function changeTab(type, position)
{
	/*
	if(type == "add")
	{
		Element.hide("tab_jyoken_" + position);
		Element.hide("tab_map_"   + position);
	}
	else if(type == "jyoken")
	*/
	if(type == "jyoken")
	{
//			Element.hide("tab_add_" + position);
		Element.hide("tab_map_" + position);
	}
	else if(type == "map")
	{
		Element.hide("tab_jyoken_" + position);
//			Element.hide("tab_add_"   + position);
	}
	
	Element.show("tab_" + type + "_" + position);
}