<script type="text/javascript">
         <!--获取先前设置好的兴趣爱好值，并添加到修改页面 -->
           var arr = document.getElementsByName("hobby");
           <%String[] hobbys = stu.getHobby();
                if(hobbys!=null){
                	 for(String s:hobbys){%>
                     	 for(var i=0;i<arr.length;i++){
                	      		if('<%=s%>'==arr[i].value){      		
  		        	         	    arr[i].checked = 'checked';
  		        				}
                         }  											                	  
                  <%
                    }
                 }
             
             %>
             
            var sexs = document.getElementsByName("sex"); 
            <%	String sex = stu.getSex();%> 
            for(var i=0;i<sexs.length;i++){
                	      	if('<%=sex%>'==sexs[i].value){      		
  		        	             sexs[i].checked = 'checked';
  		        		  }
                     } 
                     
            var politics = document.getElementsByTagName("option");         
            <%String pt=stu.getPolitics();%>
             for(var i=0;i<politics.length;i++){
                	      	if('<%=pt%>'==politics[i].value){      		
  		        	             politics[i].selected = 'selected';
  		        		  }
                     }          
             
    </script>