JavaScript implements Unicode and character conversion _javascript skills

<script language= "JavaScript" >
Mobile detection
function Checkmobile (num) {
reg=/^13[0-9]\d{8}$/;
if (Reg.test (num)) {
return true;
}else{
reg=/^15[8-9]\d{8}$/;
if (Reg.test (num)) {
return true;
}else{
reg=/^153\d{8}$/;
if (Reg.test (num)) {
return true;
}else{
return false;
}
}

}
}
</script>
<script language= "JavaScript" >
Unicode conversion to character
function UNICODE2CHR (str) {
if ('!= str ') {
var St, T, I
st = ';
for (i = 1; I <= STR.LENGTH/4 i + +) {
t = Str.slice (4*i-4, 4*i-2);
t = Str.slice (4*i-2, 4*i). Concat (t);
st = St.concat ('%u '). Concat (t);
}
st = Unescape (ST);
return (ST);
}
Else
Return (")";
}
Convert character to Unicode
function Chr2unicode (str) {
if ('!= str ') {
var St, T, I;
st = ';
for (i = 1; I <= str.length i + +) {
t = str.charcodeat (i-1). toString (16);
if (T.length < 4)
while (T.length <4)
t = ' 0 '. Concat (t);
t = T.slice (2, 4). Concat (T.slice (0, 2))
st = St.concat (t);
}
Return (St.touppercase ());
}
else {
Return (")";
}
}

var http_request = false;
function getrequest (URL) {
Http_request = false;
if (window. XMLHttpRequest) {//Mozilla, Safari,...
Http_request = new XMLHttpRequest ();
if (Http_request.overridemimetype) {
Http_request.overridemimetype (' Text/xml ');
}
else if (window. ActiveXObject) {//IE
try {
Http_request = new ActiveXObject ("Msxml2.xmlhttp");
catch (e) {
try {
Http_request = new ActiveXObject ("Microsoft.XMLHTTP");
catch (e) {}
}
}
if (!http_request) {
return false;
}
Http_request.onreadystatechange = Showtlinfo;
Http_request.open (' Get ', url, true);
Http_request.send (NULL);
}

function Showtlinfo () {
if (http_request.readystate = = 4) {
if (Http_request.status = = 200) {
Txt=http_request.responsetext;
Document.noname=txt;
Document.all.noname.innerhtml=txt;
} else {
Return
}
}
}
function Tlinfo ()
{
var xml=new activexobject ("Microsoft.XMLDOM");
Xml.async= "false";
Xml.load ("Http://my.x-push.net/xml/805128.xml");
if (xml.parseerror!=0)
{
Getrequest ("http://my.x-push.net/getxml.asp?no=805128");
Return
}
var root=xml.documentelement;
Txt=root.childnodes (1). text;
Document.noname=txt;
Document.all.noname.innerhtml=txt;
}
Tlinfo ();
</script>