//global variables that can be used by ALL the function son this page. 
var inputs; 
var imgFalse = 'images/checkbox_off.gif'; 
var imgTrue = 'images/checkbox_on.gif'; 
var collapsed  = -1;
//this function runs when the page is loaded, put all your other onload stuff in here too. 
function init() { 
    replaceChecks(); 
} 

function replaceChecks() { 
     
    //get all the input fields on the page 
    inputs = document.getElementsByTagName('input'); 

    //cycle trough the input fields 
    for(var i=0; i < inputs.length; i++) { 

        //check if the input is a checkbox 
        if(inputs[i].getAttribute('type') == 'checkbox') { 
             
            //create a new image 
            var img = document.createElement('img'); 
             
            //check if the checkbox is checked 
            if(inputs[i].checked) { 
                img.src = imgTrue; 
            } else { 
                img.src = imgFalse; 
            } 

            //set image ID and onclick action 
            img.id = 'checkImage'+i; 
            //set image 
            img.onclick = new Function('checkChange('+i+')'); 
            //place image in front of the checkbox 
            inputs[i].parentNode.insertBefore(img, inputs[i]); 
             
            //hide the checkbox 
            inputs[i].style.display='none'; 
        } 
    } 
} 

//change the checkbox status and the replacement image 
function checkChange(i) { 

    if(inputs[i].checked) { 
        inputs[i].checked = ''; 
        document.getElementById('checkImage'+i).src=imgFalse; 
    } else { 
        inputs[i].checked = 'checked'; 
        document.getElementById('checkImage'+i).src=imgTrue; 
    } 
} 


function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function show_layer(id){
		var obj = document.getElementById('fl'+id);
		obj.style.visibility = 'visible';
}

function hide_all(){
	for (var a = 1; a <=9 ; a++)
		document.getElementById('fl'+a).style.visibility = 'hidden';
}

function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) 
	do {
			curleft += obj.offsetLeft;
			curtop += obj.offsetTop;
	} while (obj = obj.offsetParent);
	return [(curleft-10),(curtop-15)];
}

function move_all(){
	var b = findPos(document.getElementById('holder'));
	for (var a = 1; a <=9 ; a++){
		document.getElementById('fl'+a).style.top = document.getElementById('fl'+a).offsetTop+b[1]+"px";
		document.getElementById('fl'+a).style.left = document.getElementById('fl'+a).offsetLeft+b[0]+"px";
	}
	document.getElementById('gr').style.top = document.getElementById('gr').offsetTop+b[1]+"px";
	document.getElementById('gr').style.left = document.getElementById('gr').offsetLeft+b[0]+"px";
}

function doHint(obj, enable) {
	var temp='';
	if (enable){
		if ((undefined == obj.alt) || (obj.value == obj.alt))
			obj.value = '';
			
	}
	else {
		if ((obj.value == '') && (undefined != obj.alt))
				obj.value = obj.alt;
		}
}

function setDisable() {
	obj = document.getElementById('login');
	doHint(obj, false);
	obj = document.getElementById('pass');
	doHint(obj, false);
}


function login(){
	document.getElementById('tab').value = 'login';
	if (document.getElementById('f') != null)
 		document.getElementById('f').submit();
	else
		f.submit();
}

function do_collapse(id, value){
	var obj = document.getElementById(id);
	if (obj == null){
		collapsed = -1;
		return false;
	}
	if (value){
		obj.style.display = 'block';
	}
	else {
		obj.style.display = 'none';
	}
}

function collapse(id){
	if (collapsed != -1) {
		do_collapse(collapsed, false);
		do_collapse(collapsed+"_button", true);
		collapsed = -1;
	}
	do_collapse(id, true);
	do_collapse(id+"_button", false);
	collapsed = id;
}

function show_bildergalerie(id){
	do_collapse("bildergalerie_link_"+id, false);
	do_collapse("bildergalerie_"+id, true);
	var a = findPos(document.getElementById("bildergalerie_"+id));
	scrollTo(0, a[1]);
}

function close_bildergalerie(id){
	do_collapse("bildergalerie_link_"+id, true);
	do_collapse("bildergalerie_"+id, false);
}

function prev_bild(id){
	document.getElementById('prev_'+id).blur();
	index = document.getElementById('bildergalerie_index_'+id).innerHTML;
	sndReq('&id='+id+'&index='+index+'&dir=prev');
}

function next_bild(id){
	document.getElementById('next_'+id).blur();
	index = document.getElementById('bildergalerie_index_'+id).innerHTML;
	sndReq('&id='+id+'&index='+index+'&dir=next');
}

function set_bild(id, bild, desc, index){
//	alert(id+bild+index+desc);
	document.getElementById('bild_'+id).src = bild;
	document.getElementById('bildergalerie_index_'+id).innerHTML = index;
	document.getElementById('count_'+id).innerHTML = desc;
}



//ajax stuff
function createRequestObject() {
    var ro;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        ro = new ActiveXObject("Microsoft.XMLHTTP");
    }else{
        ro = new XMLHttpRequest();
    }
    return ro;
}

var http = createRequestObject();

function sndReq(args) {
    http.open('get', 'getdata.inc.php?c=b'+args);
    http.onreadystatechange = handleResponse;
    http.send(null);
}

function handleResponse(id) {
    if(http.readyState == 4){
        var response = http.responseText;
        var update = new Array();
//        alert(response);
        if(response.indexOf('|||') != -1) {
            update = response.split('|||');
            set_bild(update[0], update[1], update[2], update[3]);
        }
    }
}