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function runEx(cod1) {
cod=document.all(cod1)
var code=cod.value;
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newwin.opener = null // ·ÀÖ¹´úÂë¶ÔÂÛÌ¸Ò³ÃæÐÞ¸Ä
newwin.document.write(code); //ÏòÕâ¸ö´ò¿ªµÄ´°¿ÚÖÐдÈë´úÂëcode£¬ÕâÑù¾ÍʵÏÖÁËÔËÐдúÂ빦ÄÜ¡£
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</script>
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