将ditu.google.com集成到google API中

function K_dituProjection(){}
K_dituProjection.prototype=new GMercatorProjection(19);
function K_dituSpec()
{
 GTileLayer.call(this,new GCopyrightCollection("ditu.google.com"),1,17);
}
K_dituSpec.prototype=GTileLayer.prototype;
K_dituSpec.prototype.getTileUrl=function(p,z)
{
 var zoom=17-z;
 return "http://mapgoogle.mapabc.com/googlechina/maptile?v=w2.43&zoom="+zoom+"&x="+p.x+"&y="+p.y;
}
K_dituSpec.prototype.isPng=function(){return true;}
window.K_ditu_MAP=new GMapType([new K_dituSpec()],new K_dituProjection(),"地图",{tileSize:256,shortName:51});

map.addMapType(K_ditu_MAP);
map.removeMapType(G_NORMAL_MAP);
map.removeMapType(G_HYBRID_MAP);
map.addControl(new GMapTypeControl());