Apologies - I popsed up the wrong code above.
The correct code, which previously worked OK, is
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body {
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<form method="post" class="af-form-wrapper" accept-charset="UTF-8" action="
https://www.aweber.com/scripts/addlead.pl" >
<div style="display: none;">
<input type="hidden" name="meta_web_form_id" value="115801636" />
<input type="hidden" name="meta_split_id" value="" />
<input type="hidden" name="listname" value="awlist3621815" />
<input type="hidden" name="redirect" value="
https://www.aweber.com/thankyou-coi.htm?m=text" id="redirect_bc31571016d70a79a37de63abe4de55f" />
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<input type="hidden" name="meta_tooltip" value="" />
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<div id="af-form-115801636" class="af-form"><div id="af-header-115801636" class="af-header"><div class="bodyText"><p style="text-align: center;"><span style="font-size: 24px; color: #ffffff;"><em><strong>World of Radio</strong></em></span></p>
<p style="text-align: center;"><span style="color: #ffffff;"><strong>SIGN UP to receive<br /></strong><strong> Latest News and Offers</strong></span></p></div></div>
<div id="af-body-115801636" class="af-body af-standards">
<div class="af-element">
<label class="previewLabel" for="awf_field-98171642">Name: </label>
<div class="af-textWrap">
<input id="awf_field-98171642" type="text" name="name" class="text" value="" onfocus=" if (this.value == '') { this.value = ''; }" onblur="if (this.value == '') { this.value='';} " tabindex="500" />
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<div class="af-clear"></div></div>
<div class="af-element">
<label class="previewLabel" for="awf_field-98171643">Email: </label>
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<input name="submit" class="submit" type="submit" value="Join" tabindex="502" />
<div class="af-clear"></div>
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<div class="af-element privacyPolicy" style="text-align: center"><p>We respect your <a title="Privacy Policy" href="
https://www.aweber.com/permission.htm" target="_blank" rel="nofollow">email privacy</a></p>
<div class="af-clear"></div>
</div>
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</form>
<script type="text/javascript">
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