function auth(){
    param = "email=" + document.getElementById('email').value + "&password=" + document.getElementById('password').value; 
    document.getElementById("login_form").innerHTML  =  "<img src='./images/wait.gif'>";  
    if (window.XMLHttpRequest) { // Mozilla, Safari, ...
			http_request = new XMLHttpRequest();
			} else if (window.ActiveXObject) { // IE
			http_request = new ActiveXObject("Microsoft.XMLHTTP");
		}
		
		http_request.onreadystatechange = function(){show_auth();};
		
		
		http_request.open('POST', './ajax/login.php', true);
        
		
        http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
      	http_request.setRequestHeader("Content-length", param.length);
     	http_request.setRequestHeader("Connection", "close");
     	http_request.send(param);
}

function show_auth(){
    if (http_request.readyState == 4) {
            // все в порядке, ответ получен
            document.getElementById("login_form").innerHTML  =  http_request.responseText;
            
                } else {
                
                

        // все еще не готово
            }
}         

function auth_try_again(){
        document.getElementById("login_form").innerHTML  = "email<br><input type='text' id='email' name='email'><br><br>password<br><input type='password' id='password' name='password'><br><br><input type='button' onclick='auth()' value='&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;login&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'>";
}

function logout(){
       if (window.XMLHttpRequest) { // Mozilla, Safari, ...
            http_request = new XMLHttpRequest();
            } else if (window.ActiveXObject) { // IE
            http_request = new ActiveXObject("Microsoft.XMLHTTP");
        }
        
        http_request.onreadystatechange = function(){show_logout();};
        
        
        http_request.open('POST', './ajax/logout.php', true);
        
         http_request.setRequestHeader("Connection", "close");
         http_request.send();
}


function show_logout(){
        document.getElementById("login_form").innerHTML  = "email<br><input type='text' id='email' name='email'><br><br>password<br><input type='password' id='password' name='password'><br><br><input type='button' onclick='auth()' value='&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;login&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'>";
}



function order(soft_id){
    
    document.getElementById("order").innerHTML  =  "<img src='./images/wait.gif'>";  
    if (window.XMLHttpRequest) { // Mozilla, Safari, ...
            http_request = new XMLHttpRequest();
            } else if (window.ActiveXObject) { // IE
            http_request = new ActiveXObject("Microsoft.XMLHTTP");
        }
        
        http_request.onreadystatechange = function(){show_order();};
        
        
        http_request.open('POST', './ajax/order.php', true);
        
         param = "soft_id=" + soft_id; 
        http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
          http_request.setRequestHeader("Content-length", param.length);
         http_request.setRequestHeader("Connection", "close");
         http_request.send(param);
}

function show_order(){
    if (http_request.readyState == 4) {
            // все в порядке, ответ получен
            document.getElementById("order").innerHTML  =  http_request.responseText;
            
                } else {
                
                

        // все еще не готово
            }
}