【www.gdgbn.com--js教程】
<script type="text/网页特效">
var form=document.getelementbyid("loginform");
form.onsubmit=function(){
if(form.name.value==""){
document.getelementbyid("checkinfo").innerhtml="姓名不能为空";
return false;
}
if(form.tel.value==""){
document.getelementbyid("checkinfo").innerhtml="电话号码不能为空";
return false;
}
var patrn=/(^0[0-9]{2,3}-[1-9]{8}$)|[1-9]{7,8}|(^0?1[0-9]{10}$)/;
if (!patrn.exec(form.tel.value)) {
document.getelementbyid("checkinfo").innerhtml="电话号码不合法";
return false;
}
if(form.cardid.value==""){
document.getelementbyid("checkinfo").innerhtml="qq号码不能为空";
return false;
}
var request=getrequest();
if(request){
var formdata="floorname="+form.floorname.value+"&pass="+form.pass.value;//构造发送数据字符串
request.open("get","save.php?"+formdata,true);
request.onreadystatechange=function(){
callback(request);//指定回调函数
}
request.send(null);
}
return false;//阻止表单按常规方式提交
}
</script>