<input id="date" type="text" name="dat1" class="date" maxlength=50 size=25%  oninput ="getElementById('newFormAdv').submit()"/>

<script type="text/javascript" src="jquery-1.11.0.js"></script>		
			<script type="text/javascript" src="lib/bootstrap-datepicker.js"></script>

           <script>
                $(function() {
	
                    $('#date').datepicker({					
					 'format': 'dd.mm.yyyy',					
                    'autoclose': true });  
					
					
					
					var queryDate = "<? echo "$mn$G" ?>";							
                    $('#date').datepicker('setDate', queryDate);   

					$('#date').datepicker()
					.on('changeDate', function(ev){
					if (ev.date.valueOf() < startDate.valueOf()){
					alert("sdfd");				
					}
					});
               });
		
	 
            </script>