rem: pointerX: function(event) { return event.pageX || (event.clientX + (document.documentElement.scrollLeft || document.body.scrollLeft)); }, 
add: pointerX: function(event) { return Event.pointer(event).x }, 
context:   pointerX: function(event) {    return event.pageX || (event.clientX +      (document.documentElement.scrollLeft || document.body.scrollLeft));  },
meta: 9100	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9100/2d4247a14ff4ce25ad80cbc65b787dfde7ddb16e/prototype.js/buggy/typo3/contrib/prototype/prototype.js