<?php
if(is_home() || is_front_page()): wp_enqueue_script( 'jquery' ); ?>
<style>
#gate_out{
	display: block; position: fixed; top: 0%; left: 0%;	width: 100%; height: 100%; background-color: #000;
	z-index:1001; -moz-opacity: 0.95; opacity:.95; filter: alpha(opacity=95);
}

#gate_in {
	display: block; position: absolute;	text-align:center; top: 25%; left: 25%; width: 50%;	height: 30%;
	padding: 16px; border: 10px solid red;	background-color: #fff;	z-index:1002; overflow: auto;
}

#gate_buttons { width: 400px; height: 100px; margin: 50px auto; }
#gate_buttons a { float:left; display: block; width: 100px; height: 40px; margin: 0 50px; color: #fff; font-size: 24px; font-weight: bold; }
#gate_buttons .red { background-color:red; }
#gate_buttons .green { background-color:green; }
</style>
<script>
jQuery(document).ready(function($){
 jQuery('#gate_buttons .green').click( function() { jQuery('#gate_out').hide(); return false; });
 jQuery('#gate_buttons .red').click( function() { document.location.href='http://google.com/'; return false; });
});
</script>
<div id="gate_out">
<div id="gate_in">
Czy masz 18 lat?
<div id="gate_buttons">
<a href="#" class="red">NIE</a><a href="#" class="green">TAK</a>
</div>
</div>
</div>
<?php endif; ?>