rem: if (obj) Element.removeClassName(obj, this.highlightClass); 
add: if (obj) { var classes = $w(this.highlightClass); for (var i = 0; i < classes.length; i++) Element.removeClassName(obj, classes[i]); } 
context: 	highlightActiveItem: function(frameSetModule, highlightID) {		this.frameSetModule = frameSetModule;		// Remove all items that are already highlighted		obj = $(top.fsMod.navFrameHighlightedID[frameSetModule]);		if (obj) Element.removeClassName(obj, this.highlightClass);		// Set the new item		top.fsMod.navFrameHighlightedID[frameSetModule] = highlightID;		if ($(highlightID)) Element.addClassName(highlightID, this.highlightClass);	}
meta: 9100	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9100/7a2d7f9a9ad46871f92b154aceeb25f51219a0cd/tree.js/clean/typo3/tree.js