function validate() 
{
    if (document.boookstore.Department.selectedIndex==0)
    {
    alert('Please enter your Department.');
    return false;
    }
    
    if (document.bookstore.CourseNumber.value=='')
	{
    alert('Please enter your First Name.');
    return false;
    }
    
	if (document.bookstore.SectionNumber.value=='')
	{
    alert('Please enter your Last Name.');
    return false;
    }
    
    if (document.bookstore.Email.value=='')
	{
    alert('Please enter your Email Address.');
    return false;
    }
    

}