function createAjax(){
var xmlhttp;
try { xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); }
catch (e) {
try {xmlhttp=new XMLHttpRequest(); }
catch (e) {xmlhttp=false; }
}
return xmlhttp;
}
function tijiao1(){
var yuan=document.getElementById("callback");
yuan.innerHTML=" 免费电话：请输入您的电话号码： ";
}
function tijiao(){
var aaa;
aaa=document.getElementById("tel").value;
if (aaa.isMobile()||aaa.isTel()) {
aaa = aaa.Trim();
}
else {
alert("请输入正确的手机号码或电话号码\n\n例如:13988888888或0311-88888888");
return false;
}
if(aaa==""){
var tishi=document.getElementById("callback");
tishi.innerHTML=" 请输入正确的电话号码（例：0311-********）： ";
return;
}
tel(aaa);
}
function tel(xxx){
var xmlhttp1=createAjax();
if (xmlhttp1) {
var obj=document.getElementById("callback");
xmlhttp1.open('get','tel.php?xxx='+encodeURIComponent(xxx),true);
xmlhttp1.onreadystatechange=function() {
if (xmlhttp1.readyState==4 && xmlhttp1.status==200) {
obj.innerHTML=unescape(xmlhttp1.responseText);
}
else {
obj.innerHTML='正在发起呼叫......';
}
}
xmlhttp1.send(null);
}
}
String.prototype.Trim = function() {
var m = this.match(/^\s*(\S+(\s+\S+)*)\s*$/);
return (m == null) ? "" : m[1];
}
String.prototype.isMobile = function() {
return (/^(?:13\d|15\d|18\d)-?\d{5}(\d{3}|\*{3})$/.test(this.Trim()));
}
String.prototype.isTel = function()
{
return (/^(([0\+]\d{2,3}-)?(0\d{2,3})-)(\d{7,8})(-(\d{3,}))?$/.test(this.Trim()));
}