//0 = zimmer
//1 = foyer

/* global variable */




function setCat(catId){
	
	var catPicsHtml = '';
	var catNamesHtml = '';
	
	if(imgArray[catId]!=undefined){
		actCat = catId;
		setImage(1);
		$('ftCatTitle').innerHTML = catNameArray[lang][catId];	
		
		for ( var i in imgArray[catId] ){
			if(imgArray[catId][i]['img'] != null){
				catPicsHtml += '<a href="javascript:setImage(' +i+ ')"><img src="fileadmin/userfiles/fototour/' + catId +'/small/'+ imgArray[catId][i]['img']+ '" /></a>';	
			}
		}
		$('ftCatPics').innerHTML = catPicsHtml;

		for ( var j in imgArray){
			if(imgArray[j][1] != undefined && imgArray[j][1]['img'] != null){
				if(j == actCat){
					catNamesHtml += ' <span style="white-space:nowrap;" href="javascript:setCat(' +j+ ')">'+ catNameArray[lang][j] +'</span>';
				}
				else{
					catNamesHtml += ' <a style="white-space:nowrap;" href="javascript:setCat(' +j+ ')">'+ catNameArray[lang][j] +'</a>';	
				}
				
				
					
			}
		}
		$('ftCatNames').innerHTML = catNamesHtml;
		
	}

}

function setIframeCat(catId){
	if(imgArray[catId]!=undefined){
		var catPicsHtml = '';
		var catNamesHtml = '';
		$('ftIframeTitle').innerHTML = catNameArray[lang][catId];		
		//$('ftIframeClose').innerHTML = closeNameArray[lang];
		actCat = catId;
		setIframeImage(1);
	}
}

function nextCat(){
	setCat(actCat+1);
}

function prewCat(){
	setCat(actCat-1);
}


function setImage(imageNr){
	
	var catLenght;
	
	if (imgArray[actCat][imageNr]!=undefined){
		actImage = imageNr;
		$('ftPicMiddle').src = 'fileadmin/userfiles/fototour/' + actCat +'/middle/'+ imgArray[actCat][imageNr]['img'];
		$('ftBigPicLink').href = 'index.php?id=86&catId=' +actCat+ '&picId='+ imageNr;
		
		if(imageNr<10){
			imageNr = '0'+imageNr;
		}
		
		if((imgArray[actCat].length-1)<10){
			catLength = '0'+(imgArray[actCat].length-1);
		}
		else{
			catLength = imgArray[actCat].length-1;
		}
		
		$('ftPicNr').innerHTML = imageNr+' / '+catLength;
	}
	
}

function setIframeImage(imageNr){
	
	var catLenght;
	
	if (imgArray[actCat][imageNr]!=undefined){
		actImage = imageNr;
		$('ftIframePic').src = 'fileadmin/userfiles/fototour/' + actCat +'/big/'+ imgArray[actCat][imageNr]['img'];
		
		if(imageNr<10){
			imageNr = '0'+imageNr;
		}
		if((imgArray[actCat].length-1)<10){
			catLength = '0'+(imgArray[actCat].length-1);
		}
		else{
			catLength = imgArray[actCat].length-1;
		}
		
		$('ftIframeTitle').innerHTML = catNameArray[lang][actCat] +' '+ imgArray[actCat][actImage][lang];	
		$('ftIframeNr').innerHTML = imageNr+' / '+catLength;
	
		if (imgArray[actCat].length-1 == actImage){
			$('ftIframeRight').style.display = 'none';
		}
		else{
			$('ftIframeRight').style.display = 'block';
		}
		
		if (actImage == 1){
			$('ftIframeLeft').style.display = 'none';
		}
		else{
			$('ftIframeLeft').style.display = 'block';
		}
	
	
	}
	
}

function nextImage(){
	if (imgArray[actCat].length-1 == actImage){
		setImage(1);
	}
	else{
		setImage(actImage+1);	
	}
}

function prewImage(){
	setImage(actImage-1);
}

function nextIframeImage(){
		setIframeImage(actImage+1);	

}

function prewIframeImage(){
		setIframeImage(actImage-1);	
}