this JS code will send selected text to server

Originally reported on Google Code with ID 313
/*this JS code will send selected text to server with POST method: var query = 'txt='+txt*/
document.onmouseup  = StartReq; 
var req = Create();  // creating reqest
var handleFile = 'capture.php'; //request will be sent to this file
text_for_sending = document.getSelection();
function Create() 
{  
        if(navigator.appName == "Microsoft Internet Explorer")
        {  
                req = new ActiveXObject("Microsoft.XMLHTTP");  
        }
        else
        {  
                        req = new XMLHttpRequest();  
        }  
        return req;  
}

function Request(query) //function for reqest setup and sending
{   
        req.open('post' /*request type*/, handleFile , true /*async request*/ );  
        req.onreadystatechange = Redraw; 
        req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=utf-8");

        req.send(query);       
}   

function StartReq() 
{  
        var radios  = document.getElementsByName("switch");
        if(radios[0].checked)
        { 
                //encodeURIComponent need when user will select symbols like &%'/ ...

                var txt = encodeURIComponent(text_for_sending); 
                var query = 'txt='+txt; 
                Request(query) ;
        }
}
//////////////////////////////////////////////////////////////////////////////////
function Redraw() 
{ 
        //while request sending back, DIV will show 'loading.gif '
        var a = req.readyState;    
        if( a == 4 ) 
        { 
                var b = req.responseText;  
                document.getElementById('answer').innerHTML ='<p><h2>Result </h2></p>
'+ b;  
        } 
        else 
        { 
                document.getElementById('answer').innerHTML = '<p><h2>Result </h2></p><img
src="loading.gif" />'; 
        } 
}
Reported by 1invaderzim1 on 2014-12-09 21:12:54
Comments (1)
