberto.src = "images/2.gif"
        Fechado.src = "images/1.gif"
    }
    }
function mostra(item,item2){
    if (item.style.display=='none'){
        item.style.display='';
        item2.src=Aberto.src
    }
    else{
        item.style.display='none'
        item2.src=Fechado.src
    }
}
preload();