function showgallerydesc(divname)
{
	if(window[divname].style.display=='none')
	{
		window[divname].style.display='block'
		window.btntitle.innerText='Description [-]'
	}
	else
	{
		window[divname].style.display='none';
		window.btntitle.innerText='Description [+]'
	}
}