function callNewsletter()
{
	var isE = isEmail($F('vNEmail'));
	if(isE == true)
	{
		var url = SITE_URL+"index.php?file=c-newsletter";
		var pars = '&mail='+$F('vNEmail');
		var myAjax = new Ajax.Request(
			url, 
			{
				method: 'get', 
				parameters: pars, 
				onComplete: getnewsresponse
			});
		
	}
	else
	{
		alert(MSG_EMAIL_ADDRESS);
		$('vNEmail').select();
		return false;
	}
}

function getnewsresponse(originalRequest)
{
	//put returned XML 
	if(originalRequest.responseText.indexOf('invalid') == -1)
	{
		var xmlDocument = originalRequest.responseXML;
		var message = xmlDocument.getElementsByTagName('msg').item(0).firstChild.data;
		alert(message);
		$("vNEmail").value = NewsMsg;
	}	
}
function getclear(obj){

	if(obj.value == NewsMsg){
		obj.value='';
	}
}
function getDefaultValue(obj){
	if(obj.value == ""){
		obj.value = NewsMsg;
	}
}