javascript展开菜单源码的方法
javascript展开菜单源码的方法
脚本说明:
第一步：把如下代码加入<body>区域中
<SCRIPT language=JavaScript>
<!--
function MFXinitMenu(){
IE = document.all ? 1:0;
NN = document.layers ? 1:0;
HIDDEN = (NN) ? 'hide' : 'hidden';
VISIBLE = (NN) ? 'show' : 'visible';
myLayer=new Array();
mySpeed=5;
subLeft=0;
closes=true;
myLayer[0]=(NN) ? document.MFX0 : document.all.MFX0.style;
myLayer[1]=(NN) ? document.MFX1 : document.all.MFX1.style;
myLayer[2]=(NN) ? document.MFX2 : document.all.MFX2.style;
myLayer[3]=(NN) ? document.MFX3 : document.all.MFX3.style;
myLayer[4]=(NN) ? document.MFX4 : document.all.MFX4.style;
myLayer[5]=(NN) ? document.MFX5 : document.all.MFX5.style;
myLayer[6]=(NN) ? document.MFX6 : document.all.MFX6.style;
myLayer[7]=(NN) ? document.MFX7 : document.all.MFX7.style;
myLayer[8]=(NN) ? document.MFX8 : document.all.MFX8.style;
myLayer[9]=(NN) ? document.MFX9 : document.all.MFX9.style;
running=false;
whichOpen=-1;
lastMain=myLayer.length-2;
MFXmain=new Array();
for(i=0; i<myLayer.length; i++){
mainORsub= i % 2;
MFXmain[i] = mainORsub ? 0:1;
}
myTop=new Array();
myLeft=new Array();
myHeight=new Array();
myWidth=new Array();
mySlide=new Array();
for(i=0; i<myLayer.length; i++){
if(NN&&MFXmain[i]){
if(i==0){
myTop[i]=myLayer[i].top;
myLeft[i]=myLayer[i].left;}
else{
myLeft[i]=myLeft[i-2];
myTop[i]=myTop[i-2]+myHeight[i-2];}
myHeight[i]=myLayer[i].clip.height;
myWidth[i]=myLayer[i].clip.width;
myLayer[i].left=myLeft[i];
myLayer[i].top=myTop[i];
myLayer[i].visibility=VISIBLE;}
if(NN&&!MFXmain[i]){
myTop[i]=myTop[i-1]+myHeight[i-1];
myLeft[i]=myLeft[i-1];
myHeight[i]=myLayer[i].clip.height;
myWidth[i]=myLayer[i].clip.width;
mySlide[i]=myTop[i]+myHeight[i];
myLayer[i].left=myLeft[i]+subLeft;
myLayer[i].top=myTop[i];}
if(IE&&MFXmain[i]){
if(i==0){
myLeft[i]=myLayer[i].pixelLeft;
myTop[i]=myLayer[i].pixelTop;}
else{
myLeft[i]=myLeft[i-2];
myTop[i]=myTop[i-2]+myHeight[i-2];}
myHeight[i]=myLayer[i].pixelHeight;
myWidth[i]=myLayer[i].pixelWidth;
myLayer[i].left=myLeft[i];
myLayer[i].top=myTop[i];
myLayer[i].visibility=VISIBLE;}
if(IE&&!MFXmain[i]){
myTop[i]=myTop[i-1]+myHeight[i-1];
myLeft[i]=myLeft[i-1];
myHeight[i]=myLayer[i].pixelHeight;
myWidth[i]=myLayer[i].pixelWidth;
myLayer[i].pixelLeft=myLeft[i]+subLeft;
myLayer[i].pixelTop=myTop[i];
mySlide[i]=myTop[i]+myHeight[i];
}
}
}
function MFXrunMenu(myName,newspeed){
ieStep=0;
thereS=false;
thereC=false;
if(newspeed>0){mySpeed=newspeed;}
first=myName;
if(whichOpen==-1&&!running&&MFXmain[myName]&&!(whichOpen==myName)){
running=true;
if(NN){
myLayer[myName+1].clip.height=0;
myLayer[myName+1].visibility=VISIBLE;
}
if(IE){
myLayer[myName+1].clip= "rect(" + ("auto") +" "+ ("auto") +" "+ (0) +" "+ ("auto") +")";
myLayer[myName+1].visibility=VISIBLE;
}
MFXopenMenuS(myName);
MFXopenMenuC(myName);
}
if(whichOpen>=0&&!running&&!(whichOpen==myName)){
running=true;
second=whichOpen;
ieStep1=myHeight[second+1];
thereCS=false;
thereCC=false;
MFXcloseMenuS(second);
MFXcloseMenuC(second);
}
if(whichOpen>=0&&!running&&whichOpen==myName&&closes){
running=true;
second=whichOpen;
ieStep1=myHeight[second+1];
thereCS=false;
thereCC=false;
MFXcloseMenuS(second);
MFXcloseMenuC(second);
}
}
function MFXstopCloseS(myName){
running=false;
thereCS=true;
if(closes&&first==whichOpen){whichOpen=-1;}
else{whichOpen=-1;
MFXrunMenu(first);
}
}
function MFXstopOpenS(myName){
running=false;
thereS=true;
if(IE){myLayer[myName+1].clip= "rect(" + ("auto") +" "+ ("auto") +" "+ ("auto") +" "+ ("auto") +")";}
whichOpen=myName;
}
function MFXopenMenuS(myName){
myStep=mySpeed;
if(NN&&!thereS&&!(first==lastMain)){
if(myLayer[first+2].top+myStep>mySlide[first+1]){
myStep=mySlide[first+1]-myLayer[first+2].top;
}
for(i=first+2; i<myLayer.length; i+=2){
myLayer[i].top+=myStep;
}
if(myLayer[first+2].top==mySlide[first+1]){
MFXstopOpenS(first)
}
if(running)setTimeout('MFXopenMenuS(first)',10);
}
if(IE&&!thereS&&!(first==lastMain)){
if(myLayer[first+2].pixelTop+myStep>mySlide[first+1]){
myStep=mySlide[first+1]-myLayer[first+2].pixelTop;
}
for(i=first+2; i<myLayer.length; i+=2){
myLayer[i].pixelTop+=myStep;
}
if(myLayer[first+2].pixelTop==mySlide[first+1]){
MFXstopOpenS(first)
}
if(running)setTimeout('MFXopenMenuS(first)',10);
}
}
function MFXopenMenuC(myName){
myStep=mySpeed;
if(NN&&!thereC){
if ((myLayer[first+1].clip.height+myStep)>myHeight[first+1]){
myLayer[first+1].clip.height=myHeight[first+1]
}
if(myLayer[first+1].clip.height==myHeight[first+1]){
thereC=true;
whichOpen=first;
MFXstopOpenS(first)
}else{
myLayer[first+1].clip.height+=myStep;
}
if(running)setTimeout('MFXopenMenuC(first)',10);
}
if(IE&&!thereC){
ieStep+=myStep;
myLayer[myName+1].clip= "rect(" + ("auto") +" "+ ("auto") +" "+ (ieStep) +" "+ ("auto") +")";
if(ieStep>=myHeight[first+1]){
thereC=true;
whichOpen=first;
MFXstopOpenS(first)
}
if(running)setTimeout('MFXopenMenuC(first)',10);
}
}
function MFXcloseMenuS(myName){
myStep=mySpeed;
if(NN&&!thereCS&&!(second==lastMain)){
if(myLayer[second+2].top-myStep<myTop[second+2]){
myStep=myLayer[second+2].top-myTop[second+2];
}
for(i=second+2; i<myLayer.length; i+=2){
myLayer[i].top-=myStep;
}
if(myLayer[second+2].top==myTop[second+2]){
MFXstopCloseS(second);
}
if(running)setTimeout('MFXcloseMenuS(second)',10);
}
if(IE&&!thereCS&&!(second==lastMain)){
if(myLayer[second+2].pixelTop-myStep<myTop[second+2]){
myStep=myLayer[second+2].pixelTop-myTop[second+2];
}
for(i=second+2; i<myLayer.length; i+=2){
myLayer[i].pixelTop-=myStep;
}
if(myLayer[second+2].pixelTop==myTop[second+2]){
MFXstopCloseS(second);
}
if(running)setTimeout('MFXcloseMenuS(second)',10);
}
}
function MFXcloseMenuC(myName){
myStep=-mySpeed;
ieStep1-=mySpeed;
if(NN&&!thereCC){
if ((myLayer[second+1].clip.bottom+myStep)<0){
myLayer[second+1].clip.bottom=0;
}
if(myLayer[second+1].clip.bottom==0){
thereCC=true;
if(second==lastMain)MFXstopCloseS(second);
}else{
myLayer[second+1].clip.bottom+=myStep;
}
if(running)setTimeout('MFXcloseMenuC(second)',10);
}
if(IE&&!thereCC){
if(ieStep1<=0){
myLayer[myName+1].clip= "rect(" + ("auto") +" "+ ("auto") +" "+ (0) +" "+ ("auto") +")";
thereCC=true;
if(second==lastMain)MFXstopCloseS(second);
}else{
myLayer[myName+1].clip= "rect(" + ("auto") +" "+ ("auto") +" "+ (ieStep1) +" "+ ("auto") +")";
}
if(running)setTimeout('MFXcloseMenuC(second)',10);
}
}
//-->
</SCRIPT>
<STYLE>.cn {
FONT-SIZE: 9pt; COLOR: #ffff00; FONT-FAMILY: 宋体
}
A:link {
FONT-SIZE: 9pt; COLOR: blue; TEXT-DECORATION: none
}
A:visited {
FONT-SIZE: 9pt; COLOR: blue; TEXT-DECORATION: none
}
A:hover {
FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: ""; TEXT-DECORATION: none
}
</STYLE>
<DIV id=MFX0
style="BORDER-RIGHT: #000000 1px; BORDER-TOP: #000000 1px; Z-INDEX: 2; LEFT: 20px; VISIBILITY: hidden; BORDER-LEFT: #000000 1px; WIDTH: 150px; BORDER-BOTTOM: #000000 1px; POSITION: absolute; TOP: 20px; HEIGHT: 20px; BACKGROUND-COLOR: #cc6666; layer-background-color: #CC6666">
<DIV align=center>
<CENTER>
<TABLE cellSpacing=0 borderColorDark=#568ac2 cellPadding=0 width="100%"
bgColor=#568ac2 borderColorLight=#ffffff border=1>
<TBODY>
<TR>
<TD width="100%">
<P class=cn align=center><A onclick=MFXrunMenu(0,5)
href="
color=#ffff00>数字音效</FONT></A></P></TD></TR></TBODY></TABLE></CENTER></DIV></DIV>
<DIV id=MFX1
style="BORDER-RIGHT: #000000 1px; BORDER-TOP: #000000 1px; Z-INDEX: 1; LEFT: 20px; VISIBILITY: hidden; BORDER-LEFT: #000000 1px; WIDTH: 150px; BORDER-BOTTOM: #000000 1px; POSITION: absolute; TOP: 40px; HEIGHT: 60px; BACKGROUND-COLOR: #cccccc; layer-background-color: #CCCCCC">
<DIV align=center>
<CENTER>
<TABLE cellSpacing=0 borderColorDark=#ffffff cellPadding=0 width="100%"
borderColorLight=#ff0000 border=1>
<TBODY>
<TR>
<TD class=eng width="100%">
<P class=eng align=center><A
href="
size=2>menu1</FONT></A></P></TD></TR>
<TR>
<TD class=eng width="100%">
<P class=eng align=center><A
href="
size=2>menu2</FONT></A></P></TD></TR>
<TR>
<TD class=eng width="100%">
<P class=eng align=center><A
href="
size=2>menu3</FONT></A></P></TD></TR></TBODY></TABLE></CENTER></DIV><BR></DIV>
<DIV id=MFX2
style="BORDER-RIGHT: #000000 1px; BORDER-TOP: #000000 1px; Z-INDEX: 2; LEFT: 20px; VISIBILITY: hidden; BORDER-LEFT: #000000 1px; WIDTH: 150px; BORDER-BOTTOM: #000000 1px; POSITION: absolute; TOP: 100px; HEIGHT: 20px; BACKGROUND-COLOR: #cc6666; layer-background-color: #CC6666">
<DIV align=center>
<CENTER>
<TABLE cellSpacing=0 borderColorDark=#568ac2 cellPadding=0 width="100%"
bgColor=#568ac2 borderColorLight=#ffffff border=1>
<TBODY>
<TR>
<TD width="100%">
<P class=cn align=center><A onclick=MFXrunMenu(2,5)
href="
color=#ffff00>图像处理</FONT></A></P></TD></TR></TBODY></TABLE></CENTER></DIV></DIV>
<DIV id=MFX3
style="BORDER-RIGHT: #000000 1px; BORDER-TOP: #000000 1px; Z-INDEX: 1; LEFT: 20px; VISIBILITY: hidden; BORDER-LEFT: #000000 1px; WIDTH: 150px; BORDER-BOTTOM: #000000 1px; POSITION: absolute; TOP: 120px; HEIGHT: 60px; BACKGROUND-COLOR: #cccccc; layer-background-color: #CCCCCC">
<DIV align=center>
<CENTER>
<TABLE cellSpacing=0 borderColorDark=#ffffff cellPadding=0 width="100%"
borderColorLight=#ff0000 border=1>
<TBODY>
<TR>
<TD class=eng width="100%">
<P class=eng align=center><A
href="
size=2>menu1</FONT></A></P></TD></TR>
<TR>
<TD class=eng width="100%">
<P class=eng align=center><A
href="
size=2>menu2</FONT></A></P></TD></TR>
<TR>
<TD class=eng width="100%">
<P class=eng align=center><A
href="
size=2>menu3</FONT></A></P></TD></TR></TBODY></TABLE></CENTER></DIV><BR></DIV>
<DIV id=MFX4
style="BORDER-RIGHT: #000000 1px; BORDER-TOP: #000000 1px; Z-INDEX: 2; LEFT: 19px; VISIBILITY: hidden; BORDER-LEFT: #000000 1px; WIDTH: 150px; BORDER-BOTTOM: #000000 1px; POSITION: absolute; TOP: 178px; HEIGHT: 20px; BACKGROUND-COLOR: #cc6666; layer-background-color: #CC6666">
<DIV align=center>
<CENTER>
<TABLE cellSpacing=0 borderColorDark=#568ac2 cellPadding=0 width="100%"
bgColor=#568ac2 borderColorLight=#ffffff border=1>
<TBODY>
<TR>
<TD width="100%">
<P class=cn align=center><A onclick=MFXrunMenu(4,5)
href="
color=#ffff00>三维视频</FONT></A></P></TD></TR></TBODY></TABLE></CENTER></DIV></DIV>
<DIV id=MFX5
style="BORDER-RIGHT: #000000 1px; BORDER-TOP: #000000 1px; Z-INDEX: 1; LEFT: 19px; VISIBILITY: hidden; BORDER-LEFT: #000000 1px; WIDTH: 150px; BORDER-BOTTOM: #000000 1px; POSITION: absolute; TOP: 199px; HEIGHT: 64px; BACKGROUND-COLOR: #cccccc; layer-background-color: #CCCCCC">
<DIV align=center>
<CENTER>
<TABLE cellSpacing=0 borderColorDark=#ffffff cellPadding=0 width="100%"
borderColorLight=#ff0000 border=1>
<TBODY>
<TR>
<TD class=eng width="100%">
<P align=center><A
href="
size=2>menu1</FONT></A></P></TD></TR>
<TR>
<TD class=eng width="100%">
<P align=center><A
href="
size=2>menu</FONT><FONT size=2>2</FONT></A></P></TD></TR>
<TR>
<TD class=eng width="100%">
<P align=center><A
href="
size=2>menu</FONT><FONT
size=2>3</FONT></A></P></TD></TR></TBODY></TABLE></CENTER></DIV><BR></DIV>
<DIV id=MFX6
style="BORDER-RIGHT: #000000 1px; BORDER-TOP: #000000 1px; Z-INDEX: 2; LEFT: 18px; VISIBILITY: hidden; BORDER-LEFT: #000000 1px; WIDTH: 150px; BORDER-BOTTOM: #000000 1px; POSITION: absolute; TOP: 251px; HEIGHT: 20px; BACKGROUND-COLOR: #cc6666; layer-background-color: #CC6666">
<DIV align=center>
<CENTER>
<TABLE cellSpacing=0 borderColorDark=#568ac2 cellPadding=0 width="100%"
bgColor=#568ac2 borderColorLight=#ffffff border=1>
<TBODY>
<TR>
<TD width="100%">
<P class=cn align=center><A onclick=MFXrunMenu(6,5)
href="
color=#ffff00>多媒体开发</FONT></A></P></TD></TR></TBODY></TABLE></CENTER></DIV></DIV>
<DIV id=MFX7
style="BORDER-RIGHT: #000000 1px; BORDER-TOP: #000000 1px; Z-INDEX: 1; LEFT: 20px; VISIBILITY: hidden; BORDER-LEFT: #000000 1px; WIDTH: 150px; BORDER-BOTTOM: #000000 1px; POSITION: absolute; TOP: 280px; HEIGHT: 60px; BACKGROUND-COLOR: #cccccc; layer-background-color: #CCCCCC">
<DIV align=center>
<CENTER>
<TABLE cellSpacing=0 borderColorDark=#ffffff cellPadding=0 width="100%"
borderColorLight=#ff0000 border=1>
<TBODY>
<TR>
<TD class=eng width="100%">
<P align=center><A
href="
size=2>menu1</FONT></A></P></TD></TR>
<TR>
<TD class=eng width="100%">
<P align=center><A
href="
size=2>menu1</FONT></A></P></TD></TR>
<TR>
<TD class=eng width="100%">
<P align=center><A
href="
size=2>menu1</FONT></A></P></TD></TR></TBODY></TABLE></CENTER></DIV></DIV>
<DIV id=MFX8
style="BORDER-RIGHT: #000000 1px; BORDER-TOP: #000000 1px; Z-INDEX: 2; LEFT: 20px; VISIBILITY: hidden; BORDER-LEFT: #000000 1px; WIDTH: 150px; BORDER-BOTTOM: #000000 1px; POSITION: absolute; TOP: 340px; HEIGHT: 20px; BACKGROUND-COLOR: #cc6666; layer-background-color: #CC6666">
<DIV align=center>
<CENTER>
<TABLE cellSpacing=0 borderColorDark=#568ac2 cellPadding=0 width="100%"
bgColor=#568ac2 borderColorLight=#ffffff border=1>
<TBODY>
<TR>
<TD width="100%">
<P class=cn align=center><A onclick=MFXrunMenu(8,5)
href="
color=#ffff00>网站建设</FONT></A></P></TD></TR></TBODY></TABLE></CENTER></DIV></DIV>
<DIV id=MFX9
style="BORDER-RIGHT: #000000 1px; BORDER-TOP: #000000 1px; Z-INDEX: 1; LEFT: 20px; VISIBILITY: hidden; BORDER-LEFT: #000000 1px; WIDTH: 150px; BORDER-BOTTOM: #000000 1px; POSITION: absolute; TOP: 360px; HEIGHT: 60px; BACKGROUND-COLOR: #cccccc; layer-background-color: #CCCCCC">
<DIV align=center>
<CENTER>
<TABLE cellSpacing=0 borderColorDark=#ffffff cellPadding=0 width="100%"
borderColorLight=#ff0000 border=1>
<TBODY>
<TR>
<TD class=eng width="100%">
<P align=center><A
href="
size=2>menu1</FONT></A></P></TD></TR>
<TR>
<TD class=eng width="100%">
<P align=center><A
href="
size=2>menu1</FONT></A></P></TD></TR>
<TR>
<TD class=eng width="100%">
<P align=center><A
href="
size=2>menu1</FONT></A></P></TD></TR></TBODY></TABLE></CENTER></DIV></DIV>
第二步：把<body>中的内容改为：
<body onload=MFXinitMenu()>