// AJAX VARS 
var xmlHttp;
var elm;

// AJAX FUNCTIONS
function GetXmlHttpObject() {
    try {
      // Firefox, Opera 8.0+, Safari
      xmlHttp=new XMLHttpRequest();
    } catch (e) {
      // Internet Explorer
        try {
            xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
        }
    }
    return xmlHttp;
}

function uploadImage (value, imagepath) {

    xmlHttp=GetXmlHttpObject();
    if (xmlHttp==null) {
        alert ("Your browser does not support AJAX!");
        return;
    }
    
    xmlHttp.onreadystatechange = function() {
        
        elm = document.getElementById("uploaded");
        elm2 = document.getElementById("msg");
        elm3 = document.getElementById("felt");
        elm4 = document.getElementById("done");
        
        if (xmlHttp.readyState < 4 && xmlHttp.readyState > 0) {
            
            elm3.style.display = 'none';
            
            elm2.style.display = 'inline;'
            elm2.innerHTML = "<div style=\"padding: 3px 7px 7px 7px;font-weight: bold;\"><img src=\"../gfx/loader.gif\" alt=\"\" /></div>";
            
            
        
        }
        
        if(xmlHttp.readyState == 4) {
            
            //document.getElementById("filfelt").readOnly = false;
            //document.getElementById("filfelt").value = '';
            elm3.style.display = 'inline';
            elm2.style.display = 'none';
            elm.innerHTML = elm.innerHTML + xmlHttp.responseText; 
            
            if (elm.innerHTML.length > 0) {
                elm4.innerHTML = '<div style="padding: 10px 0 0 0;"><input type=\"button\" value=\"Færdig med upload\" onclick=\"location.href=\'billed_liste.php?path=' + imagepath + '\'\"></a></a>'
            }
              
               
        }
        
    }
    
    xmlHttp.open("POST","../ajax-files/upload.php?value=" + value + "&imagepath=" + imagepath);
    xmlHttp.send(null);
    

}

function rename_file (go, id, path, file, ext, folderpath) {
    
    var elm = document.getElementById("item" + id);
    
    xmlHttp=GetXmlHttpObject();
    if (xmlHttp==null) {
        alert ("Your browser does not support AJAX!");
        return;
    }
    
    xmlHttp.onreadystatechange = function() {
        
        if(xmlHttp.readyState == 4) {
         
            elm.innerHTML = path + file + '.' + ext;
               
        }
        
    }
    
    if (go) {
        
        alert(folderpath);
        
            xmlHttp.open("POST","../ajax-files/rename_file.php?path=" + path + "&file=" + file + "&ext=" + ext + "folderpath=" + folderpath);
            xmlHttp.send(null); 
    
    }
    else {
    
        
        
        elm.innerHTML = "";
        elm.innerHTML = elm.innerHTML + '<form name="myForm">';
        elm.innerHTML = elm.innerHTML + '<input type="hidden" value="' + path + '" name="path">';
        elm.innerHTML = elm.innerHTML + '<input type="hidden" value="' + ext + '" name="ext">';
        elm.innerHTML = elm.innerHTML + '<input type="hidden" value="' + id + '" name="id">';
        elm.innerHTML = elm.innerHTML + path + '<input type="text" value="'  + file + '" name="textField">.' + ext;
        elm.innerHTML = elm.innerHTML + '<input type="button" value="Omdøb fil" onclick="rename_file(true, ' + id + ', \'' + path +'\', \'' + file + '\', \'' + ext + '\', \'' + document.getElementById("textField").value + '\')">';
        elm.innerHTML = elm.innerHTML + "</form>";
    
    }
}

function field_image (name) {
	
	xmlHttp=GetXmlHttpObject();
    if (xmlHttp==null) {
        alert ("Your browser does not support AJAX!");
        return;
    }
    
    xmlHttp.onreadystatechange = function() {
        
    	var elm = document.getElementById("contentlayerdiv");
    	
        if (xmlHttp.readyState < 4 && xmlHttp.readyState > 0) {
            elm.style.display = 'inline';
            elm.style.height = '400px';
            elm.style.width = '800px';
            //elm.innerHTML = "<div style=\"padding: 3px 7px 7px 7px;font-weight: bold;\"><img src=\"../gfx/loader.gif\" alt=\"\" /></div>";
        }
        
        if (xmlHttp.readyState == 4) {
            
           elm.innerHTML = xmlHttp.responseText;          
               
        }
        
    }
    
    xmlHttp.open("POST","../ajax-files/field_image.php");
    xmlHttp.send(null);
	
}

function close_window (elm) {
	document.getElementById(elm).style.display = 'none';
}