// Show and hide Lists for Technical DataSheets
var noOfLayers = 11; /* Should always be one more than the number of lists */
window.onload = hideLists;
/* ----- Hide all lists on page Load. If Javascript disabled - Lists will show. ----- */
function hideLists() {
	for (var i = 1; i < noOfLayers; i ++)
	{
		document.getElementById('techList' + i).style.display = "none";
	}
}

/* ----- Hide all lists then show selected list ----- */
function showList(layerName) {
	/* -- Get status before hiding all layers -- */
	var status = document.getElementById('techList' + layerName).style.display;
	
	/* -- Loop through layers and hide / change image to plus -- */
	//for (var i = 1; i < noOfLayers; i ++)
	//{
	//	document.getElementById('techList' + i).style.display = "none";
	//	document.getElementById('techListImg' + i).src = "images/icon-plus.gif";
	//}
	
	
	/* -- check if layer hidden-- */
	if ( status == "none" )
	{
		document.getElementById('techList' + layerName).style.display = "block";
		document.getElementById('techListImg' + layerName).src = "images/icon-minus.gif";
	}
	else
	{
		document.getElementById('techList' + layerName).style.display = "none";
		document.getElementById('techListImg' + layerName).src = "images/icon-plus.gif";
	}
}