// JavaScript Document

function refresh_twitter(page) {	
	$.ajax({
	  url: page,
	  cache: false,
	  success: function(html){
		$("#twitter").empty();
		$("#twitter").append(html);
		}
	});	
}


function refresh_photo(page) {
	$.ajax({
	  url: page,
	  cache: false,
	  success: function(html){
		$("#photo").empty();
		$("#photo").append(html);
		}
	});	
}

function refresh_blog(page) {
	$.ajax({
	  url: page,
	  cache: false,
	  success: function(html){
		$("#announcements").empty();
		$("#announcements").append(html);
		}
	});	
}

function refresh_player(page) {
	$.ajax({
	  url: page,
	  cache: false,
	  success: function(html){
		$("#player").empty();
		$("#player").append(html);
		}
	});
}



















/*
	Function Name: createXHR
	Arguments: none
	Returns: browser-specific xmlhttp object or false
*/
function createXHR()
{
	try
	{
		var xmlhttp = new XMLHttpRequest();
	}
	catch(err1)
	{
		var ieXmlHttpVersions = new Array();
		ieXmlHttpVersions[ieXmlHttpVersions.length] = "MSXML2.XMLHttp.7.0";
		ieXmlHttpVersions[ieXmlHttpVersions.length] = "MSXML2.XMLHttp.6.0";
		ieXmlHttpVersions[ieXmlHttpVersions.length] = "MSXML2.XMLHttp.5.0";
		ieXmlHttpVersions[ieXmlHttpVersions.length] = "MSXML2.XMLHttp.4.0";
		ieXmlHttpVersions[ieXmlHttpVersions.length] = "MSXML2.XMLHttp.3.0";
		ieXmlHttpVersions[ieXmlHttpVersions.length] = "MSXML2.XMLHttp";
		ieXmlHttpVersions[ieXmlHttpVersions.length] = "Microsoft.XMLHttp";
		
		var i;
		for (i=0; i < ieXmlHttpVersions.length; i++)
		{
			try
			{
				var xmlhttp = new ActiveXObject(ieXmlHttpVersions[i]);
				break;
			}
			catch (err2)
			{
				//do nothing
			}
		}
	}
	return xmlhttp;
}


/*   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) {
            //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,url) {
      var getstr = "?";
      for (i=0; i<obj.childNodes.length; i++) {
         if (obj.childNodes[i].tagName == "INPUT") {
            if (obj.childNodes[i].type == "text") {
               getstr += obj.childNodes[i].name + "=" + obj.childNodes[i].value + "&";
            }
            if (obj.childNodes[i].type == "checkbox") {
               if (obj.childNodes[i].checked) {
                  getstr += obj.childNodes[i].name + "=" + obj.childNodes[i].value + "&";
               } else {
                  getstr += obj.childNodes[i].name + "=&";
               }
            }
            if (obj.childNodes[i].type == "radio") {
               if (obj.childNodes[i].checked) {
                  getstr += obj.childNodes[i].name + "=" + obj.childNodes[i].value + "&";
               }
            }
         }   
         if (obj.childNodes[i].tagName == "SELECT") {
            var sel = obj.childNodes[i];
            getstr += sel.name + "=" + sel.options[sel.selectedIndex].value + "&";
         }
         
      }
      makeRequest(url, getstr);
//	  alert ( getstr );
   }*/