// JavaScript Document
function getObj(_str) {
	if (document.getElementById(_str)) {
		return document.getElementById(_str);
	} else {
		return false;
	}
}

function addMenuEvent() {
	for (i=1; i<11; i++) {
		getObj("menu"+i)._num = i;
		getObj("menu"+i).onmouseover=function() {
			this.src="/images/menu"+this._num+"_hover.jpg";
			if (getObj("menutab"+this._num)) {
				getObj("menutab"+this._num).style.display="block";
			}
		}
		getObj("menu"+i).onmouseout=function() {
			this.src="/images/menu"+this._num+".jpg";
			if (getObj("menutab"+this._num)) {
				getObj("menutab"+this._num).style.display="none";
			}
		}
		if (getObj("menutab"+i)) {
			getObj("menutab"+i)._num=i;
			getObj("menutab"+i).onmouseover = function() {
				this.style.display="block";
				getObj("menu"+this._num).src="/images/menu"+this._num+"_hover.jpg";
			}
			getObj("menutab"+i).onmouseout = function() {
				this.style.display="none";
				getObj("menu"+this._num).src="/images/menu"+this._num+".jpg";
			}
		}
	}
}

var _timeList=1;

function addTimeEvent() {
	for (i=1; i<6; i++) {
		getObj("time"+i)._num = i;
		getObj("time"+i).onmouseover=function() {
			if (this._num == _timeList) { return false; }
			this.className = "hover";
			if (getObj("timetab"+_timeList)) {
				getObj("timetab"+_timeList).style.display="none";
			}
			if (getObj("time")+_timeList) {
				getObj("time"+_timeList).className="";
			}
			if (getObj("timetab"+this._num)) {
				getObj("timetab"+this._num).style.display="block";
			}
			_timeList=this._num;
		}
	}
}

var _newsFlag=1;
function addNewsEvent() {
	for (i=1; i<3; i++)
	{
		getObj("edu"+i)._num = i;
		getObj("edu"+i).onmouseover=function() {
			if (this._num == _newsFlag) { return false; }
			this.className = "hover";
			if (getObj("edutab"+_newsFlag)) {
				getObj("edutab"+_newsFlag).style.display="none";
			}
			if (getObj("edu")+_newsFlag) {
				getObj("edu"+_newsFlag).className="til";
			}
			if (getObj("edutab"+this._num)) {
				getObj("edutab"+this._num).style.display="block";
			}
			if (this._num==1)
			{
				getObj("newsmore").href="/mtbd/mtbd.asp";
			}
			else
			{
				getObj("newsmore").href="/jtkx/jtkx.asp";
			}
			_newsFlag=this._num;
		}
	}
}

var currtab = new Array(1,1,1);
function cgChnel(str,fg,group) {
	if (fg == currtab[group-1])  return false;
	var _oelm = getObj(str+currtab[group-1]);
	var _otab = getObj(str+"Tab"+currtab[group-1]);
	var _elm = getObj(str+fg);
	var _tab = getObj(str+"Tab"+fg);
	if (_elm && _tab && _oelm && _otab) {
		var _str = _oelm.className;
		_oelm.className = _str.replace("_hover","");
		_elm.className=_elm.className+"_hover";
		_tab.className="dis";
		_otab.className = "disn";
		currtab[group-1] = fg;
	}
}