<!--
// menu

if ( typeof(submenu) == "undefined" ) {
	var submenu = new Object();
	submenu['home'] = '';
	submenu['index'] = '';
	submenu['public']  = '<a href=\"#zz\" class=\"public_first\">政治</a><span>|</span><a href=\"#yy\">英语</a><span>|</span><a href=\"#sx\">数学</a>';
	submenu['domestic']   = '<a href=\"#jsj\" class=\"domestic_first\">计算机</a><span>|</span><a href=\"#fs\">法硕</a><span>|</span><a href=\"#xy\">西医</a><span>|</span><a href=\"#jyx\">教育学</a><span>|</span><a href=\"#lsx\">历史学</a><span>|</span><a href=\"#xlx\">心理学</a><span>';
	submenu['dalian'] = '<a href=\"#dllg\" class=\"dalian_first\">大连理工大学</a><span>|</span><a href=\"#\">东北财经大学</a> | </span><a href=\"#dlhs\">大连海事大学</a>';
	submenu['haerbin'] = '<a href=\"#hrbgy\" class=\"haerbin_first\">哈尔滨工业大学</a><span>|</span><a href=\"#hrbgc\">哈尔滨工程大学</a>';
	submenu['shenyang']   = '<a href=\"#dbdx\" class=\"shenyang_first\">东北大学</a>';
}

var home_index  = null;
var mouse_index = null;
var timeout     = null;

function init_menu(){
	try {
		var argv = init_menu.arguments;
		if ( typeof(argv[0]) != "undefined" ) {
			var idx  = argv[0];
			home_index = idx;
		}
		else {
			var idx = home_index;
		}
		if ( idx == null || idx == "") {
			//return false;
		}

		if ( mouse_index == null ) {
			set_menu( idx );
		}
	}
	catch (x) {
		//window.alert(x.message);
	}
}

function show_menu(){
	try {
		var argv = show_menu.arguments;
		if ( argv.length < 1 ) {
			return false;
		}
		var idx  = argv[0];
		if ( idx == null || idx == "") {
			return false;
		}

		mouse_index = idx;
		set_menu( idx );
		if ( typeof(timeout) != "undefined" && timeout != null ) {
			window.clearTimeout( timeout );
		}

		var menu = document.getElementById("submenu");
		menu.onmouseover = function(){
			window.clearTimeout( timeout );
		}
		menu.onmouseout = function(){
			timeout = window.setTimeout(function(){init_menu();}, 100);
		}
	}
	catch (x) {
		//window.alert(x.message);
	}
}

function hide_menu(){
	try {
		var argv = hide_menu.arguments;
		if ( typeof(argv[0]) != "undefined" ) {
			var is_strict = true;
		}
		else {
			var is_strict = false;
		}
		mouse_index = null;
		if ( is_strict ) {
			init_menu();
		}
		else if ( typeof(timeout) == "undefined" || timeout == null ) {
			init_menu();
		}
	}
	catch (x) {
		//window.alert(x.message);
	}
}

function set_menu( idx ){
	try {
		var menu = document.getElementById("submenu");
		if ( typeof(submenu[idx]) != "undefined" ) {
			menu.innerHTML = submenu[idx];
		}
		else {
			menu.innerHTML = "";
		}
	}
	catch (x) {
		//window.alert(x.message);
	}
}
//-->