function checkEmail(strEmail) { 
	return (strEmail.search(/^[\w\.\-_]*[A-Z|a-z|0-9]{1}@([\w\-_]+\.)+[A-Za-z]{2,4}$/) != -1)
}

function CheckIsIE() 
{ 
	if (navigator.appName.toUpperCase() == 'MICROSOFT INTERNET EXPLORER') { return true;} 
	else { return false; } 
} 
function fnTrapKP(e)
{ 
	var keynum;
	if(window.event) // IE
	{
	  keynum = e.keyCode;
	}
	else if(e.which) // Netscape/Firefox/Opera
	{
	  keynum = e.which;
	}
	if (keynum == 13) 
	{ 
		e.returnValue = false; 
		e.cancelBubble = true; 
		fnSearch(); 
	} 
}
function CheckLogin() {
	var oFrm = document.forms.frmSendLogin;
	var errLvl = 0;
	var errMsg = 'De volgende velden zijn niet of niet juist ingevuld\n\n';
	if (oFrm.txtLogin.value == '') { errLvl = 1; errMsg += '- Er is geen loginnaam ingevuld\n'; }
	if (oFrm.txtPassWord.value == '') { errLvl = 1; errMsg += '- Er is geen wachtwoord ingevuld\n'; }
	if(errLvl != 0) { alert(errMsg); } else { oFrm.submit(); }
}
function checkZipCode(sZipCode) {
	if (sZipCode == ''){
		return false;
	} else {
		//return (sZipCode.search(/^\d{4}\s{1}[a-z,A-Z]{2}$/) != -1);
		return (sZipCode.search(/^\d{4}\s{0,1}[a-z,A-Z]{0,2}$/) != -1);
	}
}