function checkForm(oForm)
{
	var errors = '';
	if (oForm.strFirstName.value.length == 0)
		errors += 'Error: "First name" is not registered.' + "\n";
	if (oForm.strLastName.value.length == 0)
		errors += 'Error: "Last name" is not registered.' + "\n";
	if (oForm.strOrganization.value.length == 0)
		errors += 'Error: "University/Organization" is not registered.' + "\n";
	if (oForm.strEmail.value.length == 0)
		errors += 'Error: "E-mail" is not registered.' + "\n";
	if (document.getElementById('abstractfile').value.length == 0)
		errors += 'Error: No document is selected for submission.' + "\n";
	if (oForm.boolInstructionsAccepted.checked == false)
		errors += 'Error: "Instructions for submission" is not checked.' + "\n";
	if (errors.length > 0)
	{
		alert(errors + "\n" + 'Please correct the above errors before continuing.');
		return false;
	}
	return true;
}