rem: this.xcomp >= this.offset[0] && 
add: this.xcomp >= this.offset[0] && 
context:   withinIncludingScrolloffsets: function(element, x, y) {    var offsetcache = this.realOffset(element);    this.xcomp = x + offsetcache[0] - this.deltaX;    this.ycomp = y + offsetcache[1] - this.deltaY;    this.offset = this.cumulativeOffset(element);    return (this.ycomp >= this.offset[1] &&            this.ycomp <  this.offset[1] + element.offsetHeight &&            this.xcomp >= this.offset[0] &&             this.xcomp <  this.offset[0] + element.offsetWidth);  },
meta: 2930	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/2930/9867ca01ad65827d23c0bf6cc14d8a64137e927d/prototype.js/buggy/tracks/public/javascripts/prototype.js