// JavaScript Document

function checkform()
{
	if (value of first field is or isn't something)
	{
		// something is wrong
		alert('There is a problem with the first field');
		return false;
	}
	else if (value of next field is or isn't something)
	{
		// something else is wrong
		alert('There is a problem with...');
		return false;
	}
	// If the script gets this far through all of your fields
	// without problems, it's ok and you can submit the form

	return true;
}