function PokazUkryj(prefiks, symbol, pathToIcons)
{
	var id = prefiks + "_" + symbol;
	var id_img = prefiks + "_" + symbol + "_ec";
	var id_row = prefiks + "_" + symbol + "_row";
	var id_cell = prefiks + "_" + symbol + "_cell";
	
	var el = document.getElementById(id);
	var img = document.getElementById(id_img);
	var row = document.getElementById(id_row);
	var cell = document.getElementById(id_cell);
	
	if(el.style.display == 'block')
	{
		el.style.display = 'none';
		row.className = "";
		if(img != null)
			img.src = pathToIcons + "expand.png";
	}
	else
	{
		el.style.display = 'block';
		row.className = "details-tr";
		if(img != null)
			img.src = pathToIcons + "collapse.png";
	}
	
	var tab = document.getElementById("list").getElementsByTagName("div");
	for(var i = 0; i < tab.length; i++)
	{
		element = tab[i];
		if(element.id != id)
		{
			if(element.id == "")
				continue;
			
			el = document.getElementById(element.id);
			img = document.getElementById(element.id + "_ec");
			row = document.getElementById(element.id + "_row");
			cell = document.getElementById(element.id + "_cell");
			row.className = "";
			
			if(el != null)
				el.style.display = 'none';
			
			if(img != null)
				img.src = pathToIcons + "expand.png";
		}
	}
	
	return true;
}