/*--------------------------------------------------------------------
Basic Javascript Sheet - Frontoffice

Version: 2.0
Copyright: 2010, dicode® VOF - understanding internet
W: www.dicode.nl
E: info@dicode.nl
T: 0570-750680
--------------------------------------------------------------------*/

/* Global
--------------------------------------------------------------------*/

function checkNewsForm() {
	
	var frm = document.getElementById("frm_news");
	
	if( frm['email'].value == "" ) {
		alert("Je moet wel een e-mailadres opgeven!");
		frm['email'].focus();
		return false;
	}
	if( frm['email'].value != "" && !isEmail(frm['email'].value) ) {
		alert("Je e-mailadres is niet gelding.");
		frm['email'].focus();
		return false;
	}
	
	frm.submit();
	
	return true;
} 

function isEmail(strEmail) {
	var AtSym    = strEmail.indexOf('@')
	var Period   = strEmail.lastIndexOf('.')
	var Space    = strEmail.indexOf(' ')
	var Length   = strEmail.length - 1
	
	if( AtSym < 1 || Period <= AtSym + 1 || Period == Length || Space != -1 )
	 return false;

	return true;
}