/*导航条下拉菜单*/
mySlideOutMenu.Registry = []
mySlideOutMenu.aniLen = 250
mySlideOutMenu.hideDelay = 100
mySlideOutMenu.minCPUResolution = 10
mySlideOutMenu.curo = "";
mySlideOutMenu.on = "";
mySlideOutMenu.off = "";
var o_o;

// constructor
function mySlideOutMenu(on,off,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) {
		mySlideOutMenu.on = on;
		mySlideOutMenu.off = off;
		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,o){
	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){
			  if( o != undefined ){
				 if( o_o != undefined ){ 
				 	o_o.className = mySlideOutMenu.off; 
				 }
				 o_o = o;
				 o.className = mySlideOutMenu.on;
			  }
			  reg[id].startSlide(true);
		  }
	  }

}

mySlideOutMenu.hideMenu = function(id,o){
	// 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() { }

/*show flash*/

function flashObject(file_name,width,height){
  document.write('<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0" width="' + width + '" height="' + height + '">');
  document.write('<param name="movie" value="' + file_name + '">');
  document.write('<param name="quality" value="high">');
  document.write('<param name="menu" value="false">');
  document.write('<param name="wmode" value="transparent">');
  document.write('<embed src="' + file_name + '" width="' + width + '" height="' + height + '" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" wmode="transparent"></embed>');
  document.write('</object>');
}

/*text marquee*/
function startmarquee(lh,speed,delay,ele){
	var t;
	var p = false;
	var o = document.getElementById( ele );
	
	function setEvent(){
		o.innerHTML += o.innerHTML;
		o.onmouseover = function(){ p = true; }
		o.onmouseout = function(){ p = false; }
		o.scrollTop = 0;
	}
	
	function start(){
		t=setInterval(scrolling,speed);
		if(!p) o.scrollTop += 2;
	}
	
	function scrolling(){
		if(o.scrollTop%lh!=0){
			o.scrollTop += 2;
			if(o.scrollTop>=o.scrollHeight/2) o.scrollTop = 0;
		}else{
			clearInterval(t);
			setTimeout(start,delay);
		}
	}
	
	function init(){
		if( o == null ) return;
		
		if( document.all ){
			window.attachEvent( "onload",function(){ setTimeout(start,delay); } );
		} else {
			window.addEventListener( "load",function(){ setTimeout(start,delay); },false );
		}
	}
	
	init();
}