function validate(form)
{
switch (form.name)
 {
 case "BuyerRegistration" :		
      	if (form.FirstName.value== "")
		      {alert ("Please Enter First Name");
			  form.FirstName.focus();
			  return false; } 
		else if (form.LastName.value== "")
		      {alert ("Please Enter Last Name");
			  form.LastName.focus();
			  return false; } 
		else  if ( form.Email.value.match((/\b(^(\S+@).+((\.com)|(\.net)|(\.edu)|(\.mil)|(\.gov)|(\.org)|(\..{2,2}))$)\b/gi))== null)
		      { alert("Your email address seems incorrect.  Please try again (check the '@' and '.'s in the email address)");
              form.Email.focus();
		      form.Email.select();
		      return false; }
		else if (form.Pwd.value== "")
		      {alert ("Please Enter Your Password");
			  form.Pwd.focus();
			  return false; }
	//	else if (form.Address.value== "")
		//     {alert ("Please Enter Address");
		//	  form.Address.focus();
	//	  return false; } 	  
		else if (form.City.value== "")
		      {alert ("Please Enter City");
			  form.City.focus();
			  return false; } 
		
		else 
			 return true;
case "SellerRegistration" :		
      	if (form.FirstName.value== "")
		      {alert ("Please Enter First Name");
			  form.FirstName.focus();
			  return false; } 
		else if (form.LastName.value== "")
		      {alert ("Please Enter Last Name");
			  form.LastName.focus();
			  return false; } 
		else if (form.DisplayName.value== "")
		      {alert ("Please Enter Display Name");
			  form.DisplayName.focus();
			  return false; }
		else  if ( form.Email.value.match((/\b(^(\S+@).+((\.com)|(\.net)|(\.edu)|(\.mil)|(\.gov)|(\.org)|(\..{2,2}))$)\b/gi))== null)
		      { alert("Your email address seems incorrect.  Please try again (check the '@' and '.'s in the email address)");
              form.Email.focus();
		      form.Email.select();
		      return false; }
		else if (form.Pwd.value== "")
		      {alert ("Please Enter Your Password");
			  form.Pwd.focus();
			  return false; }
		else if (form.Address.value== "")
		      {alert ("Please Enter Address");
			  form.Address.focus();
			  return false; } 	  
		else if (form.City.value== "")
		      {alert ("Please Enter City");
			  form.City.focus();
			  return false; } 
		
		else 
			 return true;
case "UpdateSeller" :		
      	if (form.Pwd.value== "")
		      {alert ("Please Enter Your Password");
			  form.Pwd.focus();
			  return false; }
		else if (form.Address.value== "")
		      {alert ("Please Enter Address");
			  form.Address.focus();
			  return false; } 	  
		else if (form.City.value== "")
		      {alert ("Please Enter City");
			  form.City.focus();
			  return false; } 
		else 
			 return true;			 
 default :
        return true;

  }
}