function validareSaveNL() {
var isokform = 1;
 if (isEmpty(document.newsletterform.newsletteremail.value)){
    isokform = 0;
	alert("Please specify your e-mail address!");
	document.newsletterform.newsletteremail.focus();
    return false;
  }
 
 if(!isEmpty(document.newsletterform.newsletteremail.value)) {
     if(!emailCheck(ltrim(document.newsletterform.newsletteremail.value))) {
	    isokform = 0;
		alert("The e-mail address is invalid!");
        document.newsletterform.newsletteremail.focus();    
		return false;
	  }	
  }
 
 if(isokform == 1) {
      var req = false;
	  req = createRequestObject();
	   if(req){
		  req.open("GET", "http://www.dtcperspectives.com/user/checkexistsuser.php?newsletteremail=" + document.newsletterform.newsletteremail.value, false);
		  req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); 
		  req.send(null);
		}
			
		if(req.readyState == 4){
		  if(req.status == 200){
			 var xml = req.responseXML;
			 xmlRoot = xml.documentElement;

 	  	   	  if(xml.getElementsByTagName('emailExists').item(0).firstChild.nodeValue == "yes"){ //file already exists
					emailExists = "yes";
			   }
			  else {
					emailExists = "no";
			  }
		 } else {
		   alert("Not status");
		  }
		} else {
		  alert("Not state");
		}
			

		if (emailExists == "yes"){
  			 alert("Your e-mail address already exists in our database!");
			 document.newsletterform.newsletteremail.focus();
			 return false;
		 }
			
		if (emailExists == "na"){
			alert("Javascript problem! Please try again!");
			document.newsletterform.newsletteremail.focus();
			return false;
		}
		if (emailExists == "no"){
			return saveToDb();
		}
	
 }
 
}

function saveToDb(){
	var req = false;
	var newsletteremail = document.newsletterform.newsletteremail.value;
	document.newsletterform.newsletteremail.value='';
	req = createRequestObject();
	 if(req){
		req.open("POST", "http://www.dtcperspectives.com/user/savetodb.php", false);
		var params = "newsletteremail=" + newsletteremail;
		req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); 
		req.send(params);
 	 }
	 if(req.readyState == 4){
		if(req.status == 200){
				var xml = req.responseXML;
				idEmailsubscriber = xml.getElementsByTagName('idemailsubscriber').item(0).firstChild.nodeValue;
				if (idEmailsubscriber > 0){
				        alert("Congratulations, you have successfully subscribed to our newsletter.");
						return true;
				}
				else{
						alert("Javascript problem! Please try again!");
						return false;
				}
		}
	}
	
}