function $f(id) {
	return document.getElementById(id);
}

function show_big_img(file, height)
{
	if(!height) height=580;
	var width=560;
	var left=180;
	var top=100;

	wopener = window.open($('server_www').value+'image/detail/?image='+file, 'image', 'toolbar=0,location=0,status=1,resizable=1,scrollbars=0,width='+ width +',height='+ height +',top='+ top +',left='+ left);
	wopener.focus();
	
	return wopener;	
}


function submenu(show, id)
{
	if(show)
	{
		$('#li_'+id+' .menu_link').css('color','#175053');
		$('#li_'+id+' .menu_link').css('background-image',"url('"+$("#server_www").val()+"web/img/menu_point_active.png')");
		$('#li_'+id+' .menu_link').css('ext-decoration','none');
		$('#submenu_' + id).css('display', 'block');
	}
	else
	{
		$('#li_'+id+' .menu_link').css('color','#ffffff');
		$('#li_'+id+' .menu_link').css('background-image',"url('"+$("#server_www").val()+"web/img/menu_point.png')");
		$('#submenu_' + id).css('display', 'none');
	}
}