rem: if (!el) return; 
add: if (!el) return; 
context: function sliderClick(e) {	var el=sliderFromEvent(e);    if (!el) return;	setSliderByClientX(el, e.clientX);}
meta: 3428	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3428/def5290360443391339880f9a7d38972f4ef1580/slider.js/clean/code/javascript/tests/html/slider/example_files/slider.js