function GetCookieVal(offset)    
{   
	var endstr = document.cookie.indexOf (";", offset);   
	if (endstr == -1)      
		endstr = document.cookie.length;   
	return unescape(document.cookie.substring(offset, endstr));   
}
function GetCookie(name)    
{   
	var arg = name + "=";   
	var alen = arg.length;   
	var clen = document.cookie.length;   
	var i = 0;   
	while (i < clen)
	{      
		var j = i + alen;      
		if (document.cookie.substring(i, j) == arg)         
			return GetCookieVal (j);      
		i = document.cookie.indexOf(" ", i) + 1;      
		if (i == 0)          
			break;       
	}  
	return null;   
}
function SetCookie(name,value)    
{   
	var argv = SetCookie.arguments;   
	var argc = SetCookie.arguments.length;   
	var expires = (2 < argc) ? argv[2] : null;   
	var path = (3 < argc) ? argv[3] : null;   
	var domain = (4 < argc) ? argv[4] : null;   
	var secure = (5 < argc) ? argv[5] : false;   
	document.cookie = name + "=" + escape (value) +     ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +     ((path == null) ? "" : ("; path=" + path)) +     ((domain == null) ? "" : ("; domain=" + domain)) +  ((secure == true) ? "; secure" : "");   
}
function SetTitle(titleidx)
{
	switch (titleidx)
	{
		default:
		case 0: titulka1.innerHTML = "<a href=\"Image/PoljakMaledives/Eretmochelys_imbricata.jpg\"><img src=\"Image/titulka7.jpg\"></a>";
				titulka2.innerHTML = "Foto: P.Poljak";
	  			break;

		case 1: titulka1.innerHTML = "<a href=\"Image/schmidt/egypt1.jpg\"><img src=\"Image/titulka11.jpg\"></a>";
				titulka2.innerHTML = "";
	  			break;

		case 2: titulka1.innerHTML = "<a href=\"Image/slacik/iuventa1.jpg\"><img src=\"Image/titulka12.jpg\"></a>";
				titulka2.innerHTML = "";
	  			break;

		case 3: titulka1.innerHTML = "<a href=\"Image/PoljakMaledives/Gymnothorax_favagineus.jpg\"><img src=\"Image/titulka6.jpg\"></a>";
				titulka2.innerHTML = "Foto: P.Poljak";
	  			break;

		case 4: titulka1.innerHTML = "<a href=\"Image/PoljakMaledives/Annella_mollis.jpg\"><img src=\"Image/titulka8.jpg\"></a>";
				titulka2.innerHTML = "Foto: P.Poljak";
  				break;

		case 5: titulka1.innerHTML = "<a href=\"Image/PoljakMaledives/Cheilinus_undulatus.jpg\"><img src=\"Image/titulka3.jpg\"></a>";
				titulka2.innerHTML = "Foto: P.Poljak";
  				break;

		case 6: titulka1.innerHTML = "<a href=\"Image/Kois/bager4.jpg\"><img src=\"Image/titulka1.jpg\"></a>";
				titulka2.innerHTML = "";
  				break;

		case 7: titulka1.innerHTML = "<a href=\"Image/Album/P2-07.jpg\"><img src=\"Image/titulka4.jpg\"></a>";
				titulka2.innerHTML = "";
	  			break;

		case 8: titulka1.innerHTML = "<a href=\"Image/PoljakMaledives/Carcharhinus_albimarginatus.jpg\"><img src=\"Image/titulka10.jpg\"></a>";
				titulka2.innerHTML = "Foto: P.Poljak";
	  			break;

		case 9: titulka1.innerHTML = "<a href=\"Image/PoljakMaledives/Amphiprion_nigripes.jpg\"><img src=\"Image/titulka13.jpg\"></a>";
				titulka2.innerHTML = "Foto: P.Poljak" 
	}
}
function GenerateTitle()
{
	var index = GetCookie("titleindex");
	var version = GetCookie("titleversion");
		
	if (version != "13")
	{
		index = "0";
		version = "13";
	}		

	switch (index)
	{
		default:
		case "0": SetTitle(0);
				  index = "1";
  				  break;

		case "1": SetTitle(1);
				  index = "2";
  				  break;

		case "2": SetTitle(2);
				  index = "3";
  				  break;

		case "3": SetTitle(3);
				  index = "4";
  				  break;
					
		case "4": SetTitle(4);
				  index = "5";
	  			  break;

		case "5": SetTitle(5);
				  index = "6";
	  			  break;

		case "6": SetTitle(6);
				  index = "7";
	  			  break;

		case "7": SetTitle(7);
				  index = "8";
	  			  break;

		case "8": SetTitle(8);
				  index = "9";
	  			  break;

		case "9": SetTitle(9);
				  index = "0";
	  			  break;
	}
		
	var expdate = new Date();   
	expdate.setTime(expdate.getTime() +  (24 * 60 * 60 * 1000 * 365));    
	SetCookie("titleindex", index, expdate, "/", null, false);   
	SetCookie("titleversion", version, expdate, "/", null, false);   
}