//
// My little AJAX (Patch/Frame) Work
// 
function getElement(id){
	if(document.getElementById){
		getElement = function(id){ return document.getElementById(id); }
	}else if(document.all){
		getElement = function(id){ return document.all[id]; };
	}else if(document.layers){
		getElement = function(id){ return document.layers[id]; };
	}else{
		getElement = function() { return null; }
	}

	// When we get here, the getElement function has been replaced.
	// So we return the result of the new function.
	return getElement(id);
}


function getdata(what,where, id) { // get data from source (what)
	
	getdata2(what,where, id);

}


function getdata2(what,where, id) { // get data from source (what)

if (id == null) id = "xyz";

 try {
   id = window.XMLHttpRequest?new XMLHttpRequest():
  		new ActiveXObject("Microsoft.XMLHTTP");
 }
 catch (e) { /* do nothing */ }

 id.onreadystatechange = function()  // when request finished, call the function to put result to destination DIV
 {
 	  triggered(where, id);
 }
 id.open("GET", what);
 id.send(null);
  return false;
}

function triggered(id, req) { // put data returned by requested URL to selected DIV
  if (req.readyState == 4) { 
	  if (req.status == 200)
		  document.getElementById(id).innerHTML =req.responseText;
      }
}


var http_request = false;
// makePOSTRequest('post.php', poststr);

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.');
      }
   }
}

//ued_encode() will take an array as its argument and return the data encoded in UED format - as a string.
//http://www.openjs.com/scripts/data/ued_url_encoded_data/
function ued_encode(arr,current_index) {
	var query = ""
	if(typeof current_index=='undefined') current_index = '';

	if(typeof(arr) == 'object') {
		var params = new Array();
		for(key in arr) {
			var data = arr[key];
			var key_value = key;
			if(current_index) {
				key_value = current_index+"["+key+"]"
			}

			if(typeof(data) == 'object') {
				if(data.length) { //List
					for(var i=0;i<data.length; i++) {
						params.push(key_value+"[]="+ued_encode(data[i],key_value)); //:RECURSION:
					}
				} else { //Associative array
					params.push(ued_encode(data,key_value)); //:RECURSION:
				}
			} else { //String or Number
				params.push(key_value+"="+encodeURIComponent(data));
			}
		}
		query = params.join("&");
	} else {
		query = encodeURIComponent(arr);
	}

	return query;
}





/**
	Stacks onload calls
*/

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}