function fMenuInit () {
	var oButton = new Object();
	var oMenu = new Object();
	var nMaxHeight = 0;
	var oItems = document.menu;
	for (var i=0; i<oItems.length;i++) {
		oMenu = document.getElementById('global-nav-menu-'+oItems.item[i].value);
		oMenu.oButton = document.getElementById('global-nav-button-'+oItems.item[i].value);
		oMenuFore = document.getElementById('global-nav-menu-fore-'+oItems.item[i].value);
		oMenuBack = document.getElementById('global-nav-menu-back-'+oItems.item[i].value);
		oMenu.onmouseover = fOnMouseOver;
		oMenu.onmouseout = fOnMouseOut;
		oMenu.style.top = '16px';
		oMenu.style.left = oMenu.oButton.offsetLeft-1+'px';
		oMenu.style.width = oMenu.oButton.offsetWidth-1+'px';
		oMenu.style.height = oMenuFore.offsetHeight+'px';
		oMenuBack.style.width = oMenuFore.offsetWidth+'px';
		oMenuBack.style.height = oMenuFore.offsetHeight+'px';
		if (oMenuFore.offsetHeight>nMaxHeight) nMaxHeight = oMenuFore.offsetHeight;
	}
	oItems = document.map;
	for (var i=0; i<oItems.length;i++) {
		oMenu = document.getElementById('global-nav-menu-map-menu-'+oItems.item[i].value);
		oMenu.oButton = document.getElementById('global-nav-button-'+oItems.item[i].value);
		oMenu.style.top = '0px';
		oMenu.style.left = oMenu.oButton.offsetLeft+'px';
		oMenu.style.width = oMenu.oButton.offsetWidth-1+'px';
		oMenu.style.height = nMaxHeight+'px';		
	}
	oMenu = document.getElementById('global-nav-menu-map');
	oMenu.oButton = document.getElementById('global-nav-button-map');
	oMenuBack = document.getElementById('global-nav-menu-map-back');
	oMenu.onmouseover = fOnMouseOver;
	oMenu.onmouseout = fOnMouseOut;
	oMenu.style.top = '16px';
	oMenu.style.left = '0px';
	oMenu.style.width = '875px';
	oMenu.style.height = nMaxHeight+'px';
	oMenuBack.style.width = '875px';
	oMenuBack.style.height = nMaxHeight+'px';
}
function fOnMouseOver () {
	this.oButton.style.top = '-16px';
	this.style.visibility = 'visible';
}
function fOnMouseOut () {
	if (this.oButton.className!='global-nav-button-on') this.oButton.style.top = '0px';
	this.style.visibility = 'hidden';
}
function fShowMenu(sID) {
	var oButton = document.getElementById('global-nav-button-'+sID);
	var oMenu = document.getElementById('global-nav-menu-'+sID);
	oButton.style.top = '-16px';
	if (oMenu) oMenu.style.visibility = 'visible';
}
function fCloseMenu(sID) {
	var oButton = document.getElementById('global-nav-button-'+sID);
	var oMenu = document.getElementById('global-nav-menu-'+sID);
	if (oButton.className!='global-nav-button-on') oButton.style.top = '0px';
	if (oMenu) oMenu.style.visibility = 'hidden';
}