Line 16 should be:
$WAFV_Errors .= WAValidateRQ(((isset($_POST["toEmail"]))?implode(", ",$_POST["toEmail"]):"") . "",false,2);
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.