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IE7 shows the page streched with a error when a pop up is shown.  Javascript error Error: Not Implemented

nirisan asked
Last Modified: 2012-05-06
I have to pop up a <div> with some text when a user clicks on a hyperlink. I am using the following javascript code. It works fine in Firefox but streches the page in IE7 with a  javascript error.

Error: Not Implemented (in the last line)

I have marked the line in the code

	position: absolute;
	visibility: hidden;
	width: 310px;
	height: 600px;
	left: 60%;
	top: 85 px;
	background-color:  #CCE5FD;;
	border: 1px solid #000;
	padding: 1px:4px:1px:5px;
	overflow: auto;
#close {
	float: right;
-----------HTML- where the div is---------------
<div id="layerFeedback">
   <div id ="close" ><a href="javascript:setVisible('layerFeedback')" style="text-decoration:none; ">Hide &nbsp; <sup><strong>x</strong></sup></a></div><br/>
  <p>some text </p>
     <p>more text.</p>
 <p>more text </p>
 <p>more text again</p>
x = 60;
y = 85;
function setVisible(obj)
	obj = document.getElementById(obj);
	obj.style.visibility = (obj.style.visibility == 'visible') ? 'hidden' : 'visible';
function placeIt(obj)
	obj = document.getElementById(obj);
	if (document.documentElement)
		theLeft = document.documentElement.scrollLeft;
		theTop = document.documentElement.scrollTop;
	else if (document.body)
		theLeft = document.body.scrollLeft;
		theTop = document.body.scrollTop;
	theLeft += x;
	theTop += y;
	obj.style.left = theLeft + '%' ;
	obj.style.top = theTop + 'px' ;
window.onscroll = setTimeout("placeIt('layerFeedback')",500);          <----------------------------------Errors on this line

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