function show_item(item){
	var display_list = Array("broome", "mandurah", "scarborough", "yallingup", "head_office");

	for(var i = 0; i < display_list.length; i++){
		var target = document.getElementById(display_list[i]);
		target.style.display = "none";
	}

	if(item != ""){
		var display = document.getElementById(item);
		display.style.display = "";
	}
}