var phoneblock = document.getElementById('msw_blok_telefoon');

function tShowPhone() {
	if( phoneblock.style.display != 'block' ) {
		phoneblock.style.display = 'block';
		window.scroll(0,0);
	} else {
		phoneblock.style.display = 'none';
	}
}

function phoneCheck(form) {
	if( chkphone = checkPhone(form) ) {
		document.getElementById("PhoneEnterBtn").disabled = true;

		window.onunload = function() {
			document.getElementById("PhoneEnterBtn").disabled = false;
		}
		
		var ms = document.getElementById("SharedObject");
		if(ms != undefined && ms != null) {
			ms.clear('model');
			ms.set('skipnextset', 'true')
		}

		return chkphone;
	} else {
		return chkphone;
	}
}