function showMenu(id) {
		var el = $("#" + id);
		var pos = $(el).position();
		var w = $(el).width();
		var h = $(el).height();
		var div_id = "";
		switch(id) {
			case 'mm1': div_id = "dd1"; break;
			case 'mm2': div_id = "dd2"; break;
			case 'mm3': div_id = "dd3"; break;
			case 'mm4': div_id = "dd4"; break;
			case 'mm5': div_id = "dd5"; break;
			case 'mm6': div_id = "dd6"; break;
			case 'mm7': div_id = "dd7"; break;
			case 'mm8': div_id = "dd8"; break;			
			default: ; break;
		}
		var ww = Math.ceil(($('body').width() - $('.header').width()) / 2);
		if(ww < 0) ww = 0;
		$("#" + div_id).css({
			'left': Math.ceil(pos.left) + 10 + ww + 'px',
//			'left': parseInt(pos.left) + ww + 11 + 'px',
			'top': parseInt(pos.top) + parseInt(h) + 156 + 'px',
			'width': w + 'px',
			'visibility': 'visible',
			'display': 'block'
		});
		$(el).addClass('hover');		
	}

	function hideMenu(id) {
		var el = $("#" + id);
		var div_id = "";
		switch(id) {
			case 'mm1': div_id = "dd1"; break;
			case 'mm2': div_id = "dd2"; break;
			case 'mm3': div_id = "dd3"; break;
			case 'mm4': div_id = "dd4"; break;
			case 'mm5': div_id = "dd5"; break;
			case 'mm6': div_id = "dd6"; break;
			case 'mm7': div_id = "dd7"; break;
			case 'mm8': div_id = "dd8"; break;
			default: ; break;
		}
		$("#" + div_id).css({
			'visibility': 'hidden',
			'display': 'none'
		});	
		$(el).removeClass('hover');		
	}

	function showBMenu(id) {
		var el = $("#" + id);
		var pos = $(el).position();
		var w = $(el).width();
		var h = $(el).height();
		var div_id = "";
		switch(id) {
			case 'mm1b': div_id = "dd1b"; break;
			case 'mm2b': div_id = "dd2b"; break;
			case 'mm3b': div_id = "dd3b"; break;
			case 'mm4b': div_id = "dd4b"; break;
			case 'mm5b': div_id = "dd5b"; break;
			case 'mm6b': div_id = "dd6b"; break;
			case 'mm7b': div_id = "dd7b"; break;
			default: ; break;
		}
		var hh = $("#" + div_id).height();
		$("#" + div_id).css({
			'left': Math.ceil(pos.left) + 'px',
			'top': parseInt(pos.top) - parseInt(hh) - 1 + 'px',
			'width': w + 'px',
			'visibility': 'visible',
			'display': 'block'
		});
		$(el).addClass('hover');		
	}

	function hideBMenu(id) {
		var el = $("#" + id);
		var div_id = "";
		switch(id) {
			case 'mm1b': div_id = "dd1b"; break;
			case 'mm2b': div_id = "dd2b"; break;
			case 'mm3b': div_id = "dd3b"; break;
			case 'mm4b': div_id = "dd4b"; break;
			case 'mm5b': div_id = "dd5b"; break;
			case 'mm6b': div_id = "dd6b"; break;
			case 'mm7b': div_id = "dd7b"; break;
			default: ; break;
		}
		$("#" + div_id).css({
			'visibility': 'hidden',
			'display': 'none'
		});	
		$(el).removeClass('hover');		
	}

	function showRMenu(id) {
		var el = $("#" + id);
		var pos = $(el).position();
		var w = $(el).width();
		var h = $(el).height();
		var div_id = "";
		switch(id) {
			case 'rm1': div_id = "rd1"; break;
			default: ; break;
		}
		$("#" + div_id).css({
			'left': parseInt(pos.left) + 'px',
			'top': parseInt(pos.top) + parseInt(h) - 1 + 'px',
			'width': w - 2 + 'px',
			'visibility': 'visible',
			'display': 'block'
		});
		$(el).addClass('hover');		
	}

	function hideRMenu(id) {
		var el = $("#" + id);
		var div_id = "";
		switch(id) {
			case 'rm1': div_id = "rd1"; break;
			default: ; break;
		}
		$("#" + div_id).css({
			'visibility': 'hidden',
			'display': 'none'
		});	
		$(el).removeClass('hover');		
	}