//Muestra alerta modal
function AbreAlertaModal(lstrMensaje) {
    if (lstrMensaje!='NULL' && lstrMensaje!='') {
        alert(lstrMensaje);
    }
}


//Abre ventana no modal
function AbreVentanaNoModal(lstrVentana) {
    if (lstrVentana!='NULL') {
        showModelessDialog(lstrVentana,null,'resizable:yes');
    }
}


//Displays time in status bar
function doStatusBarClock() {
    window.setTimeout( "doStatusBarClock()", 1000 );
    today = new Date();
    self.status = today.toString();
}
doStatusBarClock()


// Dissables right click
var message="Por favor use el boton izquierdo";
function click(e)
   {
		if (document.all) {
			if (event.button == 2) {
				alert(message);
				return false;
			}
		}
		if (document.layers) {
			if (e.which == 3) {
				alert(message);
				return false;
			}
		}
   }
   if (document.layers) {
      document.captureEvents(Event.MOUSEDOWN);
   }
//   document.onmousedown=click;

 
// Dissables back command
javascript:window.history.forward(1); 

 
// Dissables refresh command
    function showDown(evt) {
        evt = (evt) ? evt : ((event) ? event : null);
        if (evt) {
            if (event.keyCode == 8 && (event.srcElement.type != "text" && event.srcElement.type != "textarea" && event.srcElement.type != "password")) {
                // When backspace is pressed but not in form element
                cancelKey(evt);
            }
            else if (event.keyCode == 116) {
                // When F5 is pressed
                cancelKey(evt);
            }
            else if (event.ctrlKey && (event.keyCode == 78 || event.keyCode == 82)) {
                // When ctrl is pressed with R or N
                cancelKey(evt);
            }
        }
    }

    function cancelKey(evt) {
        if (evt.preventDefault) {
            evt.preventDefault();
            return false;
        }
        else {
            evt.keyCode = 0;
            evt.returnValue = false;
        }
    }

    // Additional code for NS
    if (navigator.appName=="Netscape") {
        document.addEventListener("keypress",showDown,true);
    }
    document.onkeydown  = showDown;