Once you insert the Java code below
<div id="zf_div_rJBtn0q1FHyNhqIiVAY3kHrR01XZCtbRU74Iwv-THag"></div><script type="text/javascript">(function() {
try{
var f = document.createElement("iframe");
f.src ="https://forms.zohopublic.eu/ahogye/form/testDiagnosisUKEnglish1/formperma/rJBtn0q1FHyNhqIiVAY3kHrR01XZCtbRU74Iwv-THag?zf_rszfm=1&con1=United Kingdom&con2=United Kingdom&con3=United
Kingdom&ML=UK%2FEnglish&pa=true&pc=PARTNERCODE&pn=COMPANY NAME";
f.style.border="none";
f.style.height="2503px";
f.style.width="99%";
f.style.transition="all 0.5s ease";// No I18N
var d = document.getElementById("zf_div_rJBtn0q1FHyNhqIiVAY3kHrR01XZCtbRU74Iwv-THag");
d.appendChild(f);
window.addEventListener('message', function (){
var zf_ifrm_data = event.data.split("|");
var zf_perma = zf_ifrm_data[0];
var zf_ifrm_ht_nw = ( parseInt(zf_ifrm_data[1], 10) + 15 ) + "px";
var iframe = document.getElementById("zf_div_rJBtn0q1FHyNhqIiVAY3kHrR01XZCtbRU74Iwv-THag").getElementsByTagName("iframe")[0];
if ( (iframe.src).indexOf('formperma') > 0 && (iframe.src).indexOf(zf_perma) > 0 ) {
var prevIframeHeight = iframe.style.height;
if ( prevIframeHeight != zf_ifrm_ht_nw ) {
iframe.style.height = zf_ifrm_ht_nw;
}
}
}, false);
}catch(e){}
})();</script>
you have your own registration form on your website
1. replace PARTNERCODE by your partner code and COMPANY NAME by your company name
2. Please do not test this form, it is a working form.