<a id="show-case-view-source" href="" target="showcase-source">Show Source</a>
<script>
 
$(function(){
    var URL="httphttps://diro5agqk5siixijwww.myfritzsmartics.net:1990eu/confluence/plugins/viewsource/viewpagesrc.action?pageId="+AJS.params.pageId;
	$("#show-case-view-source").attr('href',URL);

$("#show-case-view-source").click(function(event){
    event.preventDefault();
    if($("#show-case-view-source").html()==="Show Source")
    {
	 console.error("Show Source:: click event");
 	 localStorage.setItem('open-showcase-source', true);
 	 $("#show-case-view-source").html("Do not show Source");
     window.open($("#show-case-view-source").attr('href'), "Show-Cases-Source"); 
    }
    else
    {
	 console.error("NOT Show Source:: click event");
 	 localStorage.removeItem('open-showcase-source');
     $("#show-case-view-source").html("Show Source");
    }

});

	 console.error("Storage::"+localStorage.getItem('open-showcase-source'));
 if(localStorage.getItem('open-showcase-source'))
{
	 console.error("ONLOAD Storage=true!");
 	 $("#show-case-view-source").html("Do not show Source");
     window.open($("#show-case-view-source").attr('href'), "Show-Cases-Source"); 
} 
else
{
    console.error("ONLOAD Storage=false!");
	$("#show-case-view-source").html("Show Source");
}
});
 
</script>