function createModal(state){
                var container = document.getElementById('ff-store-container'); 
                var cHeight = container.offsetHeight;
                var cWidth = "100%";
                var modal = document.getElementById('mssModal'); 
                var selects = document.getElementsByTagName('select');
                
                if (state=="on"){
                                modal.style.height=cHeight+"px";
                                modal.style.width=cWidth;
                                modal.style.display='block';
                                
								for (i=0;i<selects.length;i++){
                                                selects[i].style.visibility='hidden';
                                }                             							
                }                              
                if (state=="off"){
                                modal.style.display='none';
                                for (i=0;i<selects.length;i++){
                                                selects[i].style.visibility='visible';
                                }
																
                }
}