function load1(form) {
     var url = form.lista_servicos.options[form.lista_servicos.selectedIndex].value;
     if (url != '') location.href = url;
     return false;
}

function load2(form) {
     var url = form.coberturas.options[form.coberturas.selectedIndex].value;
     if (url != '') location.href = url;
	 return false;
}

function load3(form) {
     var url = form.estabelecimentos.options[form.estabelecimentos.selectedIndex].value;
     if (url != '') location.href = url;
	 return false;
}

function load4(form) {
     var url = form.filmes.options[form.filmes.selectedIndex].value;
     if (url != '') location.href = url;
	 return false;
}