// TLabel() GMaps API extension copyright 2005-2006 Tom Mangan
// http://gmaps.tommangan.us/tlabel.html
// free for non-commercial use
function TLabel(){}


TLabel.prototype.initialize=function(map)
{
    this.parentMap=map;
    /*
    var b=document.createElement('span');
    b.setAttribute('id',this.id);
    b.innerHTML=this.content;
    document.body.appendChild(b);
    */
    b = document.getElementById(this.id);
    b.innerHTML=this.content;

    b.style.position='absolute';
    b.style.zIndex=1;
    b.style.visibility='hidden';
    if(this.percentOpacity)
    {
        this.setOpacity(this.percentOpacity);
    }
    this.w = document.getElementById(this.id).offsetWidth;
    this.h = document.getElementById(this.id).offsetHeight;

    // Do this once when the page is started
    // this.mapTray=a.getPane(G_MAP_MARKER_PANE);
    // this.mapTray.appendChild(b);

    if(!this.markerOffset)
    {
        this.markerOffset=new google.maps.Size(0,0);
    }
    this.setPosition();
    b.style.visibility='visible';
    // GEvent.bind(a,"zoomend",this,function(){this.setPosition()});
    // GEvent.bind(a,"moveend",this,function(){this.setPosition()});
}

TLabel.prototype.setPosition=function(a)
{
    if(a)
    {
        this.anchorLatLng=a;
    }
    var b=this.parentMap.fromLatLngToDivPixel(this.anchorLatLng);
    var x=parseInt(b.x);
    var y=parseInt(b.y);
    with(Math)
    {
        switch(this.anchorPoint)
        {
            case 'topLeft':break;
            case 'topCenter':x-=floor(this.w/2);break;
            case 'topRight':x-=this.w;break;
            case 'midRight':x-=this.w;y-=floor(this.h/2);break;
            case 'bottomRight':x-=this.w;y-=this.h;break;
            case 'bottomCenter':x-=floor(this.w/2);y-=this.h;break;
            case 'bottomLeft':y-=this.h;break;
            case 'midLeft':y-=floor(this.h/2);break;
            case 'center':x-=floor(this.w/2);y-=floor(this.h/2);break;
            default:break;
        }
    }
    x = x + 8;
    var d=document.getElementById(this.id);
    d.style.left=x-this.markerOffset.width+'px';
    d.style.top=y-this.markerOffset.height+'px';
}

TLabel.prototype.setOpacity=function(b)
{
    if(b<0)
    {
        b=0;
    }
    if(b>100)
    {
        b=100;
    }
    var c=b/100;
    var d=document.getElementById(this.id);
    if(typeof(d.style.filter)=='string')
    {
        d.style.filter='alpha(opacity:'+b+')';
    }
    if(typeof(d.style.KHTMLOpacity)=='string')
    {
        d.style.KHTMLOpacity=c;
    }
    if(typeof(d.style.MozOpacity)=='string')
    {
        d.style.MozOpacity=c;
    }
    if(typeof(d.style.opacity)=='string')
    {
        d.style.opacity=c;
    }
}

function addTLabel(a, map)
{
    a.initialize(map);
}

function removeTLabel(a)
{
    var b=document.getElementById(a.id);
    b.style.visibility='hidden';
}