PreloadNormalImage("img_left",web_root_web+"cz/img/arrow-left.png");
PreloadRolloverImage("img_left",web_root_web+"cz/img/arrow-left-rollover.png");


PreloadNormalImage("img_right",web_root_web+"cz/img/arrow-right.png");
PreloadRolloverImage("img_right",web_root_web+"cz/img/arrow-right-rollover.png");