document.write("<label for=\"spam\" class=\"required\"><span class=\"question\">Verification code, please type Macquarie" + x + " in the textbox for anti-spam purpose:<span class=\"required-flag\">*</span></span>");

document.write("<span class=\"answer\"><input type=\"text\" name=\"spam\" id=\"spam\" /></span></label>");
document.write("<input type=\"hidden\" name=\"check-spam\" value=\"" + x +"\" />");