function changeactivity(countryid,displayid)
	{

		//alert(city_id);
	
	var ajaxRequest;
	try
		{
		ajaxRequest = new XMLHttpRequest();
	   	}
	catch (e)
		{
		// Internet Explorer Browsers
		try
			{
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
			}
		catch (e)
			{
			try
				{
				ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
				}
			catch (e)
				{
				// Something went wrong
				alert("Your browser broke!");
				return false;
				}
			}
		}
	
	ajaxRequest.onreadystatechange = function()
		{//alert(displayid);
		var display_id= displayid;
		if(ajaxRequest.readyState == 1)
			{
			document.getElementById(display_id).innerHTML="<select><option></option></select>";	
			}
			
		if(ajaxRequest.readyState == 4)
			{			
			//alert(display_id);
			//document.getElementById('from_airport').innerHTML = ajaxRequest.responseText;
			document.getElementById(display_id).innerHTML = ajaxRequest.responseText;
			return false;
			}
		}
	
	//var queryString ='productid,' + product_id+'-shadeid,'+shade_id ;//alert(queryString);
	ajaxRequest.open("GET", "/kernel/change/countryid-"+countryid, true);
	ajaxRequest.send(null); 
}