// Rollover  v1.0

// http://www.dithered.com/javascript/rollover/index.html

// code by Chris Nott (chris@NOSPAMdithered.com - remove NOSPAM)



var rolloverImageOff = new Array();

var rolloverImageOn = new Array();

var rolloverCurrent = '';





// Preload rollover images

function rolloverInit() {

	if (document.images) {

		

		// for each rollover, preload both states and put filename in an associative array

		for (var i = 0; i < rolloverImageOnFiles.length; i++) {

			rolloverCurrentName = rolloverImageTagNames[i];



			rolloverImageOff[rolloverCurrentName] = new Image();

			rolloverImageOn[rolloverCurrentName] = new Image();

			rolloverImageOff[rolloverCurrentName].src = rolloverImageDirectory + rolloverImageOffFiles[i];

			rolloverImageOn[rolloverCurrentName].src = rolloverImageDirectory + rolloverImageOnFiles[i];

		}

	}

}





// On state activation

function rolloverOn(img, layer) {

	if (document.images && rolloverImageOn[img]) {

		

		// rollovers in layers in NS4 require a different image reference

		if (layer != null && document.layers) {

			if (typeof(layer) == 'object') layer.document.images[img].src = rolloverImageOn[img].src;

			else if (typeof(layer) == 'string') eval('document.layers["' + layer + '"].document.images[img].src = rolloverImageOn[img].src');

		}

		

		// non-layer rollovers in NS4 and all rollovers in other browsers

		else if (document.images[img]) document.images[img].src = rolloverImageOn[img].src;

	}

}





// Off state activation

function rolloverOff(img, layer) {

	if (document.images && rolloverImageOff[img]) {



		// rollovers in layers in NS4 require a different image reference

		if (layer != null && document.layers) {

			if (typeof(layer) == 'object') layer.document.images[img].src = rolloverImageOff[img].src;

			else if (typeof(layer) == 'string') eval('document.layers["' + layer + '"].document.images[img].src = rolloverImageOff[img].src');

		}

		

		// non-layer rollovers in NS4 and all rollovers in other browsers

		else if (document.images[img]) document.images[img].src = rolloverImageOff[img].src;

	}

}





// Rollover with state function (not used in standard rollovers; included for flexability)

function rolloverSetCurrent(img) {

	if (rolloverCurrent) rolloverOff(rolloverCurrent);

	rolloverCurrent = img;

	rolloverOn(rolloverCurrent);

}