var offset=0;var childWidth=0;var childPadding=0;var childJump=0;var childShow=0;var nrChildren=0;var speedThumbs=0;var speedDetails=0;var itemHeight=0;var id=0;var index=0;var old_index=0;var old_id=0;var myInterval="";var max=0;var min=0;var w=0;var tmp=0;var w2=0;function start()
{offset=0;childWidth=102;childPadding=10;childJump=1;childShow=4;nrChildren=$('#scroll').children().children().size();speedThumbs=250;speedDetails=1000;itemHeight=450;id=0;index=0;old_index=1;old_id=1;myInterval="";max=nrChildren-childShow;min=0;w=(childWidth*childShow)+(childPadding*childShow-childPadding);tmp=$("#scroller_left").css("width");w2=w+tmp.replace("px","")*2;$("#scroller").css("width",w2+"px");$("#scroller_middle").css("width",w+"px");$("#scroll").find("a").mouseover(function(){$("#alt").text($(this).children().attr("alt"));});$("#scroll").find("a").mouseout(function(){$("#alt").text($("#scroll").find("li").eq(id-1).children().children().attr("alt"));});}
function scroll(dir,overrule)
{if(overrule!=undefined){offset=childJump*(Math.floor((overrule-1)/childJump));}else{offset=offset+(childJump*dir);}
if(offset>=max){offset=max;$("#next").addClass("next_disabled");}else{$("#next").removeClass("next_disabled");}
if(offset<=min){offset=min;$("#prev").addClass("prev_disabled");}else{$("#prev").removeClass("prev_disabled");}
$("#scroll").animate({marginLeft:(-((childWidth+childPadding)*offset)+"px")},speedThumbs);}
function show(thisId)
{if(thisId==id)
{return;}
id=thisId;if(id==nrChildren){$("#navigatie_right").find("a").hide();}else{$("#navigatie_right").find("a").show();}
if(id==1){$("#navigatie_left").find("a").hide();}else{$("#navigatie_left").find("a").show();}
$("#alt").text($("#scroll").find("li").eq(id-1).children().children().attr("alt"));$(".items").animate({marginTop:((-itemHeight*(id-1))+"px")},speedDetails);$("#scroll").find("li").eq(old_id-1).css("border","1px solid #a4a4a4");$("#scroll").find("li").eq(id-1).css("border","1px solid #bf1b3c");$("#navigatie_middle").text("("+id+" van "+nrChildren+")");clearTimeout(myInterval);$("#werkitem"+id).find("li").each(function(i){if(i>0)
{$(this).hide();}
else
{$(this).show();}});index=0;old_index=1;window.setTimeout('looper(\''+id+'\')',speedDetails);old_id=id;}
function nav(dir)
{if(id+dir>nrChildren){return;}
if(id+dir<1){return;}
id=id+dir;scroll(id,id);show(id);}
function looper(id)
{$("#werkitem"+id).find("li").eq(index).fadeIn(500);if(old_index!=-1){$("#werkitem"+id).find("li").eq(old_index).fadeOut(500);}
old_index=index;index++;if(index>=$("#werkitem"+id).find("li").size()){index=0;}
myInterval=window.setTimeout('looper(\''+id+'\')',2000);}
$(document).ready(function(){start();show(1);});