function validate_instructor_signup() {
var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/;
if(document.instructor_signup.name.value == "") {
alert("Please enter name");
document.instructor_signup.name.focus();
return false;
}

if(document.instructor_signup.email.value == "") {
alert("Please enter email");
document.instructor_signup.email.focus();
return false;
}

if(document.instructor_signup.password.value == "") {
alert("Please enter password");
document.instructor_signup.password.focus();
return false;
}

return true;

}



function validate_login() {
var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/;
//alert(document.user_login.user_email.value );

if(document.user_login.user_email.value == "") {
alert("Please enter email");
document.user_login.user_email.focus();
return false;
}

if(document.user_login.user_password.value == "") {
alert("Please enter password");
document.user_login.user_password.focus();
return false;
}

if(document.user_login.user_type.value == "") {
alert("Please enter user type");
document.user_login.user_type.focus();
return false;
}

return true;

}


function validate_event_add() {
var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/;
//alert(document.user_login.user_email.value );

if(document.add_event.title.value == "") {
alert("Please enter title");
document.add_event.title.focus();
return false;
}

if(document.add_event.what.value == "") {
alert("Please enter what");
document.add_event.what.focus();
return false;
}

if(document.add_event.when.value == "") {
alert("Please enter when");
document.add_event.when.focus();
return false;
}

if(document.add_event.where.value == "") {
alert("Please enter where");
document.add_event.where.focus();
return false;
}

return true;

}