$(document).ready(function()
{
  $('a[rel="extern"]').attr('target','extern');

  $('a[href="#quiz"]').attr('href','javascript://').click(function(){
	show_quiz();
  });

  patchMainNav();

});

function patchMainNav()
{
  //patch navigatie om verschuiving bij :hover en .active te voorkomen
  var curElPos=0;
  $('#mainnav li').each(function(i){
    var curW=$(this).outerWidth();
    $(this).css({'width':curW+'px',right:curElPos+'px'});
    curElPos+=curW;
  });
  $('#mainnav li').css('position','absolute');

}


function CheckZoekInvoer(Vorm,defvalue)
{
  var curInp=Vorm.searchstring.value;
  if(curInp!=defvalue && curInp!='')
    return true;
  else
    return false;
}


function showDaycountdown(y,m,d)
{

  var EndDatemsec=new Date(y,(m-1),d).getTime();
  var TodayDatemsec=new Date().getTime();//Today

  var daymsec=1000*60*60*24;

  var nrDays=Math.floor((EndDatemsec-TodayDatemsec)/daymsec);
  if(nrDays<0) nrDays=0;
  var counterImgPath=webroot+'graphics/counter/';

  var counterRc=0.29;//Richtingscoefficient
  var counterImgWidthLUT=[15,13,16,17,16,17,16,19,15,15];

  var dayCountStr=nrDays+'';
  var counterWidth=0;
  var topPos=0;
  for(var c=0;c<dayCountStr.length;c++)
  {
    var curNr=parseInt(dayCountStr.substr(c,1));
    var curImgWidth=counterImgWidthLUT[curNr];

    topPos=counterWidth*counterRc;

    $(document.createElement('img')).attr('src',counterImgPath+curNr+'.png').css({'top':topPos+'px','left':counterWidth+'px','width':curImgWidth+'px'}).appendTo('#daycount > div');
    counterWidth+=curImgWidth;
  }

  //centreren
  centerOffsetY=-1*Math.floor(topPos/2);
  var centerOffsetX=Math.floor(($('#daycount').innerWidth() - counterWidth) / 2);
  $('#daycount > div').css({'left':centerOffsetX+'px',marginTop:centerOffsetY+'px'});

  $('#daycount').show();

}