var http_request = false;
function makePOSTRequest(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('POST', url, true);
      http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
      http_request.setRequestHeader("Content-length", parameters.length);
      http_request.setRequestHeader("Connection", "close");
      http_request.send(parameters);
}

function alertContents() {
  if (http_request.readyState == 4) {
	 if (http_request.status == 200) {
		//alert(http_request.responseText);
		result = http_request.responseText;
		document.getElementById('myspan').innerHTML = result;            
	 } else {
		alert('There was a problem with the request.');
	 }
  }
}
   
function get(obj) {
      var poststr = "dealer_id=" + encodeURI( document.getElementById("dealer_id").value ) +
                    "&name=" + encodeURI( document.getElementById("name").value ) +
					"&address=" + encodeURI( document.getElementById("address").value ) +
					"&phone=" + encodeURI( document.getElementById("phone").value ) +
					"&email=" + encodeURI( document.getElementById("email").value ) +
					"&message=" + encodeURI( document.getElementById("message").value ) +
					"&verifycode=" + encodeURI( document.getElementById("verifycode").value +
					"&submit=1" );
      makePOSTRequest('contact_dealer.php', poststr);
}

function showcontactbox(box_id) {
	var text;
	document.getElementById('overlay').style.display = "block";
	document.getElementById(box_id).style.display = "block";

	window.scrollTo(0,0);
	
	bod = document.getElementsByTagName('body')[0];
	bod.style.height = '100%';
	bod.style.overflow = 'hidden';
  
	htm = document.getElementsByTagName('html')[0];
	htm.style.height = '100%';
	htm.style.overflow = 'hidden';
}

function hidecontactbox(box_id){
	document.getElementById('overlay').style.display = "none";
 	document.getElementById(box_id).style.display = "none";

	bod = document.getElementsByTagName('body')[0];
	bod.style.height = 'auto';
	bod.style.overflow = 'auto';
  
	htm = document.getElementsByTagName('html')[0];
	htm.style.height = 'auto';
	htm.style.overflow = 'auto';
	
	document.getElementById('myspan').innerHTML = "";            

}