rem: if (!sliding) return; 
add: if (!sliding) return true; 
context:     		addEvent(document, "mouseup", function(e) {    		    if (!sliding) return;                sliding = false;                var xy = getElClickXY(e, this.dom.navSlider);                this.updateNavSlider(xy[0]);    		}, this, true);
meta: 1170	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1170/f985a9eb2fc8737aab8b780e4b0935b60d6a700a/player.js/buggy/js/player.js