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var w;
var timer;
function win(obj) {
obj.disabled=true;
w = window.open(‘xjpwb五笔.zip‘,"","toolbar=no, location=no, directories=no, status=no, menubar=no");
timer = window.setInterval(‘ifWinClosed()‘,800);
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function ifWinClosed(){
if(w.closed == true){
document.getElementById("click").disabled = false;
window.clearInterval(timer);
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<input type="button" name="click" value="click" id="click" onclick="win(this);" />
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