$(document).ready(
    function(){
        $("#boka_cl").click(function () {
            $("#backmask").fadeToggle('slow');
            $("#contentwindow").fadeToggle('slow');
        });
    });

  $(document).ready(
    function(){
        $("#backmask").click(function () {
            $("#backmask").fadeToggle('slow');
            $("#contentwindow").fadeToggle('slow');
		 });
    }); 
		var width = 560;
		var height = 500;
  
	var trackURL2="https://www.boka-online.se/bokningssystem/?o=2";
	
	//document.write('<meta name="viewport" content="width=device-width, initial-scale=1.0">');
	
	document.write('<div id="boka_butt"><a id="boka_cl" href="javascript:void(0)">Boka</a></div>');
	document.write('<div id="boka_mob_butt"><a href="'+trackURL2+'" target="_blank">Boka Mobilversion</a></div>');
	document.write('<div id="backmask"><div id="close_boka" class="del_but">x</div></div>');
	document.write('<iframe id="contentwindow" style="border:0px #FFFFFF solid; overflow: visible;"  frameborder="no" border="0" src="'+trackURL2+'" width="'+width+'" height="'+height+'" align="center"  marginwidth="0" marginheight="0" scrolling="aouto" ></iframe>');