document.write
('<INPUT class="select" TYPE="button" VALUE="Email this article to a friend" onClick="Email()">') 
function Email(){ window.location = "mailto:"+f1.email.value+"?subject="+f1.name.value+", I thought this article might interest you." + "&body=" +f1.name.value+ ", I thought this article might interest you: "+window.location+"         "+document.title+"       Yours, "+f1.yourname.value;
}