var gal_pics;
var gal_pic_id = 0;

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 MM_changeProp(objName,x,theProp,theValue) { //v6.0
  var obj = MM_findObj(objName);
  if (obj && (theProp.indexOf("style.")==-1 || obj.style)){
    if (theValue == true || theValue == false)
      eval("obj."+theProp+"="+theValue);
    else eval("obj."+theProp+"='"+theValue+"'");
  }
}
function showImage(pic_id)
{
	if(pic_id > (gal_pics.length-1))
	{
		document.getElementById('gal_foto').innerHTML = '<img src="'+gal_pics[0]+'" />';
		gal_pic_id = 0;
	}else if(pic_id < 0){
		document.getElementById('gal_foto').innerHTML = '<img src="'+gal_pics[gal_pics.length-1]+'" />';
		gal_pic_id= gal_pics.length-1;
	}else{
		document.getElementById('gal_foto').innerHTML = '<img src="'+gal_pics[pic_id]+'" />';
		gal_pic_id = pic_id;
	}
	
}
function showGal(gal_id)
{
	document.getElementById('overlay').style.visibility = "visible";
	
	if (document.getElementById) document.getElementById("gal").style.visibility = "visible";
	
	var req = null;
	gal_glob_id = gal_id;
  
  if(window.XMLHttpRequest)
  	req = new XMLHttpRequest(); 
  else if (window.ActiveXObject)
  	req  = new ActiveXObject('Microsoft.XMLHTTP');    
  
  	var url = '/get_referenzen.php?gal_id='+gal_id;
  	req.open('GET', url, false);
  	req.send(null);

	if(req.status == 200){
		var response_array=req.responseText.split("!!!<<<>>>!!!");
		//var codeToInsert1 = response_array[0];
		gal_pics = response_array[0].split("|");
		var codeToInsert2 = response_array[1];
		var codeToInsert3 = response_array[2];
		var codeToInsert4 = response_array[3];
		var codeToInsert5 = response_array[4];
		//document.getElementById('gal_foto').innerHTML = '<img src="'+codeToInsert1+'" />';
		document.getElementById('gal_baumassnahme').innerHTML = codeToInsert2;
		document.getElementById('gal_bautraeger').innerHTML = codeToInsert3;
		document.getElementById('gal_leistungszeitraum').innerHTML = codeToInsert4;
		document.getElementById('gal_leistungen').innerHTML = codeToInsert5;
		showImage(0);

	}else{
		alert('Error, cant get folder list.');
	}
}


function hideGal()
{
  if (document.getElementById) document.getElementById("gal").style.visibility = "hidden";
  document.getElementById('overlay').style.visibility = "hidden";
  document.getElementById("poi_content").innerHTML="";
}