function g(o){
	return document.getElementById(o);
}
function init(){
	//setTimeout("getRSSInfo('1', 'userlist')",100);
	//setTimeout("getRSSInfo('3', 'grouplist')",200);
}
function overChnl(i,n){
	for(var m=0; m<n; m++){
		if(m==i){
			g('chnlTag'+m).className = 'sitelabel_';
			g('chnl'+m).style.display = 'block';
		}else{
			g('chnlTag'+m).className = 'sitelabel';
			g('chnl'+m).style.display = 'none';
		}
	}
}
var haveCact = false;
function clickTab(i,act,cact){
	var n = 5;
	var form = g('searchForm');
	var curTime = false;
	for(var m=1; m<=n; m++){
		if(m==i){
			g('tab'+m).className = 'tab'+m+' selected';
			form.action = act;
			if(cact!=''){
				if(!haveCact){
					form.innerHTML += "<input id='cact' type='hidden' name='cact' value='"+cact+"' >";
					haveCact = true;
				}else{
					g('cact').value = cact;
				}
			}else{
				if(haveCact)
					form.removeChild(g('cact'));
			}
		}else{
			g('tab'+m).className = 'tab'+m;
		}
	}
}
function checkKey(){
	if(g('searchForm').keyword.value=='')
		return false;
	else
		return true;
}
function clock(){
	var _time = new Date();     //实例化一个Date类型的对象
	var _hour="", _minute="", _second="";  //变量定义
	_hour = _time.getHours() + 100 + "";  //小时+100，为得到两位数字
	_minute = _time.getMinutes() + 100 + ""; //分钟
	_second = _time.getSeconds() + 100 + ""; //秒
	dgtlClock.innerHTML = '<font color=#ffffff>' + 
	_hour.substr(1) + ':' + _minute.substr(1) + ':' + 
	_second.substr(1) + '</font>';    //指定div元素的innerHTML
}
// 显示中文星期
function showweek(){
	now = new Date();//定义新对象，new具有Date的性质
	if (now.getDay() == 1) return ("星期一");
	if (now.getDay() == 2) return ("星期二");
	if (now.getDay() == 3) return ("星期三");
	if (now.getDay() == 4) return ("星期四");
	if (now.getDay() == 5) return ("星期五");
	if (now.getDay() == 6) return ("星期六");
	if (now.getDay() == 0) return ("星期日");
}

//显示系统日期
function showdate(){
	var now = new Date();
	var year = now.getYear();
	var month = now.getMonth()+1;
	var day = now.getDate();
	return year+"年"+month+"月"+day+"日";
}
//获取焦点
function getFocus(obj){
	document.getElementById(obj).focus();
}
function getFrameFocus(obj){
	window.frames['commentFrame'].document.getElementById(obj).focus();
}
//改变字体大小
function changeSize(div,size,i){
	var n=3;
	for(var m=1; m<=n; m++){
		if(i==m){
			document.getElementById("size"+m).className = "selected";
		}else{
			document.getElementById("size"+m).className = "";
		}
	}
	document.getElementById(div).style.fontSize = size+"px";
}
//控制字数
function textLength(id,num){
	var obj = document.getElementById(id);
	if(obj.value.length>num)
		obj.value=obj.value.substr(0,num);
}
//检查评论内容
function checkText(id){
	var obj = document.getElementById(id);
	if(obj.value==''){
		alert('请输入评论内容！');
		return false;
	}
	return true;
}
//未登录提醒
function loginWarn(base){
	if(confirm('登录后方可下载，现在去登录吗？')){
		location.href = base + "/login/Teachcms.dso";
	}
}
var isOpen = -1;
function changeMenu(i){
	if(i==isOpen){
		$("#list_"+i).slideToggle("normal");
		isOpen = -1;
	}else{
		$("#list_"+isOpen).slideToggle("normal");
		$("#list_"+i).slideToggle("normal");
		isOpen = i;
	}
}
function addSort(str1,str2){
	var obj = document.getElementById(str1);
	obj.value = str2;
	document.getElementById("searchForm").submit();
}
function changeLabel(obj,num,all){
	for(i=1; i<=all; i++){
		if(i==num){
			g(obj+"Div"+i).style.display = "";
			g(obj+"Label"+i).className = "selected";
			if(g(obj+"More")!=null){
				var sort = "?sortCode=6";
				var url = g(obj+"More").href;
				if(num==1){
					if(url.indexOf(sort)!=-1)
						g(obj+"More").href = url.substring(0, url.indexOf(sort));
				}else if(num==2){
					if(url.indexOf(sort)==-1)
						g(obj+"More").href = url + sort;
				}
			}
		}else{
			g(obj+"Div"+i).style.display = "none";
			g(obj+"Label"+i).className = "";
		}
	}
}
function changeTop(num,all){
	for(i=1; i<=all; i++){
		if(i==num){
			g("top"+i).style.display = "";
			g("label"+i).className = "selected";
		}else{
			g("top"+i).style.display = "none";
			g("label"+i).className = "";
		}
	}
}