Floating Menu Using Javascript

This code shows how to implement floating menu using javascript


<html>
<head>
<script language="JavaScript1.2">

isIE=document.all;
isNN=!document.all&&document.getElementById;
isN4=document.layers;
isHot=false;

function ddInit(e){
topDog=isIE ? "BODY" : "HTML";
whichDog=isIE ? document.all.theLayer : document.getElementById

("theLayer");
hotDog=isIE ? event.srcElement : e.target;
while (hotDog.id!="titleBar"&&hotDog.tagName!=topDog){
hotDog=isIE ? hotDog.parentElement : hotDog.parentNode;
}
if (hotDog.id=="titleBar"){
offsetx=isIE ? event.clientX : e.clientX;
offsety=isIE ? event.clientY : e.clientY;
nowX=parseInt(whichDog.style.left);
nowY=parseInt(whichDog.style.top);
ddEnabled=true;
document.onmousemove=dd;
}
}

function dd(e){
if (!ddEnabled) return;
whichDog.style.left=isIE ? nowX+event.clientX-offsetx : nowX+e.clientX-

offsetx;
whichDog.style.top=isIE ? nowY+event.clientY-offsety : nowY+e.clientY-

offsety;
return false;
}

function ddN4(whatDog){
if (!isN4) return;
N4=eval(whatDog);
N4.captureEvents(Event.MOUSEDOWN|Event.MOUSEUP);
N4.onmousedown=function(e){
N4.captureEvents(Event.MOUSEMOVE);
N4x=e.x;
N4y=e.y;
}
N4.onmousemove=function(e){
if (isHot){
N4.moveBy(e.x-N4x,e.y-N4y);
return false;
}
}
N4.onmouseup=function(){
N4.releaseEvents(Event.MOUSEMOVE);
}
}

function hideMe(){
if (isIE||isNN) whichDog.style.visibility="hidden";
else if (isN4) document.theLayer.visibility="hide";
}

function showMe(){
if (isIE||isNN) whichDog.style.visibility="visible";
else if (isN4) document.theLayer.visibility="show";
}

document.onmousedown=ddInit;
document.onmouseup=Function("ddEnabled=false");

</script>
</head>
<body>

<div id="theLayer"

style="position:absolute;width:250px;left:100;top:100;visibility:visible">
<table border="0" width="250" bgcolor="#424242" cellspacing="0"

cellpadding="5">
<tr>
<td width="100%">
<table border="0" width="100%" cellspacing="0" cellpadding="0"

height="36">
<tr>
<td id="titleBar" style="cursor:move" width="100%">
<ilayer width="100%" onSelectStart="return false">
<layer width="100%" onMouseover="isHot=true;if (isN4) ddN4(theLayer)"

onMouseout="isHot=false">
<font face="Arial" color="#FFFFFF">Layer Title</font>
</layer>
</ilayer>
</td>
<td style="cursor:hand" valign="top">
<a href="#" onClick="hideMe();return false"><font color=#ffffff size=2

face=arial style="text-decoration:none">X</font></a>
</td>
</tr>
<tr>
<td width="100%" bgcolor="#FFFFFF" style="padding:4px" colspan="2">
Sample Contents Here
</td>
</tr>
</table>
</td>
</tr>
</table>

</div>
<a href="javascript:showMe();">show</a>

<a href="javascript:hideMe();">hide</a>


</body>
</html>


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