/* SwitchMenu function Level 0
*************************************************/

function switchMenu_Head (obj) {
	if (document.getElementById) {
		var link_head = document.getElementById("b_head"+obj);
		var sub_ul = document.getElementById("m_head"+obj);
		
		if (sub_ul.style.display == "none"){
			sub_ul.style.display = "block";
			link_head.style.background = "#859EA7 url(img/nav_icon_open.gif) no-repeat 5px 5px";
			link_head.style.color = "#003366";
			link_head.style.fontWeight = "bold";
		} else {
			sub_ul.style.display = "none";
			link_head.style.background = "url(img/nav_icon.gif) no-repeat 5px 7px";
			link_head.style.color = "#003366";
			link_head.style.fontWeight = "normal";
		}
	}
}

/* SwitchMenu function Level rest
*************************************************/

function switchMenu_Sub (obj) {
	if (document.getElementById) {
		var link_head = document.getElementById("b_sub"+obj);
		var sub_ul = document.getElementById("m_sub"+obj);
		
		if (sub_ul.style.display == "none"){
			sub_ul.style.display = "block";
			link_head.style.background = "url(img/nav_icon_open.gif) no-repeat 5px 5px";
			link_head.style.fontWeight = "bold";
		} else {
			sub_ul.style.display = "none";
			link_head.style.background = "url(img/nav_icon.gif) no-repeat 5px 5px";
			link_head.style.fontWeight = "normal";
		}
	}
}