css实现会折叠、展开的菜单导航栏效果_导航菜单

<script> function show(c_Str) {if(document.all(c_Str).style.display=='none') {document.all(c_Str).style.display='block';} else{document.all(c_Str).style.display='none';}} function high(){ if (event.srcElement.className=="k"){ event.srcElement.style.background="336699" event.srcElement.style.color="white" } } function low(){ if (event.srcElement.className=="k"){ event.srcElement.style.background="99CCFF" event.srcElement.style.color="" } } </script> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>瀵艰</title>