http://localhost/40ATV/dashboard.php?page_id=projeto_lista&lista_tipo=equipe

dashboard.php?page_id=projeto_lista&lista_tipo=equipe

//using a string variable set to the URL you want to pull info from
//this could be set to `window.location.href` instead to get the current URL
var strIn  = 'http://localhost/40ATV/dashboard.php?page_id=projeto_lista&lista_tipo=equipe',

    //get the index of the start of the part of the URL we want to keep
    index  = strIn.indexOf('/dashboard.php'),

    //then get everything after the found index
    strOut = strIn.substr(index);

var a = "http://localhost/40ATV/dashboard.php?page_id=projeto_lista&lista_tipo=equipe";
var cut = a.substr(22);

document.write("/" + mySplitResult[mySplitResult.length - 1]);​

var str = "http://localhost/40ATV/dashboard.php?page_id=projeto_lista&lista_tipo=equipe";
var arr_split = str.split("/");

var num = arr_split.length-1;

alert(arr_split[num]);