var L1_icon_on = style_path + "images/icon_secondary_menu_on.gif";
var L1_icon_off = style_path + "images/icon_secondary_menu_off.gif";
var L2_icon_on = style_path + "images/icon_secondary_submenu_on.gif";
var L2_icon_off = style_path + "images/icon_secondary_submenu_off.gif";

function OpenChild(obj,level)
{
	var parent=obj.parentNode;	
	var ul_obj=parent.getElementsByTagName('ul');
	var img_obj=parent.getElementsByTagName('img');
	
	if( ul_obj != null && ul_obj.length > 0 )
	{
		if(ul_obj[0].style.display=="none")
		{
			ul_obj[0].style.display="";
			if(level==2)
			{
				ChangeL1Icon(img_obj[0],'on');
			}
			else if(level==3)
			{
				ChangeL2Icon(img_obj[0],'on');
				obj.className="general hover_menu bold";
			}
		}
		else
		{
			ul_obj[0].style.display="none";
			if(level==2)
			{
				ChangeL1Icon(img_obj[0],'off');
			}
			else if(level==3)
			{
				ChangeL2Icon(img_obj[0],'off');			
				obj.className="general hover_menu";
			}		
		}
	}
}

function ChangeL1Icon(obj,act)
{
	switch(act)
	{
		case 'on':
			obj.src=L1_icon_on;
		break;
		case 'off':
			obj.src=L1_icon_off;
		break;
	}
}

function ChangeL2Icon(obj,act)
{
	switch(act)
	{
		case 'on':
			obj.src=L2_icon_on;
		break;
		case 'off':
			obj.src=L2_icon_off;
		break;
	}
}