var message="Copyright © 2009 \"http://perstronik.com/\"";

function click(e)
{
	if(document.all){if(event.button==2||event.button==3){alert(message);return false;}}
	if(document.layers){if(e.which==3){alert(message);return false;}}}
	if(document.layers){document.captureevents(event.mousedown);
}

document.onmousedown=click;

//------------


function isValidEmail(str) {
return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
}

function CheckData()
{
with(document.form)
{
var Phone=document.form.nohp

if(nama.value == "")
{
alert("Nama Anda !\nMohon di isi.");
nama.focus();
return false;
}

if(email.value == "")
{
alert("Mohon isi email Anda yang valid.");
email.focus();
email.value="";
return false;
}

if (!isValidEmail(email.value)) 
{
alert("Email Anda tidak valid !");
email.focus();
email.value="";
return false;
}

if(judul.value == "")
{
alert("Judul pesan masih kosong.");
judul.focus();
return false;
}
 
if(isi.value == "")
{
alert("Isi pesan masih kosong.");
isi.focus();
return false;
}

        
}
return true;
}