var ii = true;
function clearInput(){
	if(ii){
		document.getElementById('email').value = '';
		document.getElementById('email').style.color = '#FFF';
		ii = false;
	}
}
function checkMail(){	
	var email = document.getElementById('email').value;
	var strReg = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	var mailTest = strReg.exec(email);				
	if(email.length <= 0 || email == 'E-Mail bitte hier eingeben'){
		document.getElementById('newsletter-info').style.display = 'none';
		document.getElementById('error').style.display = 'block';
		document.getElementById('email').style.borderColor = '#E2001A';
		return false;
	}else if(!mailTest){
		document.getElementById('newsletter-info').style.display = 'none';
		document.getElementById('error').style.display = 'block';
		document.getElementById('email').style.borderColor = '#E2001A';
		return false;
	}else{
		document.getElementById('error').style.display = 'none';
		document.getElementById('newsletter-info').innerHTML = 'Daten werden &uuml;bermittelt...';
		document.getElementById('newsletter-info').style.display = 'block';
		document.getElementById('email').style.borderColor = '#FFF';
		return true;
	}
}