function sndReqRegister(posted_plc ,posted_val) {
	try {
         http.open('post', posted_plc);
         http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
         http.send('a='+posted_val);
         //document.getElementById('state_process').innerHTML = '<img src="http://img.kapanlagi.com/i/v2/indicator_remembermilk_orange.gif">';
         http.onreadystatechange = function () {	
		if(http.readyState == 4) {
               var response = http.responseText;
               var update = new Array();
               if (http.status == 200) {
                     document.getElementById('layerCity').innerHTML = response;				
               } else {
                     alert("ERROR:" + http.status + " Ada masalah pada pengiriman data!");
               }
		}
         }
	}	
	catch(e) {}
	finally {}
}