anNS="http://rdf.desire.org/vocab/recommend.rdf#"
 rdfNS="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
 ImgNS="http://jibbering.com/2002/3/svg/#"
 DCNS="http://purl.org/dc/elements/1.1/"
 foafNS="http://xmlns.com/foaf/0.1/"
 wordnetNS="http://xmlns.com/wordnet/1.6/"
 svgrNS="http://www.w3.org/2001/svgRdf/axsvg-schema.rdf#"
 svgNS="http://www.w3.org/2000/svg"
 travNS='http://www.w3.org/2000/10/swap/pim/travelTerms#'
 airportNS='http://www.daml.org/2001/10/html/airport-ont#'
 dctermsNS='http://purl.org/dc/terms/'
 cycNS='http://opencyc.sourceforge.net/daml/cyc.daml#'
 flightNS='http://jibbering.com/2002/8/flight/#'
 contactNS="http://www.w3.org/2000/10/swap/pim/contact#" 

 myRDF=new RDF()
 myRDF2=new RDF()
 SVGDoc=null
 Airports=[]
 Persons=[]

	function Airport(ref,lat,lon,nam,loc) {
  this.ref=ref
  this.lat=+lat
  this.lon=+lon
  this.nam=nam
  this.loc=loc
	}

 function init(evt) {
  SVGDoc=evt.getTarget().getOwnerDocument()
  myRDF2.getRDFURL('http://jibbering.com/2002/8/nearestAirport.1',fn2)
 }
 function fn() {
  airp=myRDF.Match(null,null,null,airportNS+"Airport")
		for (var i=0;i<airp.length;i++) {
   lat=myRDF.getSingleObject(null,airp[i].subject,'http://www.w3.org/2003/01/geo/wgs84_pos#lat',null)
   lon=myRDF.getSingleObject(null,airp[i].subject,'http://www.w3.org/2003/01/geo/wgs84_pos#long',null)
   nam=myRDF.getSingleObject(null,airp[i].subject,airportNS+'name',null)
   loc=myRDF.getSingleObject(null,airp[i].subject,airportNS+'location',null)
   Airports[airp[i].subject]=new Airport(airp[i].subject,lat,lon,nam,loc)
		}
 for (i=Persons.length-1;i>=0;i--) {
  if (Airports[Persons[i].airport]) drawPerson(Airports[Persons[i].airport],Persons[i].mbox)
	}
 }
function fn2() {
 Pers=myRDF2.Match(null,null,null,foafNS+'Person')
 Aps=[]
	for (var i=0;i<Pers.length;i++) {
  mbox=myRDF2.getSingleObject(null,Pers[i].subject,foafNS+'mbox',null)

  airp=myRDF2.getSingleObject(null,Pers[i].subject,contactNS+'nearestAirport',null)
  Aps[Aps.length]=airp.replace('http://www.daml.org/cgi-bin/airport?','')
  Persons.push({mbox:mbox,airport:airp})
 }
 myRDF=new RDF()
 myRDF.getRDFURL('/rdf/airports.1?'+Aps.join(';'),fn)

}

 function drawPerson(r,mbox) {
   lat=r.lat;lon=r.lon;nam=r.nam;
   gel=SVGDoc.getElementById('gel')
   cEl=SVGDoc.createElementNS(svgNS,'circle')
   cEl.setAttribute('cx',lon)
   cEl.setAttribute('cy',lat)
   cEl.setAttribute('r',0.5)
   cEl.setAttribute('stroke','red')
   cEl.setAttribute('stroke-width','0.05')
   cEl.setAttribute('fill','yellow')
   cEl.setAttribute('opacity','0.9')
   cEl.setAttributeNS(airportNS,'name',nam)
   cEl.setAttributeNS(airportNS,'mbox',mbox)
   cEl.addEventListener('mouseover',mm,false)
   cEl.addEventListener('mouseout',mo,false)
   gel.appendChild(cEl)
 }

function mm(e) {
 var el=e.getTarget()
 popup=SVGDoc.getElementById('popup') 
 x=e.getClientX()
 y=e.getClientY()
 scale = SVGDoc.documentElement.getCurrentScale();
 trans = SVGDoc.documentElement.getCurrentTranslate();  
 var x = x/scale + (( 0.0 - trans.x ) / scale);
 var y = y/scale + (( 0.0 - trans.y ) / scale);

try {
 popup.firstChild.removeChild(popup.firstChild.firstChild)
 popup.lastChild.removeChild(popup.lastChild.firstChild)
} catch (e) {}
 popup.firstChild.appendChild(SVGDoc.createTextNode(el.getAttributeNS(airportNS,'name')))
 popup.lastChild.appendChild(SVGDoc.createTextNode(el.getAttributeNS(airportNS,'mbox')))
 popup.setAttribute('transform','translate('+(x+5)+','+(y+12)+")")
}



function mo(evt) {
 var el=evt.getTarget()
 popup=SVGDoc.getElementById('popup') 
try {
 popup.firstChild.removeChild(popup.firstChild.firstChild)
 popup.lastChild.removeChild(popup.lastChild.firstChild)
} catch (e) {}
}