.divAguarde
{
    background:  url(../Images/carregandopagina.gif) no-repeat center;
    width: 100px;
    height: 35px;
    position:absolute;
    z-index:10000;
    top: 45%;
    left: 45%;
}
.DivAguardeMaior
{
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0px;
    top: 0px;
    z-index:20000;
}
.DivAguardeRepre
{
    background:  url(../Images/carregandopagina.gif) no-repeat center;
    width: 100px;
    height: 35px;
    z-index:10000;
}