// JavaScript Document
var nameclicked = false;
var emailclicked = false;
var phoneclicked = false;
function setSignupName() {
	if(nameclicked==false) {
		document.getElementById("signup").name.value='';
		nameclicked=true;
		document.getElementById("signup").name.style.color="#000000;"
	}
}
function setSignupEmail() {
	if(emailclicked==false) {
		document.getElementById("signup").email.value='';
		emailclicked=true;
	}
}
function resetName() {
	if(document.getElementById("signup").name.value==""||document.getElementById("signup").name.value==null) {
		document.getElementById("signup").name.value='Name';
		nameclicked=false;
	}
}
function resetEmail() {
	if(document.getElementById("signup").email.value==""||document.getElementById("signup").email.value==null) {
		document.getElementById("signup").email.value='Email';
		emailclicked=false;
	}
}

   var http_request = false;
   function makeRequest(url, parameters) {
      http_request = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
         	// set type accordingly to anticipated content type
            //http_request.overrideMimeType('text/xml');
            http_request.overrideMimeType('text/html');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
      if (!http_request) {
         alert('Cannot create XMLHTTP instance');
         return false;
      }
      http_request.onreadystatechange = alertContents;
      http_request.open('GET', url + parameters, true);
      http_request.send(null);
   }

   function alertContents() {
      if (http_request.readyState == 4) {
         if (http_request.status == 200) {
            result = http_request.responseText;
	//alert(result);
	if(result=='exists') {
		alert('The email address you entered has already been subscribed to our newsletter');
	}
            document.getElementById('form-result').innerHTML = result;            
         } else {
            alert('There was a problem with the request.');
         }
      }
   }
   
   function get(obj) {
      var getstr = "?";
     if(document.getElementById('signup').email.value!=''&&document.getElementById('signup').email.value!='Email'&&document.getElementById('signup').name.value!=''&&document.getElementById('signup').name.value!='Name') {
     	 getstr += 'email' + "=" + document.getElementById('signup').email.value + "&";
    	  getstr += 'name' + "=" + document.getElementById('signup').name.value; 
	 makeRequest('blog/subscribe.php', getstr);
	}
else {
	alert("Please fill out all fields");
}  
  
}