top.Navwin = self;

function roll(name,over){
	if(top.Navwin.document.images) {
		if (over)
			top.Navwin.document.images[name].src = "imag/" + name + "_on.gif";
		else
			top.Navwin.document.images[name].src = "imag/" + name + ".gif";
	}
}

function roll_i(name,over){
	if(top.Navwin.document.images) {
		if (over)
			top.Navwin.document.images[name].src = "web/imag/" + name + "_on.gif";
		else
			top.Navwin.document.images[name].src = "web/imag/" + name + ".gif";
	}
}

function isEmpty (inputStr)
{
  if (inputStr == null || inputStr == "") return true;
  return false;
}
function isNotEmail (inputStr)
{
  if (isEmpty(inputStr) || inputStr.indexOf("@")==-1 || inputStr.indexOf(".")==-1 || inputStr.length<6) return true;
  return false;
}	
function chequea_form(form)
{		
  if (form.txtapellido.value == "")
  {
    alert ("Por favor indique su nombre y apellido");
    form.txtapellido.focus();
    return false;		
  }
  if (form.txtempresa.value == "")
  {
      alert ("Por favor indique su empresa");
      form.txtempresa.focus();
      return false;		
  }
  if (isNotEmail(form.txtemail.value))
  {
      alert ("Intoduzca su direccion de correo electrónico");
      form.txtemail.focus();
      return false;		
  }
  if (form.txttel.value == "")
  {
      alert ("Por favor indique Telefono");
      form.txttel.focus();
      return false;		
  }
  return true;
}

var myimages=new Array()

function preloadimages(){
	for (i=0;i<preloadimages.arguments.length;i++){
	myimages[i]=new Image()
	myimages[i].src=preloadimages.arguments[i]
	}
}

preloadimages("imag/s_menu_p_ofi_esp_on.gif","imag/s_menu_p_edi_esp_on.gif","imag/s_menu_p_dep_esp_on.gif","imag/s_menu_p_cyph_esp_on.gif","imag/s_menu_p_cybp_esp_on.gif",
			  "imag/s_menu_p_cam_esp_on.gif","imag/s_menu_e_p_esp_on.gif","imag/s_menu_e_nn_esp_on.gif","imag/s_menu_e_i_esp_on.gif","imag/s_menu_e_h_esp_on.gif",
			  "imag/s_menu_e_c_esp_on.gif","imag/menu_p_p_esp_on.gif","imag/menu_p_e_esp_on.gif","imag/menu_p_c_esp_on.gif","imag/bot_intro_on.gif")