function contacto(){
	var contacto = window.open("contacto.htm","CONTACTO","width=700,height=600");
	posx= (screen.width - 700)/2;
	posy= (screen.height - 600)/2;
	contacto.moveTo(posx, posy);	
}
function buscador(){
	var Wbuscador = window.open("admin/search.php","BUSCADOR","width=940,height=620,scrollbars=1");
	posx= (screen.width - 920)/2;
	posy= (screen.height - 620)/2;
	Wbuscador.moveTo(posx, posy);	
}
function mapa(){
	var Wmapa = window.open("mapa/index.php","MAPA","width=1024,height=600,scrollbars=1");
	posx= (screen.width - 1024)/2;
	posy= (screen.height - 600)/2;
	Wmapa.moveTo(posx, posy);	
}