var empty = true;

function emptykw () {
	if (empty) {
		document.getElementById("keywords").value = "";
		empty = false;
	}
}

var visible = false;

function enableSearch () {
	if (visible) {
		document.getElementById("search").style.display = 'none';
		visible = false;
	} else {
		document.getElementById("search").style.display = 'block';
		visible = true;
	}
}

function changesectionind (id) {
	
	// Get image element
	image = document.getElementById('image');
	
	// Change image
	image.src = '/images/loading.jpg';
	
	// Preload image
	i = new Image();
	i.src = 'http://pictures.disvoir.net/tag/' + id;
	i.onLoad = changesectionimage(id);
	
	// Get infos element
	info = document.getElementById('galleryinfos');
	
	// Change infos
	info.innerHTML = infos[id];
	
}

function changesectionimage (id) {

	// Get image element
	image = document.getElementById('image');
	
	// Change image
	image.src = 'http://pictures.disvoir.net/tag/' + id;

}

function changesectionprevnext (delta) {
	
	// Count images
	count = images.length - 1;
	
	// Check index
	if (index + delta > count || index + delta < 0) {
		index = 0;
	} else {
		index = index + delta;
	}
	
	// Get iid
	iid = images[index];
	
	// Change image and legend
	changesectionind(iid);
	
}

function sectionpopshow (id) {
	document.getElementById("sectionpop").style.visibility = "visible"; 
	document.getElementById("sectionpopimg").src = 'http://pictures.disvoir.net/thumb/' + id;
}

function sectionpophide () {
	document.getElementById("sectionpopimg").src = '/images/loading_small.jpg';
	document.getElementById("sectionpop").style.visibility = "hidden";
}

function changesection () {
	var element = document.getElementById("section");
	var sel = element.options[element.selectedIndex].value;
	window.location = "/pics/" + sel;
}

function pagechange () {
	form = document.getElementById("page");
	form.submit();
}

function changeImage (image) {
	var img = document.getElementById("image");
	img.src = "http://pictures.disvoir.net/tag/" + image;
}



/////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
//  ALTTXT V1.2
//  BY: BRIAN GOSSELIN OF SCRIPTASYLUM.COM
//  ADDED FADING EFFECT FOR IE4+ AND NS6+ ONLY AND OPTIMIZED THE CODE A BIT.
//  SCRIPT FEATURED ON DYNAMIC DRIVE (http://www.dynamicdrive.com)
//  Modifed by DD for doctype bug on Nov 13th, 2003


var dofade=false;     // ENABLES FADE-IN EFFECT FOR IE4+ AND NS6 ONLY
var center=false;     // CENTERS THE BOX UNER THE MOUSE, OTHERWISE DISPLAYS BOX TO THE RIGHT OF THE MOUSE
var centertext=false; // CENTERS THE TEXT INSIDE THE BOX. YOU CAN'T SIMPLY DO THIS VIA STYLE BECAUSE OF NS4.
                     // OTHERWISE, TEXT IS LEFT-JUSTIFIED. 


////////////////////////////// NO NEED TO EDIT BEYOND THIS POINT //////////////////////////////////////

function ietruebody(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

var NS4 = (navigator.appName.indexOf("Netscape")>=0 && !document.getElementById)? true : false;
var IE4 = (document.all && !document.getElementById)? true : false;
var IE5 = (document.getElementById && document.all)? true : false;
var NS6 = (document.getElementById && navigator.appName.indexOf("Netscape")>=0 )? true: false;
var W3C = (document.getElementById)? true : false;

var w_y, w_x, navtxt, boxheight, boxwidth;
var ishover=false;
var isloaded=false;
var ieop=0;
var op_id=0;

function getwindowdims(){
w_y=(NS4||NS6||window.opera)? window.innerHeight : (IE5||IE4)? document.body.clientHeight : 0;
w_x=(NS4||NS6||window.opera)? window.innerWidth : (IE5||IE4)? document.body.clientWidth : 0;
}

function getboxwidth(){
if(NS4)boxwidth=(navtxt.document.width)? navtxt.document.width : navtxt.clip.width;
if(IE5||IE4)boxwidth=(navtxt.style.pixelWidth)? navtxt.style.pixelWidth : navtxt.offsetWidth;
if(NS6)boxwidth=(navtxt.style.width)? parseInt(navtxt.style.width) : parseInt(navtxt.offsetWidth);
}

function getboxheight(){
if(NS4)boxheight=(navtxt.document.height)? navtxt.document.height : navtxt.clip.height;
if(IE4||IE5)boxheight=(navtxt.style.pixelHeight)? navtxt.style.pixelHeight : navtxt.offsetHeight;
if(NS6)boxheight=parseInt(navtxt.offsetHeight);

}

function movenavtxt(x,y){
if(NS4)navtxt.moveTo(x,y);
if(W3C||IE4){
navtxt.style.left=x+'px';
navtxt.style.top=y+'px';
}}

function getpagescrolly(){
if(NS4||NS6)return window.pageYOffset;
if(IE5||IE4)return ietruebody().scrollTop;
}

function getpagescrollx(){
if(NS4||NS6)return window.pageXOffset;
if(IE5||IE4)return ietruebody().scrollLeft;
}

function writeindiv(text){
if(NS4){
navtxt.document.open();
navtxt.document.write(text);
navtxt.document.close();
}
if(W3C||IE4)navtxt.innerHTML=text;
}

//**** END UTILITY FUNCTIONS ****//

function showimage(text){
if(isloaded){
	if(text!=0){
		ishover=true;
		if(NS4)
			text='<div class="navtext">'+((centertext)?'<center>':'')+'<img width="300" height="300" src="http://pictures.disvoir.net/thumb/' + text + '" />'+((centertext)?'</center>':'')+'</div>';
		else
			text='<img width="300" height="300" src="http://pictures.disvoir.net/thumb/' + text + '" />';
		writeindiv(text);
		getboxheight();
		if((W3C || IE4) && dofade){
			ieop=0;
			incropacity();
		}
	}else{
		if(NS4)navtxt.visibility="hide";
		if(IE4||W3C){
			if(dofade)clearTimeout(op_id);
			navtxt.style.visibility="hidden";
		}
		writeindiv('');
		ishover=false;
	}
}
}

function showuploadimage(text){
if(isloaded){
	if(text!=0){
		ishover=true;
		if(NS4)
			text='<div class="navtext">'+((centertext)?'<center>':'')+'<img src="http://pictures.disvoir.net/upload/' + text + '">'+((centertext)?'</center>':'')+'</div>';
		else
			text='<img src="http://pictures.disvoir.net/upload/' + text + '">';
		writeindiv(text);
		getboxheight();
		if((W3C || IE4) && dofade){
			ieop=0;
			incropacity();
		}
	}else{
		if(NS4)navtxt.visibility="hide";
		if(IE4||W3C){
			if(dofade)clearTimeout(op_id);
			navtxt.style.visibility="hidden";
		}
		writeindiv('');
		ishover=false;
	}
}
}

function showlegend(text){
if(isloaded){
	if(text!=0){
		ishover=true;
		if(NS4)
			text='<div class="navtext">'+((centertext)?'<center>':'')+text+((centertext)?'</center>':'')+'</div>';
		else
			text = text;
		writeindiv(text);
		getboxheight();
		if((W3C || IE4) && dofade){
			ieop=0;
			incropacity();
		}
	}else{
		if(NS4)navtxt.visibility="hide";
		if(IE4||W3C){
			if(dofade)clearTimeout(op_id);
			navtxt.style.visibility="hidden";
		}
		writeindiv('');
		ishover=false;
	}
}
}

function incropacity(){
if(ieop<=100){
ieop+=7;
if(IE4 || IE5)navtxt.style.filter="alpha(opacity="+ieop+")";
if(NS6)navtxt.style.MozOpacity=ieop/100;
op_id=setTimeout('incropacity()', 50);
}}

function moveobj(evt){
    if(isloaded && ishover){
        margin=(IE4||IE5)? 1 : 23;
        if(NS6)
            if(document.height+27-window.innerHeight<0)
                margin=15;
        if(NS4)
            if(document.height-window.innerHeight<0)margin=10;
mx=(NS4||NS6)? evt.pageX : (IE5||IE4)? event.clientX : 0;
my=(NS4||NS6)? evt.pageY : (IE5||IE4)? event.clientY : 0;
if (NS4){
mx=evt.pageX
my=evt.pageY
}
else if (NS6){
mx=evt.clientX
my=evt.clientY
}
else if (IE5){
mx=event.clientX
my=event.clientY
}
else if (IE4){
mx=0
my=0
}

if(NS4){
mx-=getpagescrollx();
my-=getpagescrolly();
}
xoff=(center)? mx-boxwidth/2 : mx+5;
yoff=(my+boxheight+30-getpagescrolly()+margin>=w_y)? -15-boxheight: 30;
movenavtxt( Math.min(w_x-boxwidth-margin , Math.max(2,xoff))+getpagescrollx() , my+yoff+getpagescrolly());
if(NS4)navtxt.visibility="show";
if(W3C||IE4)navtxt.style.visibility="visible";
}}

if(NS4)document.captureEvents(Event.MOUSEMOVE);
document.onmousemove=moveobj;
window.onload=function(){
  navtxt=(NS4)? document.layers['navtxt'] : (IE4)? document.all['navtxt'] : (W3C)? document.getElementById('navtxt') : null;
  getboxwidth();
  getboxheight();
  getwindowdims();
  isloaded=true;
  if((W3C || IE4) && centertext)navtxt.style.textAlign="center";
  if(W3C)navtxt.style.padding='4px';
  if(IE4 || IE5 && dofade)navtxt.style.filter="alpha(opacity=0)";
  }
window.onresize=getwindowdims;