var aImgPreloader = new Array;
// imageName, imageSrc, imageOverSrc
// add a new line for each img that needs to be preloaded
//var urlRoot="http://192.168.0.73/BuildAnArsenal/layout/";
// to have the script work in multiple directories, define the siteRoot variable before including this script

/* usage:

<a href="specimen.html" onmouseover="roll('specimen',true);" onmouseout="roll('specimen');"><img 
src="images/specimen.jpg" name="specimen" id="specimen" border="0" alt="Specimen Plants"></a>

*/


var urlRoot=siteRoot + "layout/";
aImgPreloader[aImgPreloader.length] = new Array('linkhome',urlRoot+'linkhome.gif',urlRoot+'linkhome_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('linklogin',urlRoot+'linklogin.gif',urlRoot+'linklogin_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('linklogout',urlRoot+'linklogout.gif',urlRoot+'linklogout_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('linkabout',urlRoot+'linkabout.gif',urlRoot+'linkabout_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('linkcontact',urlRoot+'linkcontact.gif',urlRoot+'linkcontact_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('linklinks',urlRoot+'linklinks.gif',urlRoot+'linklinks_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('linkfaq',urlRoot+'linkfaq.gif',urlRoot+'linkfaq_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('linktips',urlRoot+'linktips.gif',urlRoot+'linktips_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('linkvideos',urlRoot+'linkvideos.gif',urlRoot+'linkvideos_mo.gif')


// load up image container object based on previous array
var oImgContainer = new Object;
for(i=0;i<aImgPreloader.length;i++){
	if(document.images){
		oImgContainer[aImgPreloader[i][0]] = new Image;
		oImgContainer[aImgPreloader[i][0]].src = aImgPreloader[i][1];
		oImgContainer[aImgPreloader[i][0] + 'On'] = new Image;
		oImgContainer[aImgPreloader[i][0] + 'On'].src = aImgPreloader[i][2];
	}
}

// rollover function
// image name (sImg) corresponds with aImgPreloader and name attribute of tag
function roll(sImg,bOver){
	if(document.images){
		if (bOver) {
			document.images[sImg].src = oImgContainer[sImg + 'On'].src;
		} else {
			document.images[sImg].src = oImgContainer[sImg].src;


		}
	}
}