function validateEmailFriendForm(theForm) {

if (theForm.sendersname.value==""){
alert("Please enter your name.");
theForm.sendersname.focus();
return(false);
}


Ctrl = theForm.sendersemail;
if (theForm.sendersemail.value==""){
alert("Please enter your email address.");
theForm.sendersemail.focus();
return(false);
}
else if (Ctrl.value==" " || Ctrl.value.indexOf ('@',0) == -1)
{
alert("Please enter a valid email address.");
theForm.sendersemail.focus();
return(false);
}
else if (Ctrl.value==" " || Ctrl.value.indexOf ('.',0) == -1){
alert("Please enter a valid email address.");
theForm.sendersemail.focus();
return(false);
}

if (theForm.recipientname.value==""){
alert("Please enter your friends name.");
theForm.recipientname.focus();
return(false);
}

Ctrl = theForm.recipientemail;
if (theForm.recipientemail.value==""){
alert("Please enter your friends email address.");
theForm.recipientemail.focus();
return(false);
}
else if (Ctrl.value==" " || Ctrl.value.indexOf ('@',0) == -1)
{
alert("Please enter a valid email address.");
theForm.recipientemail.focus();
return(false);
}
else if (Ctrl.value==" " || Ctrl.value.indexOf ('.',0) == -1){
alert("Please enter a valid email address.");
theForm.recipientemail.focus();
return(false);
}

return(true);
}