function checkmenuOn()
{
	submenu=getCookie("ciastko");
	if(submenu){
		if(document.getElementById("MF"+submenu)!=null) document.getElementById("MF"+submenu).className="NavMenuLinksExpanded";
		if(document.getElementById("MB"+submenu)!=null) document.getElementById("MB"+submenu).style.backgroundImage= "url(graphics/buttons/NavMenuButtonOver.png)";
	}
}

function submenuOnOff(id) {

	_SubMenu= document.getElementById("MF"+id);
	_MenuButton = document.getElementById("MB"+id);
	
	submenu=getCookie("ciastko");
	setCookie("ciastko",id);
	if(_SubMenu.className=="NavMenuLinksCollapsed")
	{
			if(submenu){
			//zwijanie
			//alert("submenu= "+submenu);

			 if(document.getElementById("MF"+submenu)!=null) document.getElementById("MF"+submenu).className="NavMenuLinksCollapsed";
			 if(document.getElementById("MB"+submenu)!=null) document.getElementById("MB"+submenu).style.backgroundImage = "url(graphics/buttons/NavMenuButtonUp.png)";
			}

	//rozkladanie
	//alert("rozkladanie")
		_SubMenu.className = "NavMenuLinksExpanded";
		_MenuButton.style.backgroundImage = "url(graphics/buttons/NavMenuButtonOver.png)";
		
	}
	else
	{
	//zwijanie
	//alert("zwijanie");
		_SubMenu.className= "NavMenuLinksCollapsed";
		_MenuButton.style.backgroundImage = "url(graphics/buttons/NavMenuButtonUp.png)";
		setCookie("ciastko",0);
	}

}

function setCookie(name,value)
{
document.cookie = name + "=0; path=/ ;  expires=Thu, 01-Jan-70 00:00:01 GMT;";
document.cookie = name + "=" + escape(value)+"; "+ "path=/ ;";
}

function getCookie(name)
{
	var found=false;
	var start=0;
	var koniec=0;
	var val=0;
	var i=0;

	while (i<=document.cookie.length)
	{
	start=i;
	koniec=start+name.length;
	
	if(document.cookie.substring(start,koniec)==name)
		{
		found=true;
		break;
		}
	i++;	
	} //while
	
	if(found)
	{
		start=koniec+1;
		koniec = document.cookie.indexOf(";", start);

		if(koniec<start)
			koniec=document.cookie.length;

		val = document.cookie.substring(start, koniec);
	}
	else
		return 0;

return val;
}