function gon(){
if (document.n.eml.value=='') 
{
alert('Please enter your Email Address');
}
else if (document.n.eml.value.indexOf("@") == -1 ||
                             document.n.eml.value == "")
    {
      alert("Please enter a valid email address (you have not entered an @ sign)");
    }
else if (document.n.eml.value.indexOf(".") == -1 ||
                             document.n.eml.value == "")
    {
      alert("Please enter a valid email address (you have not entered a full stop anywhere)");
    }
else {
document.n.submit();
}
}

function binfold() {
if (confirm('Are you sure you want to empty your Folder?'))
{
location.href='actions/bin.php';
}
}