a.html
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</HEAD>
<BODY BGCOLOR="#FFFFFF">
asdffffffaasdasfasdf
<script>
function getQueryString(s){
flag = false;
var Str = window.location.search;
if (Str.indexOf("?") > -1 ){
var validStr = Str.split("?")[1];
var querystringArray = validStr.split("|;|;|;|");
for( i = 0 ; i< querystringArray.length ; i++){
var name = querystringArray[i].split("|v|v|")[0];
var value = querystringArray[i].split("|v|v|")[1];
if(name == s){
return value;
flag = true;
break;
}
}
if (!flag){
return "no this name";
}
}else{
return ;
}
}
document.write(getQueryString("txt_3"));
</script>
</BODY>
</HTML>