///////////////////////////////////////////////////////////////////////////
///// lplinkify.js version 1.0 /////
///// function "LinkifyLocaPoint()" convert any LocaPoint in a page 
///// into <A> tag for Google Maps with correct location.
///// If LocaPoint is already in <A> tag, it will NOT be converted.
/////
///// Copyright 2005-2006 Locazing Inc.
/////
///////////////////////////////////////////////////////////////////////////


//LinkifyLocaPoint
function LinkifyLocaPoint(){
	var d = document;
	var mapURL = "http://maps.google.com/?q=";
	
	d.body.normalize();
	F(d.body);
	function F(n){
		var u,A,M,R,c,x,location, replaceflag;
		if(n.nodeType==3){
			u=n.data.search(/([A-Z]{2}\d\.){3}[A-Z]{2}\d/);
			if(u>=0) {
				M=n.splitText(u);
				location = Locapoint2LatLon(M.data);
				if(M.data.length>15){ //append
					replaceflag=false;
					R=M.splitText(15);
				}else{
					replaceflag=true;
					R = d.createElement("span");//dummy
					M.parentNode.replaceChild(R, M);
				}
				A=d.createElement("A");
				A.setAttribute("href", mapURL + location.latitude + "," + location.longitude + "(" + M.data + ")" );
				A.setAttribute("title", "lat,lon= " + location.latitude + "," + location.longitude);
				A.appendChild(M);
				if(replaceflag==true){
					R.parentNode.replaceChild(A,R)
				}else{
					R.parentNode.insertBefore(A,R);
				}
			}
		}else if(n.tagName!="STYLE" && n.tagName!="SCRIPT" && n.tagName!="A"){
			for(c=0;x=n.childNodes[c];++c){
				F(x);
			}
		}
	}
}
//common functions
//Locapoint2LatLon
function Locapoint2LatLon(locapoint){
	var location = new Object();
	location.latitude =(
		((locapoint.charCodeAt(0)-65)*1757600
		+(locapoint.charCodeAt(1)-65)*67600
		+(locapoint.charCodeAt(2)-48)*6760
		+(locapoint.charCodeAt(8)-65)*260
		+(locapoint.charCodeAt(9)-65)*10
		+(locapoint.charCodeAt(10)-48))
		*180/45697600-90).toFixed(6);
	location.longitude = (
		((locapoint.charCodeAt(4)-65)*1757600
		+(locapoint.charCodeAt(5)-65)*67600
		+(locapoint.charCodeAt(6)-48)*6760
		+(locapoint.charCodeAt(12)-65)*260
		+(locapoint.charCodeAt(13)-65)*10
		+(locapoint.charCodeAt(14)-48) )
		*360/45697600-180).toFixed(6);
	return(location);
}
//LatLon2Locapoint
function LatLon2Locapoint(lat, lon){
	var latstep=Math.floor(((lat-(-90))*45697600/180));
	var lngstep=Math.floor(((lon-(-180))*45697600/360));
	var locapoint=String.fromCharCode(
		Math.floor(latstep/1757600%26)+65,
		Math.floor(latstep/67600%26)+65,
		Math.floor(latstep/6760%10)+48,
		46,
		Math.floor(lngstep/1757600%26)+65,
		Math.floor(lngstep/67600%26)+65,
		Math.floor(lngstep/6760%10)+48,
		46,
		Math.floor(latstep/260%26)+65,
		Math.floor(latstep/10%26)+65,
		Math.floor(latstep%10)+48,
		46,
		Math.floor(lngstep/260%26)+65,
		Math.floor(lngstep/10%26)+65,
		Math.floor(lngstep%10)+48
	); 
	return(locapoint);
}