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Smooth Show/Hide Effects? Is there a way?

Posted on 2004-08-23
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Last Modified: 2012-05-05
Can anyone make the show/hide effect of this script smooth?

basically I want the content to have an animated crisp, smooth and fast drop down..

script will be available in next post..
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Question by:andreni78
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4 Comments
 

Author Comment

by:andreni78
ID: 11877855

<script>
var imgs=["http://www.opera.com/graphics/buttons/red_buy.gif","http://www.opera.com/graphics/buttons/red_dl.gif"]
function toggle(obj,nm)
{
     obj.src=obj.src==imgs[0]?imgs[1]:imgs[0];
     theDiv=document.getElementById(nm);
     theDiv.style.display=theDiv.style.display=="none"?"":"none";
}
</script>
Body:
<table border=0>
<tr>
     <td>
          <img src=http://www.opera.com/graphics/buttons/red_dl.gif onClick="toggle(this,'Arts')" border=0>
     </td>
</tr>
<tr>
     <td>
        <div id="Arts" style="position: relative; display:none;">
          Some content         Some content         Some content
         Some content          Some content         Some content         Some content
         Some content          Some content         Some content         Some content
         Some content          Some content         Some content         Some content
         Some content          Some content         Some content         Some content
         Some content          Some content         Some content         Some content
         Some content          Some content         Some content         Some content
         Some content          Some content         Some content         Some content
         Some content          Some content         Some content         Some content
         Some content
     </div>
     </td>
</tr>
</table>
0
 
LVL 10

Accepted Solution

by:
m8rix earned 2000 total points
ID: 11878528
<html>

<head>
<title></title>
</head>

<body>
<script>

var imgs=["http://www.opera.com/graphics/buttons/red_buy.gif","http://www.opera.com/graphics/buttons/red_dl.gif"]
function toggle(obj,nm)
{
     obj.src=obj.src==imgs[0]?imgs[1]:imgs[0];
     theDiv=document.getElementById(nm);
     theDiv.style.top=getOffsetTop(obj)+23;
     theDiv.style.left=getOffsetLeft(obj);
     theDiv.style.pixelWidth=document.body.offsetWidth-50
     theDiv.style.display=theDiv.style.display=="none"?"":"none";
     animate(theDiv.id);
}
function animate(obj){
objID = document.getElementById(obj);
objID.style.color='#D1CCC5';
objID.style.pixelHeight=1
      if (objID.style.display ==""){
            changeheight(obj);
      }
}

function changeheight(obj,height){
objID = document.getElementById(obj);
if (height==undefined){height=1;}
objID.style.pixelHeight=height
//if (height==11){alert(objID.style.innerHeight);}
if (height<300){
  setTimeout("changeheight('" + obj + "'," + (height+5) + ")",5);}
else {objID.style.color='#000000';}
}

function getOffsetLeft (el) {
  var ol = el.offsetLeft;
  while ((el = el.offsetParent) != null)
    ol += el.offsetLeft;
  return ol;
}

function getOffsetTop (el) {
  var ot = el.offsetTop;
  while((el = el.offsetParent) != null)
   ot += el.offsetTop;
  return ot;
}
</script>
Body:
<table border=0>
<tr>
     <td>
          <img src=http://www.opera.com/graphics/buttons/red_dl.gif onClick="toggle(this,'Arts')" border=0 width="128" height="23">
     </td>
</tr>
<tr>
     <td>
        <div id="Arts" style="width:300;padding: 5px; position: absolute; display:none; background: #D1CCC5; overflow: hidden; height:1px;border: 1 solid #663300;color:#D1CCC5;">
          Some content         Some content         Some content
         Some content          Some content         Some content         Some content
         Some content          Some content         Some content         Some content
         Some content          Some content         Some content         Some content
         Some content          Some content         Some content         Some content
         Some content          Some content         Some content         Some content
         Some content          Some content         Some content         Some content
         Some content          Some content         Some content         Some content
         Some content          Some content         Some content         Some content
         Some content
     </div>
     </td>
</tr>
</table>
</body>

</html>
0
 

Author Comment

by:andreni78
ID: 11878828
very nice work!! but.. . it's not working right on my form.. it goes down smoothly but:

1. not fast enough
2. it makes my centered webpage turn to left indent
3. my form within the <div></div> is actually longer than what this script is set to go down... so it stops abruptly...

so if you could make this script relative to it's surroundings.. that would be fantastic.. and no grays please =)

looks like u spent a lot of time writing this script.. so i'll make another post requesting fixes...
0
 
LVL 10

Expert Comment

by:m8rix
ID: 12186729
Thanks for the feedback, as you may have probably noticed I have been away for a month. Is everything in order now or do you still require some assistance?
0

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