/**********************************************************************

	BioWare Javascript File

	

	File: rollover.js

	

	Description: Code for creating rollovers, and modified for use with HierMenus

	

	Created: Robin Mayne, April 11, 2002 Copyright 2002 BioWare Corp.

***********************************************************************	

	Version: 0.0.1

	

	Version History:

		0.0.1 / 11.04.02 / Created / RM



***********************************************************************/



// ------------------------ Rollover scripts ------------------------ 

var index = 0;

var imgobj = new Array();



function preloader(name, onimg, offimg) {

    imgobj[index] = new Array(3);

    imgobj[index][0] = new Image();

    imgobj[index][0].src = onimg;

    imgobj[index][1] = new Image();

    imgobj[index][1].src = offimg;

    imgobj[index][2] = name;

    index++;

}



function imgRoll(name, on) {

	if (HM_NS4 && (!document.images[name])){

		// Fix for Netscape 4 div bug - find image in document.layers object instead (will NOT work for nested divs)

		for (a = 0; a < document.layers.length; a++) {

			if (document.layers[a].document.images[name]) {

				for (i = 0; i < index; i++) {

					if (name == imgobj[i][2]) document.layers[a].document.images[imgobj[i][2]].src = (on) ? imgobj[i][1].src : imgobj[i][0].src;

				}

			return true;

			}

		}

	} else {

		for (i = 0; i < index; i++) {

			if (name == imgobj[i][2]) document.images[imgobj[i][2]].src = (on) ? imgobj[i][1].src : imgobj[i][0].src;

		}

	}

}



/*

Template code for image rollovers



For use with HierMenus:

<a href="#" onmouseover="onmouseSwitch('imagename','on','1',event)" onmouseout="onmouseSwitch('imagename','off','1')"><img border="0" name="imagename" src="path/to/image.gif" /></a>



Stand-alone use:

<a href="#" onmouseover="imgRoll('imagename',true)" onmouseout="imgRoll('imagename',false)"><img border="0" name="imagename" src="path/to/image.gif" /></a>



*/



// Determine wether mouseover will trigger Menu or rollover only (for those browsers unable to display menu)

function onmouseSwitch(strImageName, strOnOff, strMenuNum, eventObj) {

	if (strOnOff == "on") { 		// onmouseover

		if (HM_IsMenu) {

			HM_f_PopUp('elMenu' + strMenuNum, eventObj); // Calling Menus

		}

		else {

			imgRoll(strImageName,true); // Calling Rollover only

		}

	}

	else { 							// onmouseout

		if (HM_IsMenu) {

			HM_f_PopDown('elMenu' + strMenuNum) // Calling Menus

		}

		else {

			imgRoll(strImageName,false); // Calling Rollover only

		}

	}

	

}