rem: x = this.clientX+Window.getScrollLeft(); y = this.clientY+Window.getScrollTop(); var el = $(el).getPosition(); return (x > el.left && x < el.right && y < el.bottom && y > el.top); 
add: el = el.getCoordinates(this.options.overflown); return (this.mouse.now.x > el.left && this.mouse.now.x < el.right && this.mouse.now.y < el.bottom && this.mouse.now.y > el.top); 
context: 	checkAgainst: function(el){		x = this.clientX+Window.getScrollLeft();		y = this.clientY+Window.getScrollTop();		var el = $(el).getPosition();		return (x > el.left && x < el.right && y < el.bottom && y > el.top);	},
meta: 3891	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3891/03c9c00aa7fdb2f2d8571e7665048da8759cf30a/mootools-uncompressed.js/buggy/includes/js/mootools-uncompressed.js