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Invalid argument for visibility property?

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jimny

jimny

Technical User
Oct 18, 2002
52
US
I wrote this snippet for an expandable directory listing and it returns a JAVASCRIPT ERROR:

Line 64:
Char 8
Error: Coould not get the Visibility property. Wrong argument


Here is the code:


<HTML>
<HEAD>
<TITLE>My Drop Down</TITLE>
<SCRIPT LANGUAGE=javaScript>
<!--
//First DropDown Menu
var ary1 = new Array();
//don't know why these appear so funny in this post
//there is only 1 semicolon at end of each line
ary1[0] = &quot;<A HREF=\&quot; ary1[1] = &quot;<A HREF=\&quot; ary1[2] = &quot;<A HREF=\&quot; ary1[3] = &quot;<A HREF=\&quot;
//Determine Browser
var IE = document.all?true:false;
var NN = document.layers?true:false;
var WW3 = document.getElementById&&!document.all?true:false;
var OP = navigator.userAgent.indexOf(&quot;Opera&quot;)?true:false;

var dvFavs;
var dvlst1;

function OnLoad()
{
//Format &quot;visibility&quot;
if (IE||OP)
{
hide= &quot;hide&quot;;
show= &quot;show&quot;;
}
if (NN)
{
hide= &quot;hidden&quot;;
show= &quot;visible&quot;;
}
if (WW3)
{
hide= &quot;hidden&quot;;
show= &quot;visible&quot;;
}
//Format DIV's
dvFavs = Lens(&quot;Favs&quot;);
dvlst1 = Lens(&quot;list1&quot;);
}

function Lens(obj)
{
if (NN)
dv = document.layers[obj]
if (WW3)
dv = document.getElementById(obj)
else
dv = document.all[obj]
return dv;
}

function ExpColl(dv)
{
if (dv.style.visibility == hide)
{
dv.style.visibility = show;
}
else
{
dv.style.visibility = hide;
}
}
//-->
</SCRIPT>
</HEAD>

<BODY onload=&quot;OnLoad();&quot;>
<FORM>
<TABLE border=0>
<TR>
<td>
<DIV class=Parent ID=Favs onClick=&quot;ExpColl(dvlst1);&quot;>My Favorites
<DIV ID=list1 style=&quot;position:absolute;left:0;top:0;width:120;visibility:hidden;&quot;>
<script language=&quot;JavaScript1.2&quot;>
<!--
for (i=0;i<ary1.length;i++)
document.write(ary1);
//-->
</script>
</DIV>
</DIV>
</td>
<TR>
<TR>
<td>
</td>
</TR>
</TABLE>
</FORM>
</BODY>
</HTML>


Can anyone spot an obvious error?
Thanks...
 
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chmohan,
Thanks for the reply, but it is a little cryptic for me. I am using IE 6.0 and I hope that style.visibility is &quot;hide&quot;, but what is causing the page to throw the error?
 
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<DIV ID=list1 style=&quot;position:absolute;left:0;top:0;width:120;visibility:hidden;&quot;>

shouldnt the above be

<DIV ID=list1 style=&quot;position:absolute;left:0;top:0;width:120;visibility:hide;&quot;>

 
Upvote 0 Downvote
Thnaks for the quick response but...
If I change it to &quot;visibility:hide&quot; in the style attributes of the DIV tag, that DIV is visible and I still generate the same error. Is there an issue with the logic in the ExpColl function since I return the error &quot;onclick&quot;, or is the logic of the whole idea flawed?
 
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