//显示日期星期
function showDate()
{
	var tmpDate = new Date();
	var date = tmpDate.getDate();
	var month= tmpDate.getMonth() + 1 ;
	var year= tmpDate.getYear();
	var strDate = year + "年" + month + "月" + date + "日 ";

	var myArray=new Array(6);
	myArray[0]="星期日";
	myArray[1]="星期一";
	myArray[2]="星期二";
	myArray[3]="星期三";
	myArray[4]="星期四";
	myArray[5]="星期五";
	myArray[6]="星期六";
	var weekday=tmpDate.getDay();
	strDate = strDate + myArray[weekday];

	document.write(strDate);
}

//下拉链接
function gotolink(targ,selObj,restore) {
	eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
	if (restore) selObj.selectedIndex=0;
}

//获取对象
function $(objectId) {
    if(document.getElementById && document.getElementById(objectId)) {
	// W3C DOM
	return document.getElementById(objectId);
    } else if (document.all && document.all(objectId)) {
	// MSIE 4 DOM
	return document.all(objectId);
    } else if (document.layers && document.layers[objectId]) {
	// NN 4 DOM.. note: this won't find nested layers
	return document.layers[objectId];
    } else {
	return false;
    }
}

//去掉所有html标记的函数：
function delHtmlTag(str) {
	return str.replace(/<[^>]+>/g,"");
}

//加入收藏
function addBookmark(site, url){
	if(navigator.userAgent.toLowerCase().indexOf('ie') > -1) {
		window.external.addFavorite(url,site)
	} else if (navigator.userAgent.toLowerCase().indexOf('opera') > -1) {
		alert ("请使用Ctrl+T将本页加入收藏夹");
	} else {
		alert ("请使用Ctrl+D将本页加入收藏夹");
	}
}

//'CurrentPage=当前页,n=一次最多显示几个页码,MaxRows=每页记录数,CountNum=总记录数,PageSearch=链接参数
function PageList(CurrentPage,n,MaxRows,CountNum,PageSearch)
{
	if (PageSearch!=''){
		PageSearch+="&";
	}
	CountNum=parseInt(CountNum);
	CurrentPage=parseInt(CurrentPage);
	var Pagecount;
	if (CountNum%MaxRows==0){
		Pagecount = parseInt(CountNum / MaxRows);
	}else{
		Pagecount = parseInt(CountNum / MaxRows) + 1;
	}
	var Endpage;
	if (Pagecount>CurrentPage+n){
		Endpage = CurrentPage+n;
	}else{
		Endpage = Pagecount;
	}
	var ShowPage;
	ShowPage='[<a href=\"'+PageSearch+'topage=1\">首页</a>] ['
	if (CurrentPage-1>0){
		ShowPage=ShowPage+'<a href=\"'+PageSearch+'topage='+(CurrentPage-1)+'\">上一页</a>'
	}else{
		ShowPage=ShowPage+'上一页'
	}
	ShowPage=ShowPage+'] 第'+CurrentPage+'/'+Pagecount+'页 ['
	if (CurrentPage+1>Endpage){
		ShowPage=ShowPage+'下一页'
	}else{
		ShowPage=ShowPage+'<a href=\"'+PageSearch+'topage='+(CurrentPage+1)+'\">下一页</a>'
	}
	ShowPage=ShowPage+'] [<a href=\"'+PageSearch+'topage='+Endpage+'\">末页</a>]';
	document.write (ShowPage);
}

//按比例缩小图片
function initscanimg(parpic,maxwidth,maxheight){
	var scale=maxwidth/maxheight;
	var realscale=parpic.width/parpic.height;
	parpic.style.display="none";
	if((parpic.width>maxwidth)||(parpic.height>maxheight)){
		if(realscale>scale){
			parpic.width=maxwidth;
		}else{
			parpic.height=maxheight;
		}
	}
	parpic.style.display="";
}

//添加一个cookie
function addCookie(name,value,expireHours){
  var cookieStr=name+"="+escape(value);
  if(expireHours>0){   //为0时不设定过期时间，浏览器关闭时cookie自动消失
    var date=new Date();
    date.setTime(date.getTime()+expireHours*3600*1000);
    cookieStr=cookieStr+";expire="+date.toGMTString();
  }
  document.cookie=cookieStr;
}

//获取指定名称的cookie值
function getCookie(name){
  var strCookie=document.cookie;
  var arrCookie=strCookie.split("; ");
  for(var i=0;i<arrCookie.length;i++){
    var arr=arrCookie[i].split("=");
    if(arr[0]==name) return unescape(arr[1]);
  }
  return "";
}

//删除指定名称的cookie
function deleteCookie(name){
  var date=new Date();
  date.setTime(date.getTime()-10000);
  document.cookie=name+"=c;expire="+date.toGMTString();
}

//后台管理菜单栏收缩初始化
function InitMenuBar(){
	if (getCookie("menubar")=="closed"){
		switchPoint.innerText=">";
		$("menubar").style.display="none";
	}else{
		switchPoint.innerText="<";
		$("menubar").style.display="";
	}
}

//后台管理菜单栏收缩开关
function switchMenuBar(){
	if (switchPoint.innerText=="<"){
		switchPoint.innerText=">";
		$("menubar").style.display="none";
		addCookie("menubar","closed",0);
	}else{
		switchPoint.innerText="<";
		$("menubar").style.display="";
		addCookie("menubar","open",0);
	}
}

//后台子菜单收缩初始化
function InitMenu(n){
	if (getCookie("menu"+n) == "closed"){
		$("menucon"+n).style.display="none";
		$("menut"+n).className="menutitle2";
	}else{
		$("menucon"+n).style.display="";
		$("menut"+n).className="menutitle1";
	}
}

//后台子菜单收缩开关
function switchMenu(n){
	if ($("menucon"+n).style.display=="none"){
		$("menucon"+n).style.display="";
		$("menut"+n).className="menutitle1";
		addCookie("menu"+n,"open",0);
	}else{
		$("menucon"+n).style.display="none";
		$("menut"+n).className="menutitle2";
		addCookie("menu"+n,"closed",0);
	}
}