function checkform ( form )

{



	var AccEmail = form.email;

	var ConfirmEmail = form.confirmemail;



  if (form.firstname.value == "") {

    alert( "Please enter your First name." );

    form.firstname.focus();

    return false ;

  }

  if (form.lastname.value == "") {

    alert( "Please enter your Last name." );

    form.lastname.focus();

    return false ;

  }



  if (form.email.value == "") {

    alert( "Please enter your Email address." );

    form.email.focus();

    return false ;

  }

  

  if(form.email.value.indexOf('@')==-1)

   {

     alert("Enter correct Email Id");

     form.email.value="";

     form.email.focus();

        return false ;

  }

  

    if(form.email.value.indexOf('.')==-1)

     {

       alert("Enter correct Email Id");

       form.email.value="";

       form.email.focus();

          return false ;

  }

      if(form.email.value.indexOf(',')!=-1)

       {

         alert("Enter correct Email Id");

         form.email.value="";

         form.email.focus();

            return false ;

  }

        if(form.email.value.indexOf(';')!=-1)

         {

           alert("Enter correct Email Id");

           form.email.value="";

           form.email.focus();

              return false ;

  }

  if (form.confirmemail.value == "") {

    alert( "Please confirm your Email address." );

    form.confirmemail.focus();

    return false ;

  }







	if (form.email.value != form.confirmemail.value ){		

			alert("Your email address does not match. Please try again.");

            form.confirmemail.focus();

            form.confirmemail.select();		

			return false;

	}



  



  

if (form.payment.selectedIndex == 0)

{

alert("Please select mode of payment");

form.payment.focus();

return (false);

}



  return true ;

}







function display(obj,id1,id2,id3) {

txt = obj.options[obj.selectedIndex].value;

document.getElementById(id1).style.display = 'none';

document.getElementById(id2).style.display = 'none';

document.getElementById(id3).style.display = 'none';



if ( txt.match(id1) ) {

document.getElementById(id1).style.display = 'block';

}



if ( txt.match(id2) ) {

document.getElementById(id2).style.display = 'block';

}



if ( txt.match(id3) ) {

document.getElementById(id3).style.display = 'block';

}



}