function ShowItem(curItem) {
    var items = new Array(
        //new Array('messageList.php?module_id=0&forum=img_news','图片新闻'),
		new Array('messageList.php?module_id=0&forum=dt','培训动态'),
        new Array('messageList.php?module_id=1&forum=tz','培训通知')
        //new Array('messageList.php?module_id=2&forum=dt','培训动态')

    );
    document.write('        <!--*****BEGIN SECONDARY COLUMN*****-->\n');
    document.write('        <div class="columnSecondary">\n');
    document.write('            <!--*****BEGIN SECTION HEADER IMAGE AND TEXT*****-->\n');
    document.write('            \n');
    //var i = Math.ceil(10*Math.random());
    //document.write('            <img src="./images/sample_'+ i +'.jpg" class="contextImage">\n');
    document.write('            <img src="./images/sample.jpg" class="contextImage">\n');
    document.write('            <div class="contextHeader"></div>\n');
    document.write('\n');
    document.write('            <div><img src="./images/contextImageOverlay.png" class="contextImageOverlay"></div>\n');
    document.write('            <!--*****END SECTION HEADER IMAGE AND TEXT*****-->\n');
    document.write('\n');
    document.write('        <ul class="navigationContextual">\n');
    for (var i=0; i<items.length; i++) {
        if (i==curItem) {
            document.write('                <li class="selected"><a href="' + items[i][0] + '">' + items[i][1] + '</a></li>\n');
        }
        else {
            document.write('                <li><a href="' + items[i][0] + '">' + items[i][1] + '</a></li>\n');
        }
    }
    document.write('        </ul>         \n');
    document.write('\n');
    document.write('        </div>\n');
    document.write('        <!--*****END SECONDARY COLUMN*****-->\n');
}