<html>
<head>
<TITLE>隱藏式菜單</TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<STYLE>
#ssm2 A
{ FONT-SIZE: 12px; COLOR: #808080; FONT-FAMILY: verdana; TEXT-DECORATION: none}
#ssm2 A:hover
{ COLOR: #ccff33}
</STYLE>
</HEAD>
<BODY>
<SCRIPT language="javascript">
//狀態(tài)欄顯示信息
function MM_displayStatusMsg(msgStr)
{
status=msgStr;
document.MM_returnValue = true;
}
//高亮顯示
function highlight(x)
{
document.forms[x].elements[0].focus()
document.forms[x].elements[0].select()
}
//菜單彈出時的處理
function MM_jumpMenu(targ,selObj,restore)
{
eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
if (restore) selObj.selectedIndex=0;
}
var NS;
IE=document.all;
NS=document.layers;
hdrFontFamily="Verdana";
hdrFontSize="2";
hdrFontColor="white";
hdrBGColor="#CCCCCC";
linkFontFamily="Verdana";
linkFontSize="2";
linkBGColor="white";
linkOverBGColor="#CCCCCC";
linkTarget="_top";
YOffset=60;
staticYOffset=20;
menuBGColor="#CCCCCC";
menuIsStatic="no";
menuHeader="主流索引"
menuWidth=150;
staticMode="advanced"
barBGColor="#C0C0C0";
barFontFamily="Verdana";
barFontSize="2";
barFontColor="white";
barText="導航菜單";
//鼠標移走時的菜單處理
function moveOut()
{
if (window.cancel)
{ cancel="";}
if (window.moving2)
{ clearTimeout(moving2);
moving2="";
}
if ((IE && ssm2.style.pixelLeft<0)||(NS && document.ssm2.left<0))
{
if (IE) {ssm2.style.pixelLeft += (5%menuWidth);
}
if (NS)
{
document.ssm2.left += (5%menuWidth);
}
moving1 = setTimeout('moveOut()', 5)
}
else {
clearTimeout(moving1)
}
};
function moveBack() {
cancel = moveBack1()
}
function moveBack1() {
if (window.moving1) {
clearTimeout(moving1)
}
if ((IE && ssm2.style.pixelLeft>(-menuWidth))||(NS && document.ssm2.left>(-150))) {
if (IE) {ssm2.style.pixelLeft -= (5%menuWidth);
}
if (NS) {
document.ssm2.left -= (5%menuWidth);
}
moving2 = setTimeout('moveBack1()', 5)}
else {
clearTimeout(moving2)
}
};
lastY = 0;
//根據瀏覽器類型設置菜單模式
function makeStatic(mode) {
if (IE) {winY = document.body.scrollTop;var NM=ssm2.style
}
if (NS) {winY = window.pageYOffset;var NM=document.ssm2
}
if (mode=="smooth") {
if ((IE||NS) && winY!=lastY) {
smooth = .2 * (winY - lastY);
if(smooth > 0) smooth = Math.ceil(smooth);
else smooth = Math.floor(smooth);
if (IE) NM.pixelTop+=smooth;
if (NS) NM.top+=smooth;
lastY = lastY+smooth;
}
setTimeout('makeStatic("smooth")', 1)
}
else if (mode=="advanced") {
if ((IE||NS) && winY>YOffset-staticYOffset) {
if (IE) {NM.pixelTop=winY+staticYOffset
}
if (NS) {NM.top=winY+staticYOffset
}
}
else {
if (IE) {NM.pixelTop=YOffset}
if (NS) {NM.top=YOffset-7 }
}
setTimeout('makeStatic("advanced")', 1)
}
}
//根據瀏覽器類型初始化菜單
function init() {
if (IE) {
ssm2.style.pixelLeft = -menuWidth;
ssm2.style.visibility = "visible"
}
else if (NS) {
document.ssm2.left = -menuWidth;
document.ssm2.visibility = "show"
}
else {
alert('瀏覽器類型判斷錯誤!')
}
}
//當用戶選擇菜單時，在狀態(tài)欄提示導航地址
function MM_displayStatusMsg(msgStr) {
status=msgStr;
document.MM_returnValue = true;
}
//判斷瀏覽器類型
if (IE) {document.write('<DIV ID="ssm2" style="visibility:hidden;Position : Absolute ;Left : 0px ;Top : '+YOffset+'px ;Z-Index : 20;width:1px" onmouseover="moveOut()" onmouseout="moveBack()">')}
if (NS) {document.write('<LAYER visibility="hide" top="'+YOffset+'" name="ssm2" bgcolor="'+menuBGColor+'" left="0" onmouseover="moveOut()" onmouseout="moveBack()">')}
tempBar="";
for (i=0;i<barText.length;i++) {
tempBar+=barText.substring(i, i+1)+"<BR>"}
document.write('<table border="0" cellpadding="0" cellspacing="1" width="'+(menuWidth+16+2)+'" bgcolor="'+menuBGColor+'"><tr><td bgcolor="'+hdrBGColor+'" WIDTH="'+menuWidth+'"> <font face="'+hdrFontFamily+'" Size="'+hdrFontSize+'" COLOR="'+hdrFontColor+'"><b>'+menuHeader+'</b></font></td><td align="center" rowspan="100" width="16" bgcolor="'+barBGColor+'"><p align="center"><font face="'+barFontFamily+'" Size="'+barFontSize+'" COLOR="'+barFontColor+'"><B>'+tempBar+'</B></font></p></TD></tr>')
//添加菜單內容項的方法
function addItem(text, link, target)
{
if (!target) {target=linkTarget}
document.write('<TR><TD BGCOLOR="'+linkBGColor+'" onmouseover="bgColor=\''+linkOverBGColor+'\'" onmouseout="bgColor=\''+linkBGColor+'\'"><ILAYER><LAYER onmouseover="bgColor=\''+linkOverBGColor+'\'" onmouseout="bgColor=\''+linkBGColor+'\'" WIDTH="100%"><FONT face="'+linkFontFamily+'" Size="'+linkFontSize+'"> <A HREF="'+link+'" target="'+target+'" CLASS="ssm2Items">'+text+'</A></FONT></LAYER></ILAYER></TD></TR>')
}
//為菜單添加分類標題的方法
function addHdr(text)
{
document.write('<tr><td bgcolor="'+hdrBGColor+'" WIDTH="140"> <font face="'+hdrFontFamily+'" Size="'+hdrFontSize+'" COLOR="'+hdrFontColor+'"><b>'+text+'</b></font></td></tr>')
}
//下面是菜單內容和指定的導航地址
addItem('初級搜索', 'http://www.google.com', '');
addItem('中級搜索', 'http://www.google.com', '');
addItem('搜索原理', 'http://www.google.com', '');
addItem('深入搜索', 'http://www.google.com', '');
addItem('垂直搜索', 'http://www.google.com', '_blank');
addHdr('幫助'); //菜單標題
addItem('會員專屬論壇', 'http://www.google.com', '_blank');
document.write('<tr><td bgcolor="'+hdrBGColor+'"><font size="0" face="Arial"> </font></td></TR></table>')
if (IE) {document.write('</DIV>')}
if (NS) {document.write('</LAYER>')}
if ((IE||NS) && (menuIsStatic=="yes"&&staticMode)) {makeStatic(staticMode);}
window.onload=init;
</SCRIPT>
</body>
</html>
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