function check_form()
{
    var flag = true;
    var message = "";
    if(document.getElementById("paymentmethod").value=="")
    {
        message += "Please Select Payment Method\n";
        document.getElementById("paymentmethod").focus();
        flag = false;    
    }
    if(document.getElementById("coursetype").value=="")
    {
        message += "Please Select Course Type\n";
        document.getElementById("coursetype").focus();
        flag = false;    
    }
    if(document.getElementById("name").value=="")
    {
        message += "Please Enter Name\n";
        document.getElementById("name").focus();
        flag = false;    
    }
    if(document.getElementById("email").value=="")
    {
        message += "Please Enter Email Address\n";
        document.getElementById("email").focus();
        flag = false;    
    }
    if(document.getElementById("phone").value=="")
    {
        message += "Please enter Phone Number\n";
        document.getElementById("phone").focus();
        flag = false;    
    }
    if(document.getElementById("dob-day").value=="")
    {
        message += "Please Select Day for date of birth\n";
        document.getElementById("dob-day").focus();
        flag = false;    
    }
    if(document.getElementById("dob-month").value=="")
    {
        message += "Please Select Month for date of birth\n";
        document.getElementById("dob-month").focus();
        flag = false;    
    }
    if(document.getElementById("dob-year").value=="")
    {
        message += "Please Select Yesr for date of birth\n";
        document.getElementById("dob-year").focus();
        flag = false;    
    }
    if(document.getElementById("prefdate-day").value=="")
    {
        message += "Please Select Day for Preferred date\n";
        document.getElementById("prefdate-day").focus();
        flag = false;    
    }
    if(document.getElementById("prefdate-month").value=="")
    {
        message += "Please Select Month for Preferred date\n";
        document.getElementById("prefdate-month").focus();
        flag = false;    
    }
    if(document.getElementById("prefdate-year").value=="")
    {
        message += "Please Select Year for Preferred date\n";
        document.getElementById("prefdate-year").focus();
        flag = false;    
    }
    if(document.getElementById("secdate-day").value=="")
    {
        message += "Please Select Day for date of birth\n";
        document.getElementById("dob-day").focus();
        flag = false;    
    }
    if(document.getElementById("secdate-month").value=="")
    {
        message += "Please Select Month for date of birth\n";
        document.getElementById("dob-day").focus();
        flag = false;    
    }
    if(document.getElementById("secdate-year").value=="")
    {
        message += "Please Select Year for date of birth\n";
        document.getElementById("dob-day").focus();
        flag = false;    
    }
    if(document.getElementById("numberingroup").value=="")
    {
        message += "Please Select Number In Groups\n";
        document.getElementById("numberingroup").focus();
        flag = false;    
    }
    
    if(!flag)
        alert(message);
    
    return flag;
}