var movePicGal=false;
 var picGalStep=5;
 var picGalWidth=-1;
 var picgalObjects=Array();
 var picgalObjectCnt=0;
function picgalImage(img){
	this.img=new Image();
	this.img.src=img;
	debug('Image ' + img + ' wird an array gefuegt',true);
}
function picgalPreviewBoxMove(picgalId,direction){
	if(movePicGal==true){
		if(document.getElementById('picgalPreviewBoxContent'+picgalId)){
			var obj=document.getElementById('picgalPreviewBoxContent'+picgalId);
			if(picGalWidth==-1){
				getPicGalWidth(obj);
			}
			debug('vorher ' + obj.style.left,false);
			var objLeft=0;
			if(!isNaN(parseInt(obj.style.left))){
				objLeft=parseInt(obj.style.left);
			}
			if(direction=='left'){
				debug('nachher ' + (objLeft-picGalStep) + 'px',true);
				debug('objLeft ' + objLeft + ', picGalWidth: ' + picGalWidth + 'obj.offsetWidth: ' + obj.offsetWidth,true);
				if(objLeft>(0-picGalWidth)){
					objLeft-=picGalStep;
				}else{
					movePicGal=false;
				}
					
			}else{
				if(objLeft<=(picGalStep*-1)){
					objLeft+=picGalStep;			
					debug('nachher ' + (objLeft+picGalStep) + 'px',true);	
				}else{
					objLeft=0;
					movePicGal=false;
				}							
			}
			obj.style.left=objLeft + 'px';
		}else{
			alert('nicht gefunden: '+picgalId);
		}
		window.setTimeout('picgalPreviewBoxMove(' + picgalId + ',\'' + direction + '\')',20);
	}
}

function getPicGalWidth(obj){
	for(var i=0;i<obj.childNodes.length;i++){
		if(obj.childNodes[i].offsetWidth>0){
			picGalWidth+=obj.childNodes[i].offsetWidth;
		}
	}
}
function showPicgal(picgalId,pic,pictitel){
	if(document.getElementById('picgalBigPic'+picgalId)){
		if(pic==false){ //Schlieszen
			document.getElementById('picgalBigPic'+picgalId).style.display='none';
		}else{
			document.getElementById('picgalBigPic'+picgalId).style.display='inline';
			document.getElementById('picgalBigPic_content'+picgalId).innerHTML=loadPicgalPic(pic,pictitel);
		}
	}
	return false;
}		
function loadPicgalPic(pic,pictitel){
	var picgalImageIndex=-1;
	for(var i=0;i < picgalObjects.length;i++){
		if(picgalObjects[i].img.src==pic){
			picgalImageIndex=i;
		}
	}
	if(picgalImageIndex==-1){
		picgalImageIndex=picgalObjects.length;
		picgalObjects[picgalImageIndex]=new picgalImage(pic);
	}
	return '<img src="' + picgalObjects[picgalImageIndex].img.src + '" alt="" /><br/>'+pictitel;
}
function debug(txt,append){
	if(append==undefined){ append=false; }
	if(document.getElementById('debugDiv')){
		if(append==true){
			document.getElementById('debugDiv').innerHTML+='<br/>';
		}else{
			document.getElementById('debugDiv').innerHTML='';
		}
		document.getElementById('debugDiv').innerHTML+=txt;
	}
}