window.onload = function(){
	init_map();
};
function init_map(){
	var map = $('map');
	if(!map){
		return false;
	}
	map.show_link = $('show-popup');
	map.hide_link = $('hide-popup');
	map.popup = $('popup');

	map.show_link.onclick = function(){
		this.popup.style.display = "block";
		this.hide_link.style.display = "block";
		this.show_link.style.display = "none";
	}.bind(map);

	map.hide_link.onclick = function(){
		this.popup.style.display = "none";
		this.hide_link.style.display = "none";
		this.show_link.style.display = "block";
	}.bind(map);

}