var lb=new edWidget();

function edWidget(){ // edWidget class
    
        
    edWidget.prototype.filteron=function(){
        //code to turn on the filter layer
    }
    
    edWidget.prototype.filteroff=function(){
        //code to turn off the filter layer
        var filter=document.getElementById('filter');
        filter.style.display='none';
    }
    
    edWidget.prototype.displaybox=function(){
        //code to dispaly the lightbox
        var b=document.getElementById('box');
        var lightbox='<div id="lb_wrapper">';
            lightbox+='<div id="iframe_holder">';
            lightbox+='<iframe id="ed_iframe" name="ed_iframe" src="http://ictthatworks.net/ED/index.html"></iframe></div>';
            lightbox+='<div id="close"><span id="ed_closeBox">Close<input type="image" src="http://ictthatworks.net/ED/client/closeImg.jpg" value="close" name="close_btn" id="closeBtn" onclick="closeLightbox()" width="10px" height="10px"/></span><div>';
            lightbox+='</div>';
            b.innerHTML=lightbox;
              

    }
    
    edWidget.prototype.hidebox=function(){
     //code to hide the lightbox
     var lbox=document.getElementById('box');
     lbox.style.display='none';
    }


}
function init(){
    
lb.displaybox();
updateurl();
    
}
function closeLightbox(){
    lb.hidebox();
    lb.filteroff();
}