function validateEmail(email) {
	if(email != "" & email.match(/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i) != null) {
		return true;
	} else {
		return false;
	}
}

function validateArticleTitleAndShortTextForArticle() {
	var title = document.getElementById('title').value;
	var shortText = document.getElementById('shortText').value;

	document.getElementById('titleError').innerHTML = "";
	document.getElementById('shortTextError').innerHTML = "";
	
	var selectedCategoryId = document.getElementById('select_category').options[document.getElementById('select_category').selectedIndex].value;
    
	if(title.length > 100 && selectedCategoryId != 12) {
		document.getElementById('titleError').innerHTML = 'The headline must be shorter than 100 characters';
	} else if(shortText.length > 300 && selectedCategoryId != 12) {	
		document.getElementById('shortTextError').innerHTML = 'The short text will have to be briefer than 300 characters. ';
    } else {
		document.article_edit_form.submit();
	}
}