function timetemp() {
var xmlHttp;
	try{	
		xmlHttp=new XMLHttpRequest();// Firefox, Opera 8.0+, Safari
	}
	catch (e){
		try{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP"); // Internet Explorer
		}
		catch (e){
		    try{
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e){
				return false;
			}
		}
	}

	xmlHttp.onreadystatechange=function(){
		if(xmlHttp.readyState==4){
			document.getElementById('time_temp').innerHTML = xmlHttp.responseText;
			setTimeout('timetemp()', 30000);
		}
	}

	xmlHttp.open("GET","http://besic.usd348.com/time-temp.php",true);
	xmlHttp.send(null);
}

window.onload=function(){
	timetemp();
}