var editing=false;
var edittoken = null;
var PageName = null;
function cancel()
{
    var element = document.getElementById("editing1");
    element.parentNode.removeChild(element);
    editing = false;
}

function save(section)
{
section+=1
   $.ajax({
        url: wgScriptPath + '/api.php',
        data: {
            'action': 'edit',
            'title': PageName,
            'section': section,
            'summary': document.getElementById("editsummary1").value,
            'text':  document.getElementById("thesectiondata").value,
            'format': 'json',
            'minor' : document.getElementById("minor1").checked,
            'token': edittoken
        },
        dataType: 'json',
        type: 'POST',
        success: function( data ) {
            if ( data.edit && data.edit.result == 'Success' ) {
cancel();
                window.location.reload(); // reload page if edit was successful
            } else if ( data.error ) {
                alert( 'Error: API returned error code' + data.error.code + ' with info ' + data.error.info );
            } else {
                alert( 'Error: Unknown result from API.' );
            }
        },
        error: function( xhr ) {
            alert( 'Error: Edit failed.' );
        }
    });
}

function initsection(count)
{
editsection(count);
setTimeout("updateheight()",300);
setTimeout("updateheight()",500);
setTimeout("updateheight()",2000);
}

function editsection(header)
{
   if(editing)
   {return;}
    editing=true;

$.getJSON(
        wgScriptPath + '/api.php?',
        {
            action: 'query',
            prop: 'info',
            intoken: 'edit',
            titles: PageName,
            indexpageids: '',
            format: 'json'
        },
        function( data ) {
            if ( data.query.pages && data.query.pageids ) {
                var pageid = data.query.pageids;
                edittoken = data.query.pages.edittoken;
            }
        }
    )

$.get('http://en.wikipedia.org/w/api.php?action=query&prop=revisions&titles='+PageName+'&rvprop=content&rvsection='+(header+1)+'&format=xml', function(data) {

 var ccontent = $(data).find("rev").text();

document.getElementsByClassName("mw-headline").innerHTML = document.getElementsByClassName("mw-headline").innerHTML + "<table id=\"editing1\" width=\"100%\"><tr><td colspan=3><textarea id=\"thesectiondata\" onkeyup=javascript:updateheight();>"+ccontent+"</textarea></td><td width=\"5px\"/></tr><tr><td width=\"200px\"><button type=\"button\" onclick=javascript:save("+header+")>Submit</button><button type=\"button\" onclick=javascript:cancel()>Cancel</button><input id=\"minor1\" type=\"checkbox\" name=\"minor1\" value=\"minor1\" /><label for=\"minor1\"><small>Minor</small></label> </td><td colspan=2><input id=editsummary1 type=\"text\" style=\"width:100%; display:block;\" /></span></td></tr></table>";

})

}

function updateheight()
{
var h1 = document.getElementById("thesectiondata").style.height.replace("px","");
var h = parseInt(h1)-25;
var sh = document.getElementById("thesectiondata").scrollHeight;

    if(!h1 || h < sh)
    {
    document.getElementById("thesectiondata").style.height = 10+"px"; 
    document.getElementById("thesectiondata").style.height = (25+document.getElementById("thesectiondata").scrollHeight)+"px"; 
    }
}

$(function (){
var i = 0;

while(i<document.getElementsByClassName("editsection").length)
{
var elem = document.getElementsByClassName("editsection").getElementsByTagName("a");
var page = String(elem.href).substring(String(elem.href).search("title=")+6,String(elem.href).search("&"));

document.getElementsByClassName("editsection").innerHTML = "";

i++;
}

});