function class_strassen_controller(){

    this.check=function(){
        if(document.getElementById('checkbox_strassen')){
            if(document.getElementById('checkbox_strassen').checked){
                create_street_on_layer();
            }
            else{
                if(window.map_street){
                    window.map_street.innerHTML="";
                }
            }
        }

    }
    
    function create_street_on_layer(my_value){
        var my_request=new class_http_request();
        my_request.set_query('?mode=street&zoom='+window.zoomstufe);
        my_request.start_request(window.my_street_controller);
    }

    this.calling=function(my_value){
        var obj = eval("(" + my_value + ")");
        if(obj.PFAD){
            var my_div=document.createElement('div');
            my_div.style.backgroundImage="url("+obj.PFAD+")";
            my_div.style.width=obj.WIDTH+'px';
            my_div.style.height=obj.HEIGHT+'px';
            my_div.style.display='block';
            my_div.style.position='absolute';
            my_div.style.top='0px';
            my_div.style.left='0px';
            window.map_street.appendChild(my_div);
        }
        else{
            document.getElementById('checkbox_strassen').checked=false;
            document.getElementById('checkbox_strassen').readonly='readonly';
        }
        


    }

}