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

//show gmt
function show_gmt_local_time(timezone_id) {
	xmlHttp=GetXmlHttpObject()
	
	if (xmlHttp==null) {
		alert ("Your browser does not support AJAX!");
		return;
	}
	
	var url="xmlhttp.php";
	url=url+"?action=gmt_local_time&timezone_id="+timezone_id;
	
	xmlHttp.open("GET",url,true);
	xmlHttp.onreadystatechange=function() {
		document.getElementById("div_gmt_local_time").innerHTML='<img src="images/loading.gif" border="0"><span class="loading">Loading, please wait. . . . .</span>';
		
		if (xmlHttp.readyState == 4) {
			res = xmlHttp.responseText;
			//alert(res)
			document.getElementById("div_gmt_local_time").innerHTML=xmlHttp.responseText;
		}
	}
	xmlHttp.send(null);
}

//get current time
function get_current_time() {
	xmlHttp=GetXmlHttpObject()
	
	if (xmlHttp==null) {
		alert ("Your browser does not support AJAX!");
		return;
	}
	
	var format = 'd/m/Y H i'
	var url="xmlhttp.php";
	url=url+"?action=current_time&format="+ format;
	
	xmlHttp.open("GET",url,true);
	xmlHttp.onreadystatechange=function() {
		if (xmlHttp.readyState == 4) {
			res = xmlHttp.responseText;
			document.getElementById('cur_date').value = res.split(' ')[0] //date
			document.getElementById('cur_hour').value = res.split(' ')[1] //hour
			document.getElementById('cur_min').value = res.split(' ')[2] //mins
		}
	}
	xmlHttp.send(null);
}

//show state list
function show_seller_state_list(countries_id, session_name) {
	xmlHttp=GetXmlHttpObject()
	
	if (xmlHttp==null) {
		alert ("Your browser does not support AJAX!");
		return;
	}
	
	var url="xmlhttp.php";
	url=url+"?action=seller_state_list&countries_id="+countries_id+"&session_name="+session_name;
	
	xmlHttp.open("GET",url,true);
	xmlHttp.onreadystatechange=function() {
		document.getElementById("seller_state_div").innerHTML='Loading........';
		
		if (xmlHttp.readyState == 4) {
			res = xmlHttp.responseText;
			//alert(res)
			document.getElementById("seller_state_div").innerHTML=xmlHttp.responseText;
		}
	}
	xmlHttp.send(null);
}