//treemenu ver 1.0 (2005.04.19)
//
/*************** lnbcolor: »ö»óŸÀÔ. green/opera/pur *************************/
var old_menu							= "";
var old_cell							= "";
var old_sub								= "";
var IMG_PATH							= "/Common_img/Lnb_img/"
var IMG_OFF								= "";
var IMG_DOWN							= "";
var IMG_ON								= "";
var CLASSNAME							= "";
///////////////////////////////////////////////////////////////////////////////
function initmenu(color, menu)
{
	switch(color)
	{
		case "green" :
			CLASSNAME					= "lnb_green";
			break;
		case "opera" :
			CLASSNAME					= "lnb_opera";
			break;
		case "pur" :
			CLASSNAME					= "lnb_pur";
			break;
		case "blue" :
			CLASSNAME					= "lnb_blue";
			break;
		default :
			alert("color init!");
			break;
	}
	IMG_OFF								= IMG_PATH + "lnb_bul_off_01.gif";
	IMG_DOWN							= IMG_PATH + "lnb_bul_" + color + "_down_01.gif";
	IMG_ON								= IMG_PATH + "lnb_bul_" + color + "_on_01.gif";

	var initlt = document.getElementById("lt_"+menu);
	var initbar = document.getElementById("bar"+menu);
	var initmenu = document.getElementById("menu"+menu);
	treemenu(initlt, initbar, initmenu.id);
	
	return;
}
///////////////////////////////////////////////////////////////////////////////
function treemenu(menu, cellbar, sub)
{
	if( old_menu != menu )
	{
		if( old_menu.id != undefined )
		{
			old_menu.style.display 		= "none";
			old_cell.src 				= IMG_OFF;
			document.getElementById(old_sub).className = "lnb_off";
		}
		menu.style.display 				= "";
		cellbar.src 					= IMG_ON;
		old_menu 						= menu;
		old_cell 						= cellbar;
		old_sub 						= sub;
		document.getElementById(sub).className = CLASSNAME;
//		document.getElementById(sub).className = "lnb_blue";		
	} 
	else
	{
		menu.style.display 				= "none";
		cellbar.src						= IMG_OFF;	
		old_menu 						= "";
		old_cell 						= "";
		document.getElementById(sub).className = "lnb_off";
	}
}
///////////////////////////////////////////////////////////////////////////////
//document.onclick 						= treemenu;	//Ŭ¸¯ÇÒ ¶§¸¶´Ù treemenu1 ÇÔ¼ö ½ÇÇà