php anchor email link

1//Prevents robots to detect emails
2
3function anchorMailto($email) {
4	$output='<script type="text/javascript">';
5    $output.="var asdfkjl1=[";
6   
7    for($i=0;$i<strlen($email);$i++){
8        $output.= ord(substr($email,$i,1)).",";
9    }
10    
11    $output = substr($output, 0, -1); 
12    $output.= "]";
13    
14    $output.="
15    var newName='';
16    for (var i=0; i<asdfkjl1.length; i++)
17     newName+=String.fromCharCode(asdfkjl1[i])
18    document.write('<a href=\"mailto:'+newName+'\">'+newName+'</a>')
19    </script>";
20    
21    return $output;
22}