function voltar(){
	history.back();
}

function hidepass(){
   document.login.logpass1.style.display='none'; 
   document.login.logpass2.style.display='';
   document.login.logpass2.focus();
 }
 
function showpass(){
   document.login.logpass2.style.display='none'; 
   document.login.logpass1.style.display='';
   document.login.logpass1.focus();
}
 
function setEnd (el) {
 if (el.createTextRange) {
   var FieldRange = el.createTextRange();
   FieldRange.moveStart('character', el.value.length);
   FieldRange.collapse();
   FieldRange.select();
 }
}