/**
 * cookie操作的相关函数
 */

function getExpDate(days, hours, minutes) {

    var expDate = new Date( );

    if (typeof days == "number" && typeof hours == "number" &&

        typeof hours == "number") {

        expDate.setDate(expDate.getDate( ) + parseInt(days));

        expDate.setHours(expDate.getHours( ) + parseInt(hours));

        expDate.setMinutes(expDate.getMinutes( ) + parseInt(minutes));
        
        return expDate.toGMTString( );
        
    }
}

// utility function called by getCookie( )
function getCookieVal(offset) {

    var endstr = document.cookie.indexOf (";", offset);

    if (endstr == -1) {
        endstr = document.cookie.length;
    }

    return unescape(document.cookie.substring(offset, endstr));

}



// primary function to retrieve cookie by name

function getCookie(name) {

    var arg = name + "=";

    var alen = arg.length;

    var clen = document.cookie.length;

    var i = 0;

    while (i < clen) {

        var j = i + alen;

        if (document.cookie.substring(i, j) == arg) {

            return getCookieVal(j);

        }

        i = document.cookie.indexOf(" ", i) + 1;

        if (i == 0) break;

    }

    return "";

}



// store cookie value with optional details as needed

function setCookie(name, value, expires, path, domain, secure) {

    document.cookie = name + "=" + escape (value) +

        ((expires) ? "; expires=" + expires : "") +

        ((path) ? "; path=" + path : "") +

        ((domain) ? "; domain=" + domain : "") +

        ((secure) ? "; secure" : "");

}



// remove the cookie by setting ancient expiration date

function deleteCookie(name,path,domain) {

    if (getCookie(name)) {

        document.cookie = name + "=" +

            ((path) ? "; path=" + path : "") +

            ((domain) ? "; domain=" + domain : "") +

            "; expires=Thu, 01-Jan-70 00:00:01 GMT";

    }

}
/*下拉导航*/

mySlideOutMenu.Registry = []
mySlideOutMenu.aniLen = 10
mySlideOutMenu.hideDelay = 500
mySlideOutMenu.minCPUResolution = 80

// constructor
function mySlideOutMenu(id, dir, left, top, width, height)
{
	this.ie  = document.all ? 1 : 0
	this.ns4 = document.layers ? 1 : 0
	this.dom = document.getElementById ? 1 : 0
	this.css = "";

	if (this.ie || this.ns4 || this.dom) {
		this.id			 = id
		this.dir		 = dir
		this.orientation = dir == "left" || dir == "right" ? "h" : "v"
		this.dirType	 = dir == "right" || dir == "down" ? "-" : "+"
		this.dim		 = this.orientation == "h" ? width : height
		this.hideTimer	 = false
		this.aniTimer	 = false
		this.open		 = false
		this.over		 = false
		this.startTime	 = 0

		// global reference to this object
		this.gRef = "mySlideOutMenu_"+id
		eval(this.gRef+"=this")

		// add this menu object to an internal list of all menus
		mySlideOutMenu.Registry[id] = this

		var d = document

		var strCSS = "";
		strCSS += '#' + this.id + 'Container { visibility:hidden; '
		strCSS += 'left:' + left + 'px; '
		strCSS += 'top:' + top + 'px; '
		strCSS += 'width:' + width + 'px; '
		strCSS += 'height:' + height + 'px; '		
		strCSS += 'overflow:hidden; z-index:10000; }'
		strCSS += '#' + this.id + 'Container, #' + this.id + 'Content { position:absolute; '
		strCSS += '}'

		this.css = strCSS;

		this.load()
	}
}

mySlideOutMenu.writeCSS = function() {
	document.writeln('<style type="text/css">');

	for (var id in mySlideOutMenu.Registry) {
		document.writeln(mySlideOutMenu.Registry[id].css);
	}

	document.writeln('</style>');
}

mySlideOutMenu.prototype.load = function() {
	var d = document
	var lyrId1 = this.id + "Container"
	var lyrId2 = this.id + "Content"
	var obj1 = this.dom ? d.getElementById(lyrId1) : this.ie ? d.all[lyrId1] : d.layers[lyrId1]
	if (obj1) var obj2 = this.ns4 ? obj1.layers[lyrId2] : this.ie ? d.all[lyrId2] : d.getElementById(lyrId2)
	var temp

	if (!obj1 || !obj2) window.setTimeout(this.gRef + ".load()", 100)
	else {
		this.container	= obj1
		this.menu		= obj2
		this.style		= this.ns4 ? this.menu : this.menu.style
		this.homePos	= eval("0" + this.dirType + this.dim)
		this.outPos		= 0
		this.accelConst	= (this.outPos - this.homePos) / mySlideOutMenu.aniLen / mySlideOutMenu.aniLen 

		// set event handlers.
		if (this.ns4) this.menu.captureEvents(Event.MOUSEOVER | Event.MOUSEOUT);
		this.menu.onmouseover = new Function("mySlideOutMenu.showMenu('" + this.id + "')")
		this.menu.onmouseout = new Function("mySlideOutMenu.hideMenu('" + this.id + "')")

		//set initial state
		this.endSlide()
	}
}
	
mySlideOutMenu.showMenu = function(id)
{
	var reg = mySlideOutMenu.Registry
	var obj = mySlideOutMenu.Registry[id]
	
	if (obj.container) {
		obj.over = true

		// close other menus.
		for (menu in reg) if (id != menu) mySlideOutMenu.hide(menu)

		// if this menu is scheduled to close, cancel it.
		if (obj.hideTimer) { reg[id].hideTimer = window.clearTimeout(reg[id].hideTimer) }

		// if this menu is closed, open it.
		if (!obj.open && !obj.aniTimer) reg[id].startSlide(true)
	}
}

mySlideOutMenu.hideMenu = function(id)
{
	// schedules the menu to close after <hideDelay> ms, which
	// gives the user time to cancel the action if they accidentally moused out
	var obj = mySlideOutMenu.Registry[id]
	if (obj.container) {
		if (obj.hideTimer) window.clearTimeout(obj.hideTimer)
		obj.hideTimer = window.setTimeout("mySlideOutMenu.hide('" + id + "')", mySlideOutMenu.hideDelay);
	}
}

mySlideOutMenu.hideAll = function()
{
	var reg = mySlideOutMenu.Registry
	for (menu in reg) {
		mySlideOutMenu.hide(menu);
		if (menu.hideTimer) window.clearTimeout(menu.hideTimer);
	}
}

mySlideOutMenu.hide = function(id)
{
	var obj = mySlideOutMenu.Registry[id]
	obj.over = false

	if (obj.hideTimer) window.clearTimeout(obj.hideTimer)
	
	// flag that this scheduled event has occured.
	obj.hideTimer = 0

	// if this menu is open, close it.
	if (obj.open && !obj.aniTimer) obj.startSlide(false)
}

mySlideOutMenu.prototype.startSlide = function(open) {
	this[open ? "onactivate" : "ondeactivate"]()
	this.open = open
	if (open) this.setVisibility(true)
	this.startTime = (new Date()).getTime()	
	this.aniTimer = window.setInterval(this.gRef + ".slide()", mySlideOutMenu.minCPUResolution)
}

mySlideOutMenu.prototype.slide = function() {
	var elapsed = (new Date()).getTime() - this.startTime
	if (elapsed > mySlideOutMenu.aniLen) this.endSlide()
	else {
		var d = Math.round(Math.pow(mySlideOutMenu.aniLen-elapsed, 2) * this.accelConst)
		if (this.open && this.dirType == "-")		d = -d
		else if (this.open && this.dirType == "+")	d = -d
		else if (!this.open && this.dirType == "-")	d = -this.dim + d
		else										d = this.dim + d

		this.moveTo(d)
	}
}

mySlideOutMenu.prototype.endSlide = function() {
	this.aniTimer = window.clearTimeout(this.aniTimer)
	this.moveTo(this.open ? this.outPos : this.homePos)
	if (!this.open) this.setVisibility(false)
	if ((this.open && !this.over) || (!this.open && this.over)) {
		this.startSlide(this.over)
	}
}

mySlideOutMenu.prototype.setVisibility = function(bShow) { 
	var s = this.ns4 ? this.container : this.container.style
	s.visibility = bShow ? "visible" : "hidden"
}
mySlideOutMenu.prototype.moveTo = function(p) { 
	this.style[this.orientation == "h" ? "left" : "top"] = this.ns4 ? p : p + "px"
}
mySlideOutMenu.prototype.getPos = function(c) {
	return parseInt(this.style[c])
}

// events
mySlideOutMenu.prototype.onactivate		= function() { }
mySlideOutMenu.prototype.ondeactivate	= function() { }
var $ = function(i){return document.getElementById(i);}
var ua = navigator.userAgent.toLowerCase();
var isIE = (ua.indexOf("msie") > -1),isIE7 = (ua.indexOf("msie 7") > -1),isOpera = (ua.indexOf("opera") > -1),isSafari = (ua.indexOf("webkit") != -1 || ua.indexOf("khtml") != -1),isGecko = (!isSafari && ua.indexOf("gecko") > -1);


/*标签切换*/

function o_tab(){
	var tab_menu,tab_main;
	var on,off;
	var type;
	
	function $( id ){ return document.getElementById( id );}
	
	function setListener(){
		for( var i = 0; i < tab_menu.length; i++ ){
			tab_menu[i].cur_no = i;
			if( type == "" ){
				tab_menu[i].onclick = setOnAndOff;
			} else {
				tab_menu[i].onmouseover = setOnAndOff;
				tab_menu[i].onmouseout = setOnAndOff;
			}
		}
	}
	
	function setOnAndOff(){
		for( var i=0; i<tab_menu.length; i++ ){
		   	$(tab_main+(i+1)).style.display = ( i==this.cur_no )?"block":"none";
			tab_menu[i].className = ( i==this.cur_no )?on:off;
		}
		return false;
	}
	
	this.init = function( tab_menu1,tagName,tab_main1,on1,off1,no1,type1 ){
		tab_menu = $(tab_menu1).getElementsByTagName( tagName );
		tab_main = tab_main1;
		on = on1;
		off = off1;
		type = type1;
		tab_menu[no1-1].className = on;
		$(tab_main+no1).style.display = "block";
		setListener();
	}

}
/*纵向下拉菜单*/
function o_menu(){
	var tab_menu,tab_main,title;
	var on,off;
	var pre_no;
	
	function $( id ){ return document.getElementById( id );}
	
	function setListener(){
		for( var i = 0; i < tab_menu.length; i++ ){
			if( tab_menu[i].title != title ) continue;
			tab_menu[i].cur_no = i;
			tab_menu[i].onclick = setOnAndOff;
		}
	}
	
	function setOnAndOff(){		
		if( pre_no == (this.cur_no+1) ){
			$(tab_main+pre_no).style.display = $(tab_main+pre_no).style.display == "block"? "none":"block";
			tab_menu[this.cur_no].className = tab_menu[this.cur_no].className == on ? off:on;
		} else {
			for( var i=0; i<tab_menu.length; i++ ){
				$(tab_main+(i+1)).style.display = ( i==this.cur_no )?"block":"none";
				tab_menu[i].className = ( i==this.cur_no )?on:off;
			}
		}
		pre_no = this.cur_no+1;
		return false;
	}
	
		
	this.init = function(id,t1,cnt,on1,off1,no1 ){
		if( $(id) == null ){
			return;
		}
		tab_menu = $( id ).getElementsByTagName( "h3" );
		if( $(tab_menu) == null ){
			return;
		}
		
		title = t1;
		tab_main = cnt;
		on = on1;
		off = off1;
		pre_no = no1;
		
		tab_menu[no1-1].className = on;
		$(tab_main+(no1)).style.display = "block";
		setListener();
	}

}