function showMapa(handler,named,w,h)	 {
	    winTop=screen.height/2;
		winTop=winTop-(h/2);
	    winLeft=screen.width/2;
		winLeft=winLeft-(w/2);
	    detailsWindow=window.open('', named,'height=' + h +',width=' + w + ',left='+ winLeft + ',top=' + winTop + ',scrollbars=0,status=0');
	 	detailsWindow.location= handler;
	 	detailsWindow.moveTo(winLeft,winTop);
		detailsWindow.focus();
}