function changeSearchButton(){

var btn = document.getElementById("search_button");
var login = document.getElementById("btn_login");

btn.onmouseover=over;

btn.onmouseout=out;

try {

login.onmouseover=login_over;
login.onmouseout=login_out;

}catch (E){


}


}

function login_out(){

var img = new Image;
img.src = 'http://www.crealotu.com/imagenes/generales/btn_login.jpg';
document.images['btn_login'].src=img.src

}

function login_over(){

var img = new Image;
img.src = 'http://www.crealotu.com/imagenes/generales/login_over.gif';
document.images['btn_login'].src=img.src

}

function over(){

var img = new Image;
img.src = 'http://www.crealotu.com/imagenes/generales/search_roll.gif';

document.images['btn_search'].src=img.src

}

function out(){

var img = new Image;
img.src = 'http://www.crealotu.com/imagenes/generales/search.gif';

document.images['btn_search'].src=img.src

}