css实现会折叠、展开的菜单导航栏效果

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=""
}
}



导航栏
td { cursor: hand; font-family: Tahoma; background-color: #336699; color: #99CCFF;
font-size: 10pt }
li{ color: #FF0000; font-family: Tahoma; background-color: #99CCFF; font-size: 9pt}
.up{ background-color: #3A6EA5; border-left: 1 solid #A6C1DF;border-right: 1 solid #002200; border-top: 1 solid #A6C1DF; border-bottom: 1 solid #002200 }






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[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]