function createRequestObject()
	{
		
		var request_o;
		var browser = navigator.appName;

		if (browser == "Microsoft Internet Explorer")
		{
			request_o = new ActiveXObject("Microsoft.XMLHTTP");
		}
		else
		{
			request_o = new XMLHttpRequest();
		}
		return request_o;
	}	
	var http = createRequestObject();