function validate_email(field)
{
with (field)
{
apos=value.indexOf("@")
dotpos=value.lastIndexOf(".")
if (apos<1||dotpos-apos<2){
return true
}
else {
return false
}
}
}


function validate() {

var theMessage = "Please complete the following: \n-----------------------------------\n";
var noErrors = theMessage

// make sure field is not blank


if (document.form1.txtName.value=="") {
theMessage = theMessage + "\n - Name.";
document.form1.txtName.focus( );
}

if (document.form1.txtEmail.value!="")
{
	if (validate_email(document.form1.txtEmail)) {
	theMessage = theMessage + "\n - Invalid Email Address.";
	document.form1.txtEmail.focus( );
	}
}

if (document.form1.txtEmail.value=="")
{
	theMessage = theMessage + "\n - Email Address.";
	document.form1.txtEmail.focus( );
}



if (document.form1.txtMessage.value==""){
theMessage = theMessage + "\n - Message.";
document.form1.txtMessage.focus( );
}



// If no errors, submit the form
if (theMessage == noErrors) {
document.form1.submit;
return true;
} else {

// If errors were found, show alert message
alert(theMessage);
return false;
}
}