var iNms = new Array('home','marketplace','forum','registry','calendar','listening','jobs');
var iMs = new Array();
var iMsn = new Array();
for(i=0;i<iNms.length;i++){
	iMs[iNms[i]] = new Image;
	iMs[iNms[i]].src = '/thgfx/bar/' + iNms[i] + '.gif';
	iMsn[iNms[i]] = new Image;
	iMsn[iNms[i]].src = '/thgfx/bar/' + iNms[i] + '_on.gif';
}
function hL(img, whc){
	document[img].src = whc == 'on' ? iMsn[img].src : iMs[img].src;
}