Urgent help: How to realize adaptive resolution of background images and adjustment of IE window_html/css_WEB-ITnose

Dear experts, please give me some advice. I have a jsp login page here. In addition to the input boxes and buttons on the page, there is a background image. The positions of the input boxes are all relative positions. However, after IE or resolution adjustment, the input box and background image will still be misaligned. I would like to ask everyone, how can I make the background image change with the changes of IE and resolution? ?
Please give me some advice from all the experts! ! ! ! The page code is as follows:
login.jsp:



if(request.getSession (true).getAttribute(UserSessionInfo.USER_SESSION)!=null){
response.sendRedirect("examination/index");
}
response.setHeader("Pragma", "No-cache") ;
response.setHeader("Cache-Control", "no-cache");
response.setDateHeader("Expires", 0);
String path = request.getContextPath();
String basePath = request.getScheme() "://" request.getServerName() ":" request.getServerPort() path "/";
%>

< ;body class="loginBgGround">

width="100%" height="100%">


                                                                                         td colspan="4" width="65.1%" >
                                               ;/td>
                                                               d colspan="2" width="27%">
                                                                   
                
            
                
                                    
                                               
            
                
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                 
                
                
                    
                    
                    
                    
                    
                    
                    
                 
            
                 
                    
                    
                    
                    
                    
                    
                    
                    
                                 
                
                
                    
                    
                    
                    
                    
                    
                    
                   
                
                
                    
                           
            

<script> <br /> function processKey(event){ <br /> if(event.keyCode==13){ <br /> login(); <br /> } <br /> } <br /> <br /> function login(){ <br />     var saveFlag = true; <br /> <br />     var regArray = new Array(); <br /> var errorMsgArray = new Array(); <br /> regArray.push(emptyReg);//empty <br /> errorMsgArray.push("用户名不能为空 "); <br /> regArray.push(/^[\w*\W*]{1,16}$/);//length <br /> errorMsgArray.push("最大长度为16"); <br /> regArray.push(/^\w{1,16}$/);//character <br /> errorMsgArray.push("只能输入字符 0-9 a-z A-Z _"); <br /> var temp = checkText("userName",regArray,errorMsgArray); <br /> if(saveFlag==true) saveFlag = temp; <br /> <br /> <br /> regArray = new Array(); <br /> errorMsgArray = new Array(); <br /> regArray.push(emptyReg);//empty <br /> errorMsgArray.push("密码不能为空"); <br /> regArray.push(/^[\w*\W*]{1,16}$/);//length <br /> errorMsgArray.push("最大长度为16"); <br /> regArray.push(/^\w{1,16}$/);//character <br /> errorMsgArray.push("只能输入字符 0-9 a-z A-Z _"); <br /> temp = checkText("password",regArray,errorMsgArray); <br /> if(saveFlag==true) saveFlag = temp; <br /> <br /> if(saveFlag){ <br /> document.forms[0].submit(); <br /> } <br /> } <br /> </script>