Inserting java script in ‘page content’ area on page

When one creates a page, there is an area entitled ‘page content’ where you can insert copy, graphics, etc.

When upon inserting the below java script into the ‘code’ area and saved, nothing appears as a result in the ‘visual’ area.
Does appear when I insert into the index.php.
To further, appears in the sidebar, when I ad the

—

code.
Can anyone help in this matter, please?

Utilizing the following script:

<script language=’JavaScript’ type=’text/javascript’ src=’http://www.webbulletin.org/adx.js’></script&gt;
<script language=’JavaScript’ type=’text/javascript’>
<!–
if (!document.phpAds_used) document.phpAds_used = ‘,’;
phpAds_random = new String (Math.random()); phpAds_random = phpAds_random.substring(2,11);

document.write (“<” + “script language=’JavaScript’ type=’text/javascript’ src='”);
document.write (“http://www.webbulletin.org/adjs.php?n=&#8221; + phpAds_random);
document.write (“&what=zone:7”);
document.write (“&exclude=” + document.phpAds_used);
if (document.referrer)
document.write (“&referer=” + escape(document.referrer));
document.write (“‘><” + “/script>”);
//–>
</script><noscript><img src=’http://www.webbulletin.org/adview.php?what=zone:7&n=a91e1eb5&#8242; border=’0′ alt=”></noscript>