function ad_pic(a,s,w,h){
document.write ("<a href="+a+ " target=_blank><img src="+s+" border=0 width="+w+" height="+h+"></a>");
	 }
document.write("<table width='983' height='23' border='0' cellpadding='0' cellspacing='0' background='http://www.it.com.cn/images/0715_topbg.gif'>");
document.write("  <tr> ");
document.write("      <td width='10' ><a href='http://www.it.com.cn' target='_top'><img src='http://www.it.com.cn/images/logo_it.gif' width='72' height='23' border='0'></a></td>");
document.write("      <td nowrap style='line-height:23px'>");
document.write("      <A href=http://www.it.com.cn/ target=_top>首页</A> | <A href=http://www.it.com.cn/mobile/ target=_top>手机</A> | <A href=http://www.it.com.cn/notebook/ target=_top>笔记本</A> ");
document.write("      | <A href=http://www.it.com.cn/diy/ target=_top>硬件</A> | <A href=http://www.it.com.cn/audio/ target=_top>MP3</A> ");
document.write("      | <A href=http://www.it.com.cn/dc/ target=_top>DC</A> | <A href=http://www.it.com.cn/dv/ target=_top>DV</A> ");
document.write("      | <a href=http://www.it.com.cn/desktop/ target=_top>品牌机</a> | ");
document.write("      <a href=http://www.it.com.cn/office/ target=_top>办公</a> | <a href=http://www.it.com.cn/network/ target=_top>网络</a> ");
document.write("      | <a href=http://www.it.com.cn/server/ target=_top>服务器</a> | ");
document.write("      <a href=http://www.it.com.cn/projector/ target=_top>投影机</a> | ");
document.write("      <A href=http://www.it.com.cn/news/ target=_top>新闻</A> | <A href=http://www.it.com.cn/games/ target=_top>游戏</A> ");
document.write("      | <A href=http://www.it.com.cn/edu/ target=_top>学院</A> ");
if(screen.width > 800){
document.write(' | <A href=http://download.it.com.cn/ target=_top>下载</A> | <A href=http://bbs.it.com.cn/ target=_top>论坛</A> | <A href=http://shop.it.com.cn/ target=_top><font color=red>商城</font></A>  | <A href=http://www.it.com.cn/market/ target=_top>行情</A> | <A href=http://www.it.com.cn/market/bj/ target=_top>北京</A> <A href=http://www.it.com.cn/market/sh target=_top>上海</A> <A href=http://www.it.com.cn/market/gz/ target=_top>广州</A>');
}
document.write("</td>");
document.write("  </tr><tr><td height=1 bgcolor=#ffffff colspan=2></td></tr>");
document.write("</table>");