var prev_menu = false;
//--------------------------------------------------------------------------
function setCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function getCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function deleteCookie(name) {
	setCookie(name,"",-1);
}

//--------------------------------------------------------------------------

	function ShowSubmenu(id)
	{
		if(!id)return;
		deleteCookie("active_menu_item");
		setCookie("active_menu_item", id);
		document.getElementById(id).style.display = 'block';
		if(prev_menu&&prev_menu!=id){
			HideSubmenu(prev_menu);
		}
		prev_menu = id;
	}


	function HideSubmenu(id)
	{
		document.getElementById(id).style.display = 'none';
	}

	function infoPanelClick()
	{
		$("info_panel").toggle();
		return;
		try {
			var info_panel = document.getElementById("info_panel");
			if(info_panel.style.display=="none"){
				info_panel.style.display = "table-row";
				deleteCookie("info_panel_state");
				setCookie("info_panel_state", "table-row");
			}
			else {
				info_panel.style.display = "none";
				deleteCookie("info_panel_state");
				setCookie("info_panel_state", "none");
			}
		} catch(e) {
			// do nothing
		}
	}

	function setStartPage(new_home_url)
	{
		if (document.all)
		{
			obj.setHomePage(new_home_url);
		}	else
		if(!document.layers)
		{
			netscape.security.PrivilegeManager.enablePrivilege("UniversalPreferencesWrite");
			navigator.preference("browser.startup.homepage", new_home_url);
		}
	}