var newsletter_x = 130 ;
function join_newsletter() {
	if(document.getElementById('newsletterdiv').style.visibility == "visible") return ;
	var email = document.getElementById('mce-EMAIL').value ;
	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	if(reg.test(email) == false) {
		alert('Indtast gyldig email') ;
		return false;
	}
	var newsletter_x = 130 ;
	document.getElementById('newsletterdiv').style.visibility = "visible" ;
	document.getElementById('mce-EMAIL').value = "" ;
	setTimeout("rollup_newsletterbox ()",200) ;
}

function hide_newsletterbox() {
	rolldown_newsletterbox() ;
}

function rollup_newsletterbox () {
	newsletter_x -= 4 ;
	if(newsletter_x < 0) return ;
	document.getElementById('newsletterdiv').style.top = newsletter_x + "px" ;
	setTimeout("rollup_newsletterbox()",5)
}
function rolldown_newsletterbox () {
	newsletter_x+=4 ;
	if(newsletter_x > 130) {
		document.getElementById('newsletterdiv').style.visibility = "hidden" ;
		return ;
	}
	document.getElementById('newsletterdiv').style.top = newsletter_x + "px" ;
	setTimeout("rolldown_newsletterbox()",5)
}