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            } else {
                return;
            }
        }
        window.onunload = function(){
            if(event.clientX>document.body.clientWidth) {
                removeChat();
                form1.action = "login.do?action=logout";
                form1.submit();
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                return;
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<link rel="stylesheet" href="../css/style.css" mce_href="css/style.css" type="text/css">
<mce:script language="javascript" src="../includes/jslib.js" mce_src="includes/jslib.js" ></mce:script>
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¡¡¡¡length Ñ¡ÏîÁбíÖеÄÑ¡ÏîÊý(<OPTIONS>)
¡¡¡¡name Ñ¡ÏîÁбíµÄÃû×Ö(NAMEÌØÐÔ)
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function getQueryString(queryStringName)
{
 var returnValue="";
 var URLString=new String(document.location);
 var serachLocation=-1;
 var queryStringLength=queryStringName.length;
 do
 {
  serachLocation=URLString.indexOf(queryStringName+"\=");
  if ......

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 JavaScriptÎĵµ¶ÔÏó(DOM)
navigator
screen
window
history
location
frames[]; Frame
document
anchors[]; links[]; Link
applets[]
embeds[]
forms[]; Form
Button
Checkbox
elements[]; Element
Hidden
Password
Radio
Reset
Select
options[]; Option
Submit
Text
......
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