function isNumber(n) {
  return !isNaN(parseFloat(n)) && isFinite(n);
}

$(document).ready(function(){  
    if (typeof(photos) != "undefined") {
        var curphoto = 0;
        if (isNumber(photos[curphoto])) {
            $(".largephoto").html('<iframe src="http://player.vimeo.com/video/'+photos[curphoto]+'?title=0&amp;byline=0&amp;portrait=0&amp;autoplay=1" width="635" height="476" frameborder="0"></iframe>')
        }

	    $("#photos .photo").click(function(){
		    $("#photos .photo").removeClass("active")
		    $(this).addClass("active")
		    curphoto = $(this).attr("id") - 1	

            if (isNumber(photos[curphoto])) {
                $(".largephoto").html('<iframe src="http://player.vimeo.com/video/'+photos[curphoto]+'?title=0&amp;byline=0&amp;portrait=0&amp;autoplay=1" width="635" height="476" frameborder="0"></iframe>')
            } else {
		        $(".largephoto").html("<img id='largephoto' src='"+photos[curphoto]+"' />")
                $("<img />").attr({            
                    width: 633, height: 100,
                    src: "http://media.kokon.nl/img/blank.gif"
                }).css({
                    zIndex: 100,
                    border: 0,
                    position: "absolute"
                }).prependTo(".largephoto").addClass("blank");
                
                $(".photo").click(function(){ 
                    curphoto = $(this).attr("id") - 1 
                    var img = new Image();
                    img.src = photos[curphoto];
                    $(img).load(function(){ 
                        $(".blank").height($(".largephoto").height())
                    })           
                })
            }
	    })
    }
})