var menu1=new Array()
menu1[0]='<a href="../products/products1.htm"><b>产品介绍</b></a>'

var menu2=new Array()
menu2[0]='<a href="database1.htm"><b>工程师资料库主页</b></a><br><br>'
menu2[1]='<a href="database2a.htm"><b>应用笔记</b></a><br><br>'
menu2[2]='<a href="database3.htm"><b>样例</b></a><br><br>'
menu2[3]='<a href="database4.htm"><b>数据手册/硬件手册</b></a><br><br>'
menu2[4]='<a href="database5.htm"><b>产品选型指南</b></a><br><br>'
menu2[5]='<a href="database6.htm"><b>开发系统</b></a><br><br>'
menu2[6]='<a href="database7.htm"><b>相关资料下载</b></a>'

var menu3=new Array()
menu3[0]='<a href="../service/service1.htm"><b>技术支持主页</b></a><br><br>'
menu3[1]='<a href="../service/service2.htm"><b>相关网站</b></a>'