osCommerce / oscommerce2

			//ImageLine($this->img,($this->xtr($this->plot_max_x)+$this->tick_length),

			//	$y_pixels,$this->xtr($this->plot_max_x)-1,$y_pixels,$this->ndx_tick_color);

			if ($this->draw_x_grid == 1) {

				ImageLine($this->img,$x_pixels,$this->plot_area[1],

					$x_pixels,$this->plot_area[3], $this->ndx_light_grid_color);

			}

			if ($this->x_datalabel_angle == 90) {  //Vertical Code Submitted by Marlin Viss

 			   ImageStringUp($this->img, $this->small_font,

		$y_pixels = $this->ytr($which_ypos);

		//Lines Across the Plot Area

		if ($this->draw_y_grid == 1) {

			ImageLine($this->img,$this->plot_area[0]+1,$y_pixels,

				$this->plot_area[2]-1,$y_pixels,$this->ndx_light_grid_color);

		}

		//Ticks to the Left of the Plot Area

		if (($this->vert_tick_position == "plotleft") || ($this->vert_tick_position == "both") ) {