function fit_to_screen(){
	
	var user = new Array();
	
	user['width'] = $(window).width();
	user['height'] = $(window).height();
	
	// De breedte van de pagina elementen bepalen
	var width = 800;
	var margin = (user['width'] - width) / 2;
	if(margin < 0){
		margin = 7;
	}
	$("div#wrapper").css("margin-left", margin+"px");

}

function position(obj, xtra){
	var pageScrl = $(document).scrollTop();
	var user = new Array();
	user['width'] = $(window).width();
	user['height'] = $(window).height();
	
	var obj_height = $(obj).height();
	var obj_width = $(obj).width();
	
	var obj_top = pageScrl + 10;
	var obj_left = ($("div.doorkijkswagt").width() + Math.round(parseFloat($("div.doorkijkswagt").css("margin-left")))) - obj_width;
	$(obj).animate({top: obj_top, left: obj_left},100, 'linear', function(){});
}