function AddFavorite(linkObj,addUrl,addTitle)
    {
      if (document.all && !window.opera)
      {
        window.external.AddFavorite(addUrl,addTitle);
        return false;
      }
      else if (window.opera && window.print)
      {
        linkObj.title = addTitle;
        return true;
      }
      else if ((typeof window.sidebar == 'object') && (typeof window.sidebar.addPanel == 'function'))
      {
      }
       return false;
    }

function Menu_Wiew()

{
menu.style.visibility = 'visible';
}

function Menu_Hide()

{
menu.style.visibility = 'hidden';
}

function Menu_Hidden()

{
Menu_Hide();

}

function Menu_Wiew1()

{
menu1.style.visibility = 'visible';
}

function Menu_Hide1()

{
menu1.style.visibility = 'hidden';
}

function Menu_Hidden1()

{
Menu_Hide1();
}


function Menu_Wiew2()

{
menu2.style.visibility = 'visible';
}

function Menu_Hide2()

{
menu2.style.visibility = 'hidden';
}

function Menu_Hidden2()

{
Menu_Hide2();
}

function Kontrola_vstupnich_udaju(obj)
{ 
	if (obj.vyse_uveru.value == "")
   {
     alert ("Nezadali jste výši úvěru!");
		 return false;
	 }

	if (obj.akontace.value == "0")
   {
     alert ("Nezadali jste výši akontace!");
		 return false;
	 }

	if (obj.delka_splaceni.value == "0")
   {
     alert ("Nezadali jste délku splácení!");
		 return false;
	 }
}