var maxHeight = 44;
function init() {				
	var flexEl = YAHOO.util.Dom.getElementsByClassName('flexihide');
	if (flexEl.length > 0) {	
		// parse el regio
		var regions = YAHOO.util.Dom.getRegion(flexEl);
		for (i in regions) {
			if ((regions[i].bottom-regions[i].top) > maxHeight) YAHOO.util.Dom.setStyle(flexEl[i], 'height', maxHeight + 'px');
		}
	}
}

YAHOO.util.Event.onDOMReady(init);