function checkStudentForm() {
	// Check cover letter and resume file types.
	var displayErr = '';

	var coverLetterStr = $('#cover_letter').attr('value');

	if (coverLetterStr != '') {
		var coverLetterArr = coverLetterStr.split('\.');
		var coverLetterExt = coverLetterArr[coverLetterArr.length-1];

		if (coverLetterExt.toLowerCase() != 'pdf') {
			displayErr += 'The file selected for your cover letter is not a PDF.\n';
			// For debug.
			//displayErr += coverLetterExt + '\n';
		}
	}

	var resumeStr = $('#resume').attr('value');

	if (resumeStr != '') {
		var resumeArr = resumeStr.split('\.');
		var resumeExt = resumeArr[resumeArr.length-1];

		if (resumeExt.toLowerCase() != 'pdf') {
			displayErr += 'The file selected for your resum\351 is not a PDF.\n';
			// For debug.
			//displayErr += resumeExt + '\n';
		}
	}

	if (displayErr != '') {
		alert(displayErr);
		return false;
	}

	return true;
}