function layers(strDivName)
{
	//Loop through layers
	for(var i = 0; i < arrLayers.length; i++)
	{
		//If layer != requested layer, then hide, if layer already is open, hide also.
		//Else unhide layer
		if(document.getElementById(arrLayers[i]))
		{
			if(arrLayers[i] != strDivName || arrState[i] == '1')
			{
				//Hide
				document.getElementById(arrLayers[i]).style.display="none";
				document.getElementById(arrLayers[i]).style.visibility="hidden";
				arrState[i]='0';
			}
			else
			{
				//Unhide
				document.getElementById(arrLayers[i]).style.display="block";
				document.getElementById(arrLayers[i]).style.visibility="visible";
				arrState[i]='1';
			}
		}
	}
}