//
//	Toggle.js
//	Lasse Voss / Veiko Schnabel 1999-09-08
//  Christoph Schuster 13.3.2000
//
//	FUNCTION: 	Toggles a layer i.e. changes_visibility_ and _zIndex_
//
//					toggle(layerName, mode)
//					-----------------------------------------------------
//					<LayerName>			Layer to be toggled
//					<mode>				"on" for _visible_
//										any other string for _hidden_
//
//

ns4 = (document.layers) ? true:false;
ie4 = (document.all) ? true:false;


function divstyleMembers(divName)
{
	if (document.layers)
	{
		return document.layers[divName];
	}
	else
	{
		if (document.all.tags("div")[divName])
		{
			return document.all.tags("div")[divName].style;
		}
	}
}

function toggle1(layerName, mode)
{

	if(divstyleMembers(layerName))
	{
		if (mode == "on")
		{	
			//divstyleMembers(layerName).zIndex = "10";
			divstyleMembers(layerName).visibility = "visible";
		} else {
			//divstyleMembers(layerName).zIndex = "1";
			divstyleMembers(layerName).visibility = "hidden";
		}
	}
	return false;
}


// ================================================================================================================================
//	function initScroller(strLayerWindowID, strLayerContentID)
//
//	Initializes object <scroller> with scrollable layer strLayerContentID clipped strLayerWindowID.
//
//	<scroller> methods:		up(), down(), left(), right()	: scrolls layer
//							stop()							: stops scrolling
//
//	Usage:
//			#scrollwindow	{ z-index:1; left:324px; top:162px; width:268px; height:220px; clip:rect(0px, 268px, 220px, 0px); position:absolute; visibility:visible; }
//			#scrollcontent	{ z-index:1; left:0px; top:0px; width:260px; position:absolute; visibility:visible; }
//			<a href="#" onClick="return false;" onMouseDown="scroller.up();" onMouseUp="scroller.stop();" onMouseOut="scroller.stop();">
//			
//	strLayerWindowID		-	id of container layer (define clipping in CSS for this layer)
//	strLayerContentID		-	id of content layer (nested within the container)
// ================================================================================================================================
function initScroller(strLayerWindowID, strLayerContentID, strLayerArrowsID)
{
	if (divstyleMembers(strLayerWindowID)) {
		// create scroller object
		scroller = new MiniScroll(new DynLayer(strLayerWindowID), new DynLayer(strLayerContentID));
	
		if (scroller.enableVScroll) {
			// set scrolling parameters
			scroller.inc = 2;
			scroller.speed = (is.ns) ? 5 : 10;
			
			// make arrow layer visible
			toggle(strLayerArrowsID, "on");
		} else {
			// scrolling not needed, hide arrow layer
			toggle(strLayerArrowsID, "off");
		}		
	}
	return false;
}