function kolor(tekst) {
	cells = document.getElementsByTagName("td"); 
	for (var i=0; i<cells.length; i++)
	{ 
		if (cells[i].firstChild && cells[i].firstChild.nodeType == 3 && cells[i].firstChild.nodeValue == tekst)
		{
			if (cells[i].nextSibling.getElementsByTagName('code')[0])
			cells[i].className="x";
		}
	}
}


function unkolor(tekst) {
	cells = document.getElementsByTagName("td"); 
	for (var i=0; i<cells.length; i++)
	{ 
		if (cells[i].firstChild && cells[i].firstChild.nodeType == 3 && cells[i].firstChild.nodeValue == tekst)
		{
			if (cells[i].nextSibling.getElementsByTagName('code')[0])
			cells[i].className="";
		}
	}
}