function submitReturn(){
     var form=document.forms[0] ;
	 form.method.value='list';
	 form.pageNumber.value="1";
     form.submit();
  }

  

  function submitMethod(method){
     var form=document.forms[0] ;
     if(method!=''){
    	 form.method.value=method;
     }	 
     form.submit();
  }
  function submitAdd(method,field){
     var fe=document.all.item(field);
     fe.value="";
     submitMethod(method);
  }
  
  function submitUpdate(method){
     submitMethod(method);
  }
  function submitDelete(method){
    if(confirm('do you delete infomation?'))
      submitMethod(method);
  }  
  
  function submitField(method,field,value){
     var form=document.forms[0] ;
     var fe=document.getElementsByName(field)[0];
//     var fe=document.all.item(field);
	 form.method.value=method;
	 fe.value=value;
     form.submit();
  }