public void newLine() {
		if (this.curLine >= this.lines.length - 1) {
			
			StringBuffer first = this.lines[0];
			for (int i = 0; i < this.lines.length; ++i) {
				if (i + 1 >= this.lines.length) {
					this.lines[i] = first;
					first.setLength(0);
				} else {
					this.lines[i] = this.lines[i + 1];					
				}
			}
		} else {
			this.curLine++;
		}
	}