function getportfolio(page) {
  var load_name;
  if (page == "3ddesigns") {
    load_name = "3D Models & Animations";
  } else if (page == "graphicdesigns") {
    load_name = "2D Designs";
  } else if (page == "websites") {
    load_name = "Websites";
  } else if (page == "games") {
    load_name = "Games";
  } else if (page == "programs") {
    load_name = "Programs";
  } 
  document.getElementById('page_holder').innerHTML = "<h3><img src=\"images/loading.gif\" height=\"16px\" width=\"16px\"> Loading "+load_name+"... Please Wait</h3>";
  var getstr = ""; 
  makeRequest('inc_portfolio/'+page+'.php', getstr);
}

function getdownloads(page) {
  var load_name;
  if (page == "games") {
    load_name = "Games";
  } else if (page == "programs") {
    load_name = "Programs";
  } 
  document.getElementById('page_holder').innerHTML = "<h3><img src=\"images/loading.gif\" height=\"16px\" width=\"16px\"> Loading "+load_name+"... Please Wait</h3>";
  var getstr = ""; 
  makeRequest('inc_downloads/'+page+'.php', getstr);
}

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;
        document.getElementById('page_holder').innerHTML = result;            
     } else {
        document.getElementById('page_holder').innerHTML = "<h2>Error: Please check your internet connection...</h2>";
     }
  }
}