//setInterval('jah(\'http://www.rc-manager.com/chat.php\',\'chatdiv\');',8000);
//setInterval('jah(\'myurlhere\',\'mydivhere\');',10000);
//jah('myurlhere','mydivhere');

function jah_switch(url,target)
{
    if (document.getElementById(target).innerHTML != '')
    {
        document.getElementById(target).innerHTML = '';
    }
    else
    {
        jah(url,target);
    }
}

function jah(url,target) {
    // native XMLHttpRequest object
	document.getElementById(target).innerHTML = '<img style="margin-top:50px;" src="./gui/colorbox/loading.gif" alt="Loading..."/>';
    if (window.XMLHttpRequest) 
		{
        req = new XMLHttpRequest();
        req.onreadystatechange = function() {jahDone(target);};
        req.open("GET", url, true);
        req.send(null);
    // IE/Windows ActiveX version
		} 
	else if (window.ActiveXObject) 
		{
        req = new ActiveXObject("Microsoft.XMLHTTP");
        if (req) {
            req.onreadystatechange = function() {jahDone(target);};
            req.open("GET", url, true);
            req.send();
        }
    }
}    

function jahDone(target) {
    // only if req is "loaded"
    if (req.readyState == 4) {
        // only if "OK"
        if (req.status == 200) {
            results = req.responseText;
            document.getElementById(target).innerHTML = results;
			$j("a.popup_image").colorbox({rel:'placeholder', photo:true}); 
			$j(".popup_inline").colorbox({width:"50%", inline:true, href:"#inline_content"});
			$j(".popup_dynamic").colorbox(); 
        } else {
            document.getElementById(target).innerHTML="jah error:\n" +
                req.statusText;
        }
    }
}