function troca(item){

	switch(item){

	case 'voltar': 

		document.voltar.src = image1.src

	break;
	case 'topo': 

		document.topo.src = image3.src

	break;
	case 's1': 

		document.s1.src = image5.src

	break;
	case 's2': 

		document.s2.src = image5.src

	break;
	case 'online': 

		document.online.src = image7.src

	break;
	case 'seta_area': 

		document.seta_area.src = image9.src

	break;
	case 'local': 

		document.local.src = image11.src

	break;
	case 'enviar': 

		document.enviar.src = image13.src

	break;
	case 'cad': 

		document.cad.src = image15.src

	break;
	case 'seta1': 

		document.seta1.src = image9.src

	break;
	case 'seta2': 

		document.seta2.src = image9.src

	break;
	case 'webmail': 

		document.webmail.src = image17.src

	break;		
	}
}
function troca_off(item){

	switch(item){

	case 'voltar': 

		document.voltar.src = image2.src

	break;
	case 'topo': 

		document.topo.src = image4.src

	break;
	case 's1': 

		document.s1.src = image6.src

	break;
	case 's2': 

		document.s2.src = image6.src

	break;
	case 'online': 

		document.online.src = image8.src

	break;
	case 'seta_area': 

		document.seta_area.src = image10.src

	break;
	case 'local': 

		document.local.src = image12.src

	break;
	case 'enviar': 

		document.enviar.src = image14.src

	break;
	case 'cad': 

		document.cad.src = image16.src

	break;
	case 'seta1': 

		document.seta1.src = image10.src

	break;
	case 'seta2': 

		document.seta2.src = image10.src

	break;
	
	case 'webmail': 

		document.webmail.src = image18.src

	break;	
	}
}
image1 = new Image()
image1.src ="../../img/voltar_over.gif"

image2 = new Image()
image2.src ="../../img/voltar.gif"

image3 = new Image()
image3.src ="../../img/topo_over.gif"

image4 = new Image()
image4.src ="../../img/topo.gif"

image5 = new Image()
image5.src ="../../img/saiba_over.gif"

image6 = new Image()
image6.src ="../../img/saiba.gif"

image7 = new Image()
image7.src ="../../img/online_over.gif"

image8 = new Image()
image8.src ="../../img/online.gif"

image9 = new Image()
image9.src ="../../img/go_over.gif"

image10 = new Image()
image10.src ="../../img/seta_area.gif"

image11 = new Image()
image11.src ="../../img/localize_over.gif"

image12 = new Image()
image12.src ="../../img/localize.gif"

image13 = new Image()
image13.src ="../../img/enviar_over.gif"

image14 = new Image()
image14.src ="../../img/bt_enviar.gif"

image15 = new Image()
image15.src ="../../img/bt_cadastre_over.gif"

image16 = new Image()
image16.src ="../../img/bt_cadastre.gif"

image17 = new Image()
image17.src ="../../img/bt_webmail_over.gif"

image18 = new Image()
image18.src ="../../img/bt_webmail.gif"

function limpa(id) {
	document.getElementById(id).value = '';
}

function enviar(){
	var erro = "";
	if(document.form_webmail.username.value == "")
		erro = erro + "- PREENCHA O LOGIN\n";
		
	if(document.form_webmail.password.value == "")
		erro = erro + "- PREENCHA A SENHA";
		
	if(erro == ""){
		document.form_webmail.username.value = document.form_webmail.username.value+"@eticasul.com.br";
		document.form_webmail.submit();
	}
	else
		alert(erro);
}

function entra(evt) {
	var tecla = (evt.which) ? evt.which : event.keyCode
	if (tecla== 13) {
		enviar();
		return false;
	} else {
		return true;
	}
}