rem: overlap: function(mode, element) { if (!mode) return 0; if (mode == 'vertical') return ((this.offset[1] + element.offsetHeight) - this.ycomp) / 
add: overlap: function(mode, element) { if (!mode) return 0; if (mode == 'vertical') return ((this.offset[1] + element.offsetHeight) - this.ycomp) / 
context:   overlap: function(mode, element) {    if (!mode) return 0;    if (mode == 'vertical')      return ((this.offset[1] + element.offsetHeight) - this.ycomp) /        element.offsetHeight;    if (mode == 'horizontal')      return ((this.offset[0] + element.offsetWidth) - this.xcomp) /        element.offsetWidth;  },
meta: 1782	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1782/3f0bcc29b1d13b6ec87c6b75980c7f271e175e80/prototype.js/buggy/webapp/sandbox/scripts/prototype.js