function preparePassword() {
			var form = document.regpss1;
			var dummy = '----------------------------------------';
			
			form.AU_PASSWORD_HASH.value = binl2hex(core_hmac_md5(form.AU_CHALLENGE2.value,form.AU_PASSWORD.value));
			form.AU_PASSWORD.value = dummy.substr(0,form.AU_PASSWORD.value.length);
			
			regpss_submitted = true;
			form.submit();			
		}