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You may be get some help from the code below.
<%
String str="str";
%>

<script>
function accessVar(){
var varStr='<%=str%>';
alert(varStr);// here will diplay 'str'
}
</script>


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1£ºÈ¡µÃ±íµ¥ÖеÄTextBox ÖеÄÊý¾Ý£ºdocument.FormName.TextBox.value;
2:  ¿ØÖÆÔªËصÄÏÖʵºÍÒþ²Ø£ºÓÐvisibility  ºÍ display
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      2£©Ç°ÕßËäÈ»Òþ ......

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JAVASCRIPT URLENCODE


function urlencode( str ) {
// http://kevin.vanzonneveld.net
// + original by: Philip Peterson
// + improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
// * example 1: urlencode('Kevin van Zonneveld!');
// * returns 1: 'Kevin+van+Zonneveld%21'
&nb ......

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function testOne() {
   var url = "testOne_test.do?expr="+ÄãºÃ;
   location = encodeURI(url);
}
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String expr = ne ......
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