function displayMenu(menu_name) {
	// get the coordinates for the menu
	var IE7 = (navigator.appVersion.indexOf("MSIE 7.")==-1) ? false : true;
	var IE6 = (navigator.appVersion.indexOf("MSIE 6.")==-1) ? false : true;
	
	if (IE7) {
		var left = $(menu_name+'-div').offsetLeft + $('page').offsetLeft + 1;
		var top = $(menu_name+'-div').offsetTop + $(menu_name+'-div').parentNode.offsetTop + 30;
	} else if (IE6) {
		var left = $(menu_name+'-div').offsetLeft + $('page').offsetLeft + 1;
		var top = $(menu_name+'-div').offsetTop + $(menu_name+'-div').parentNode.offsetTop + 30;
	} else {
		var left = $(menu_name+'-div').offsetLeft;
		var top = $(menu_name+'-div').offsetTop + 34;
	}
	
	if ($(menu_name+'-menu')) {
		var parent_width = $(menu_name+'-div').getWidth()
		
		if (parent_width > $(menu_name+'-menu').getWidth()) {
			$(menu_name+'-menu').style.width = parent_width+'px';
		}
		
		$(menu_name+'-menu').style.left = left+'px';
		$(menu_name+'-menu').style.top = top+'px';
		$(menu_name+'-menu').style.display = 'block';
	}
}

function hideMenu(menu_name) {
	if ($(menu_name+'-menu')) {
		$(menu_name+'-menu').style.display = 'none';
	}
}