DOM = (document.getElementById)? true : false;

show_jur_map = function(id, visibility){
	if(DOM){
		mapNode = document.getElementById(id);
		if(mapNode){
			mapNode.style.visibility = visibility;
		}
	}
}

openSubMenu = function(menuItem, containerID){
	if(DOM){
		container = document.getElementById(containerID);
		if(container){
			container.style.display = (container.style.display == "block")? "none" : "block";
			menuItem.className = (container.style.display == "block")? "openTreeItem" : "closeTreeItem";
		}
	}
}

show_office = function(containerID, id, listContainer, linkNode){
	if(DOM){
		container = document.getElementById(containerID);
		offNode = document.getElementById(id);

		listContainer = document.getElementById(listContainer);

		if(container && offNode){
			offices = container.getElementsByTagName("DIV");
			for(i=0; i<offices.length; i++){
				offices.item(i).style.display = "none";
			}                                                                   
			offNode.style.display = (offNode.style.display != "block")? "block" : "none";
		}                                                                      
		if(listContainer && linkNode){
			offices = listContainer.getElementsByTagName("P");
			for(i=0; i<offices.length; i++){
				offices.item(i).style.backgroundColor = "#fff";
			}                                                                   
			linkNode.style.backgroundColor = "#abbade";
		
		}
	}
}