function submitEnter(e,formulario){
                var keycode;
                if (ie==1){
                    //e=window.event;
                    keycode = window.event.keyCode;
                    e.cancelBubble=true;
                }
                if (ie==0){
                    keycode = e.which;
                    e.stopPropagation();   
                }
              //  alert(keycode);
                if (keycode == 13) 
                    formulario.submit();
            
                return true;
}