hostipfox - tooltip.js

try
	{
	var api_key = oPrefs.getCharPref("hostipfox.options.api_key")
	var self = this;
	var xmlHttp = new XMLHttpRequest();
	var xmlUrl = 'http://api.hostip.info/?ip=' + ipaddr;
	
	xmlHttp.open("GET", xmlUrl, true);
	xmlHttp.setRequestHeader("X-Hostip-API-Version", "1.1");
	xmlHttp.setRequestHeader("X-Hostip-API-Key", api_key);
	
	xmlHttp.onreadystatechange=function()
		{
		if (xmlHttp.readyState==4)
			{
			xmlDoc = xmlHttp.responseXML;
			self.location = '(unknown)';
			self.coords = '(unknown)';
			
			var gmlNS = "http://www.opengis.net/gml";
			var hostipEl = xmlDoc.getElementsByTagName("Hostip").item(0);
			var countryName = '';
			var cityName = '';
			for(i=0; i < hostipEl.childNodes.length; i++)
				{
				node = hostipEl.childNodes.item(i);
				switch(node.nodeName)
					{
					case "countryAbbrev":
					countryName = node.firstChild.nodeValue;
					break;
					case "gml:name":
					cityName = node.firstChild.nodeValue;
					break;
					case "ipLocation":
					self.coords = node.childNodes.item(1).childNodes.item(1).childNodes.item(1).firstChild.nodeValue;
					break;
					}
			}
			
			if(cityName != '')
			self.location = cityName;
			
			if(countryName != '')
			self.location += ', ' + countryName;
			
			self.update();
			}
		}
	xmlHttp.send(null);
	}
catch(e)
	{
	alert(e);
	}