/**
 * @author Kliment Petkov
 */

function trim(string) {
	return string.replace(/^\s+|\s+$/g,"");
}

function ltrim(string) {
	return string.replace(/^\s+/,"");
}

function rtrim(string) {
	return string.replace(/\s+$/,"");
}

WindowCloseKey.init(27);

function submitEmailForm() {
	var error = '';
	var form = $('frmemail');

	var subject = $F(form['subject']);
	if (trim(subject) == '') {
		error = true;
		errorField(form['subject'],'Please fill in email subject!');
	}
	var messagebody = $F(form['messagebody']);
	if (!error && trim(messagebody)=='') {
		error = true;
		errorField(form['messagebody'], 'Please fill in message content!');
	}
	if (error){ return; }
	form.submit();
}
	
function submitOnEnter(event){
	if (event.keyCode==13){ submitEmailForm(); }
}