ajax建立及複製內容

function findobj(n, d) {
var p, i, x;
if(!d) d = document;
if((p = n.indexOf("?"))>0 && parent.frames.length) {
d = parent.frames[n.substring(p + 1)].document;
n = n.substring(0, p);
}
if(x != d[n] && d.all) x = d.all[n];
for(i = 0; !x && i < d.forms.length; i++) x = d.forms[i][n];
for(i = 0; !x && d.layers && i < d.layers.length; i++) x = findobj(n, d.layers[i].document);
if(!x && document.getElementById) x = document.getElementById(n);
return x;
}
function copycode(obj) {
var rng = document.body.createTextRange();
rng.moveToElementText(obj);
rng.scrollIntoView();
rng.select();
rng.execCommand("Copy");
rng.collapse(false);
}
//--------------------------------------------------------------------------------------------
function runCode(obj) {
var winname = window.open('', "_blank", '');
winname.document.open('text/html', 'replace');
var str  = obj.value.replace("<?","< ?");
winname.document.writeln(str);
winname.document.close();
}
function saveCode(obj) {
var winname = window.open('', '_blank', 'top=10000');
winname.document.open('text/html', 'replace');
winname.document.writeln(obj.value);
winname.document.execCommand('saveas','','code.htm');
winname.close();
}
//--------------------------------------------------------------------------------------------
function doZoom(size)
{
document.getElementById('zoom').style.fontSize=size+'px';
}
//count---------------------------------------------------------------------------------------
var xmlHttp;
function createXMLHttpRequest() {
if (window.ActiveXObject) {
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
else if (window.XMLHttpRequest) {
xmlHttp = new XMLHttpRequest();
}
}
function startRequest(arid) {
createXMLHttpRequest();
xmlHttp.onreadystatechange = handleStateChange;
var qurl = "../include/hit.php?a_id="+arid+"&timestamp="+new Date().getTime();
xmlHttp.open("GET", qurl, true);
xmlHttp.send(null);
}
function handleStateChange() {
if(xmlHttp.readyState == 4) {
if(xmlHttp.status == 200) {
var myspan = document.getElementById('count');
myspan.innerHTML = xmlHttp.responseText;
}
}
}