树形菜单(一)

脚本特效展示

滑动的导航条　　鼠标移到左边试试

以下代码加入<head>区域

以下代码加入<body>区域

function MM_displayStatusMsg(msgStr) {

status=msgStr;

document.MM_returnValue = true;

}

function highlight(x){

document.forms[x].elements[0].focus()

document.forms[x].elements[0].select()

}

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="#666666";

linkFontFamily="Verdana";

linkFontSize="2";

linkBGColor="white";

linkOverBGColor="#CCCCCC";

linkTarget="_top";

YOffset=60;

staticYOffset=20;

menuBGColor="black";

menuIsStatic="no";

menuHeader="Main Index"

menuWidth=150; // Must be a multiple of 5!

staticMode="advanced"

barBGColor="#1298fd";

barFontFamily="Verdana";

barFontSize="2";

barFontColor="white";

barText="MENU";

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;

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)

}

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('Choose either the "smooth" or "advanced" static modes!')

}

function MM_displayStatusMsg(msgStr) {

status=msgStr;

document.MM_returnValue = true;

}

</script>

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>')

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>')}

function addHdr(text) {

document.write('<tr><td bgcolor="'+hdrBGColor+'" WIDTH="140"> <font face="'+hdrFontFamily+'" Size="'+hdrFontSize+'" COLOR="'+hdrFontColor+'"><b>'+text+'</b></font></td></tr>')}

//Only edit the script between HERE

addItem('Dynamic Drive', '../../../../www.dynamicdrive.com/default.htm', '');

addItem('What\'s New', 'http://www.dynamicdrive.com/new.htm', '');

addItem('What\'s Hot', 'http://www.dynamicdrive.com/hot.htm', '');

addItem('Forum', '../../../../wsabstract.com/cgi-bin/ultimate.cgi', '');

addItem('FAQs', '../../../../www.dynamicdrive.com/faqs.htm', '');

addItem('Submit', '../../../../www.dynamicdrive.com/submitscript.htm', '');

addHdr('External Links');

addItem('Website Abstraction', '../../../../wsabstract.com/default.htm', '_blank');

addItem('Freewarejava', '../../../../freewarejava.com/default.htm', '_blank');

addItem('DHTML Zone', '../../../../www.dhtml-zone.com/default.htm', '_blank');

addItem('active-x.com', '../../../../www.active-x.com/default.htm', '_blank');

addItem('Web Review', '../../../../www.webreview.com/default.htm', '_blank');

addItem('David\'s Website', 'http://www.david-thurston.co.uk', '_blank');

// and HERE! No more!

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);}

</script>

window.onload=init

</script>