document.write('<table align=center border=0><tbody><tr><td><select name=mainclassid><option value=?>请选择项目</option><option value=/web/shdz/newssearch3_zh-cn.html?classid=746>新闻资讯</option><option value=/web/shdz/prodsearch4_zh-cn.html?classid=747>产品特区</option><option value=/web/shdz/rczp/index.html?>人才招聘</option></select></td></tr><tr><td><input type=text name=mnewkeyword size=8></td></tr><tr><td><input type=submit value=站内搜索 name=mB1 onclick=javascript:window.location=mainclassid.options[mainclassid.selectedIndex].value+"&newkeyword="+mnewkeyword.value; /><a href="#"></a></td></tr></tbody></table>');