$('#m1').click(function(){
	 	            $("#mymodel").css("opacity","0");
	 	            $("#m1").css("border","2px solid #ac2b2b");
	 	            $("#m2").css("border","none");
	 	            $("#m3").css("border","none");
	 	            $("#return-btn").css("border","none");
		            $("#mymodel").animate({opacity:'1'},5000)
			        $('.title-txt').addClass('undisplay');
			        $('.model2_txt').addClass('undisplay');
					$('.model3_txt').addClass('undisplay');
					$('.model1_txt').removeClass('undisplay');
					 var MV=document.getElementById("mymodel");
                     MV.src='http://localhost:8080/KOUXIAN/4dwebBanner/webplayer_11.html?load=source/M01.json';
                    
		  });
		   $('#m2').click(function(){
		   	        $("#mymodel").css("opacity","0");
		   	        $("#m2").css("border","2px solid #ac2b2b");
		   	        $("#m1").css("border","none");
	 	            $("#m3").css("border","none");
	 	            $("#return-btn").css("border","none");
		            $("#mymodel").animate({opacity:'1'},5000)
			        $('.title-txt').addClass('undisplay');
					$('.model1_txt').addClass('undisplay');
					$('.model3_txt').addClass('undisplay');
					$('.model2_txt').removeClass('undisplay');
					 var MV=document.getElementById("mymodel");
                  MV.src='http://localhost:8080/KOUXIAN/4dwebBanner/webplayer_12.html?load=source/M002.json';

		  });
		  $('#m3').click(function(){
                    $("#mymodel").css("opacity","0");
                    $("#m3").css("border","2px solid #ac2b2b");
                    $("#m1").css("border","none");
	 	            $("#m2").css("border","none");
	 	            $("#return-btn").css("border","none");
		            $("#mymodel").animate({opacity:'1'},5000)
			        $('.title-txt').addClass('undisplay');
					$('.model1_txt').addClass('undisplay');
					$('.model2_txt').addClass('undisplay');
					$('.model3_txt').removeClass('undisplay');
					var MV=document.getElementById("mymodel");
                    MV.src='http://localhost:8080/KOUXIAN/4dwebBanner/webplayer_13.html?load=source/M3.json';
		  });
		  $('#return-btn').click(function(){
			        $('.title-txt').removeClass('undisplay');
					$('.model1_txt').addClass('undisplay');
					$('.model2_txt').addClass('undisplay');
					$('.model3_txt').addClass('undisplay');
					$("#return-btn").css("border","2px solid #ac2b2b");
					$("#m1").css("border","none");
		   	        $("#m2").css("border","none");
	 	            $("#m3").css("border","none");
					var MV=document.getElementById("mymodel");
                    MV.src='';
		  });