Floating Menu Using Javascript

Posted Date: 08 Oct 2008	Resource Type: Code Snippets	Category: Javascript
Author: Mari raj k	Member Level: Silver
Rating:	Points: 10

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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Floating Menu Using Javascript

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