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<head>
<title>¸ù¾ÝÓÊÕþ±àÂë»ñȡʡÊÐÐÅÏ¢</title>
<meta http-equiv="Content-type" content="text/html; charset=utf-8">
 
<script type="text/javascript">
var xmlHttp;       //ÓÃÓÚ±£´æXMLHttpRequest¶ÔÏóµÄÈ«¾Ö±äÁ¿
 
//ÓÃÓÚ´´½¨XMLHttpRequest¶ÔÏó
function createXmlHttp() {
    //¸ù¾Ýwindow.XMLHttpRequest¶ÔÏóÊÇ·ñ´æÔÚʹÓò»Í¬µÄ´´½¨·½Ê½
    if (window.XMLHttpRequest) {
       xmlHttp = new XMLHttpRequest();                                     //FireFox¡¢OperaµÈä¯ÀÀÆ÷Ö§³ÖµÄ´´½¨·½Ê½
    } else {
       xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");     //IEä¯ÀÀÆ÷Ö§³ÖµÄ´´½¨·½Ê½
    }
}
 
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function checkNumber() {
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    if ((event.keyCode >= 48) && (event.keyCode <= 57)) {
        event.returnValue = true;
    } else {
        event.returnValue = false;
    }
}
 
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function getPostalCode() {
    var pCodeValue = document.getElementById("postalCode").value;   //»ñÈ¡ÊäÈëµÄÓÊÕþ±àÂë
 
    //µ±ÊäÈëµÄÓʱ೤¶È¸ÕºÃµÈÓÚ6ʱ£¬ÀûÓÃXmlHttpRequest¶ÔÏóÏò·þÎñÆ÷·¢³öÒì²½ÇëÇó
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