function  checkUserSelect() {
   var check_nums = document.dep.elements.length;
   for(var i = 0; i < check_nums; i++) {
      var checkbox_obj = eval("document.dep.elements[" + i + "]");
      if(checkbox_obj.checked == true) {
         break;
      }
   }
   if(i == check_nums) {
      alert("°Ô½Ã¹°À» üũÇØ ÁֽʽÿÀ");
      return;
   } else {
	   if(confirm('È®ÀÎÀ» ´©¸£½Ã¸é üũµÈ Ç׸ñÀº ¸ðµÎ »èÁ¦µË´Ï´Ù.')){
		   document.dep.submit();
		}
      
   }
}