function getarrdata(Parm)
{
	if (Parm.length<1) return;
	if (window.XMLHttpRequest) { 
    http_request = new XMLHttpRequest();
} else if (window.ActiveXObject) { 
    http_request = new ActiveXObject("Microsoft.XMLHTTP");
}
var linkurl="/common/ajaxserver.php?lx=getarrdata&"+Parm
//document.write(linkurl);
http_request.open("GET",linkurl,false);
http_request.send(null);

var returntxt=unescape(http_request.responseText)
return returntxt;
}