function showTab(a,b,d,c){$get(a).className="show";$get(b).className="hide";removeCssClass($get(c),"current");addCssClass($get(d),"current");fixIEHeight();return false}function quizHideShow(a,d){var c=$get(a);var b=$get(d);c.className="hide";b.className="show";adjustToolsHeight();fixIEHeight()};