function $(o)
{
    return document.getElementById(o);
}
	
function openBg(state){ //遮照打开关闭控制（页面中加入<div id="bg"></div>）

if(state == 1)
{
   $("bg").style.display = "block";
   var h = document.body.offsetHeight > document.documentElement.offsetHeight ? document.body.offsetHeight : document.documentElement.offsetHeight;
//alert(document.body.offsetHeight);
//alert(document.documentElement.offsetHeight);
   $("bg").style.height = h + "px";
}
else
{
   $("bg").style.display = "none";   
 
} 
}


/* 鼠标拖动 */
var oDrag = "";
var ox,oy,nx,ny,dy,dx;
function drag(e,o)
{
    var e = e ? e : event;
    var mouseD = document.all ? 1 : 0;
    if(e.button == mouseD)
    {
       oDrag = o.parentNode;
       //alert(oDrag.id);
       ox = e.clientX;
       oy = e.clientY; 
    }
}
function dragPro(e)
{
    if(oDrag != "")
    { 
       var e = e ? e : event;
       //alert(oDrag.id);
       //$(oDrag).style.left = $(oDrag).offsetLeft + "px";
       //$(oDrag).style.top = $(oDrag).offsetTop + "px";
       dx = parseInt($(oDrag.id).style.left);
       dy = parseInt($(oDrag.id).style.top);
       //dx = $(oDrag).offsetLeft;
       //dy = $(oDrag).offsetTop;
       nx = e.clientX;
       ny = e.clientY;
       $(oDrag.id).style.left = (dx + ( nx - ox )) + "px";
       $(oDrag.id).style.top = (dy + ( ny - oy )) + "px";
       ox = nx;
       oy = ny;
    }
}
document.onmouseup = function(){oDrag = "";}
document.onmousemove = function(event){dragPro(event);}
	/* 鼠标拖动 */

	
	
//获取对象高度
function getAbsoluteHeight(ob){
         return ob.offsetHeight
}
//获取对象宽度
function getAbsoluteWidth(ob){         
         return ob.offsetWidth
}
//获取对象坐标X
function getAbsoluteLeft(ob){
         var mendingLeft = ob .offsetLeft;
         while( ob != null && ob.offsetParent != null && ob.offsetParent.tagName != "BODY" ){
             mendingLeft += ob .offsetParent.offsetLeft;
             ob = ob.offsetParent;
         }
         return mendingLeft ;
}
//获取对象坐标Y
function getAbsoluteTop(ob){
         var mendingTop = ob.offsetTop;
         while( ob != null && ob.offsetParent != null && ob.offsetParent.tagName != "BODY" ){
             mendingTop += ob .offsetParent.offsetTop;
             ob = ob .offsetParent;
         }
         return mendingTop ;
}
//得到鼠标坐标
function showuserinfo(event)
{
    if(!document.all){
        mouse_x=event.pageX;
        mouse_y=event.pageY;
  //firefox By Rlby 2007-12-28
    }else{
        mouse_x=document.documentElement.scrollLeft+event.clientX;
        mouse_y=document.documentElement.scrollTop+event.clientY;
  //alert(document.documentElement.scrollTop);滚动条滚过的高度，+ 显示页面的高度原因是声明后document.body.scrollTop的值永远等于0，解决办法是只需把document.body用document.documentElement替换即可。By Rlby
    }
}







//获取字符串的实际长度：


function getStrActualLen(sChars)
    {
    return sChars.replace(/[^\x00-\xff]/g,"xx").length;
     }

//----------------------推荐上面的方法---------------------------------

function getTrueLenth(str)
    {
    if(typeof str != 'string')
    {
        str = new String(str);
    }
    
       var TrueLength = 0;
    for ( var i=0;i<str.length;i++)
    {
        if (str.charCodeAt(i) > 127 || str.charCodeAt(i) == 94)
        {
            alert("1");
            TrueLength += 2;
        }
        else
        {
              alert("2");
            TrueLength += 1;
        }
    }
    
    return TrueLength;
    }


//其他一些方法，还没来得及整理



 
//页面里回车到下一控件的焦点

function Enter2Tab(e)
{
    try
    {
        var ob = IsFireFox ? e.target : event.srcElement;
        if(ob.tagName == "INPUT" &&
        (
        ob.type == "text"     ||
        ob.type == "password" ||
        ob.type == "checkbox" ||
        ob.type == "radio"
        )   ||
        ob.tagName == "SELECT")
        {
            var key = IsFireFox ? e.which : event.keyCode;
            if (key == 13)
            {
                if (IsFireFox)
                {
                    event.which = 9;
                }
                else
                {
                    event.keyCode = 9;
                }
            }
        }
    }
    catch(E){}
}
//打开此功能请取消下行注释
//document.onkeydown = Enter2Tab;

//ajax对象创建
function AjaxLib()
{
    try
    {
        if (typeof ActiveXObject != "undefined")
        {
            return new ActiveXObject("Microsoft.XMLHTTP");
        }
        else if (window.XMLHttpRequest)
        {
            return new XMLHttpRequest();
        }
    }
    catch(a){}
    return null;
}
//判断用户名是否符合标准

function UserNameIsOk(ssn)
{
    var re = /^[0-9a-z][\w-.]*[0-9a-z]$/i;
    return re.test(ssn) ? true : false;
}
function SelectAll()
//_______全选择__________
{
    var empty;
    var f = document.forms[0];
    for (var i = 0; i < f.length; i++)
    {
        empty = f;
        if (empty.type == "checkbox" && empty.disabled == false)
            empty.checked = true;
    }
}
function SelectReverse()
//__________返选择_________
{
    var empty;
    var f = document.forms[0];
    for (var i = 0; i < f.length; i++)
    {
        empty = f;
        if (empty.type == "checkbox" && empty.disabled == false)
        if(empty.checked == true)
        {
           empty.checked = false;
        }
        else
        {
           empty.checked = true;
        }
    }
}
//提交查询内容 submit search find content
function GoPage(pn)
{
    try
    {
        document.forms[0].page.value = pn;
        document.forms[0].submit();
    }
    catch(E)
    {
        document.forms[1].page.value = pn;
        document.forms[1].submit();
    }
}

//--------------------------------------------------------------------------------
function WoodsAlert(ob, tip)
{
    alert(tip);
    //ob.value = "";
    ob.focus();
}
//__________处理特殊字符________________
function invalid_keyword()
{
    var keyword = new Array("<", ">", "\%", "\'", "\"");
    var f, ob;
    for (var form = 0; form < document.forms.length; form++)
    {
        f = document.forms[form];
        for (var i = 0; i < f.length; i++)
        {
            ob = f;
            if (ob.type == "text" && ob.disabled == false)
            {
               for (j = 0; j < keyword.length; j++)
               {
                    if (ob.value.indexOf(keyword[j]) != -1)
                    {
                        alert("在输入框聚焦处发现非法字符[" + keyword[j] + "]。");
                        //ob.value = "";
                        ob.focus();
                        return false;
                    }
               }
               ob.value = Trim(ob.value);
            }
        }
    }
    return true;
}
function IsTime(str)
//__________判断是否为时间字符串________________________
{
    var a = str.match(/^(\d{1,2})(:)?(\d{1,2})\2(\d{1,2})$/);
    if (a == null) {alert('输入的参数不是时间格式'); return false;}
    if (a[1]>24 || a[3]>60 || a[4]>60)
    {
      return false
    }
    return true;
}

function IsDate(str)
//_________是否为日期（YYYY-MM-DD）类型字符串_________________________
{
    var r = str.match(/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})$/);
    if (r == null) return false;
    var d = new Date(r[1], r[3]-1, r[4]);
    return (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]);
}
function IsBigCurrentDate(str)
//_________________判断用户给出的日期是否大于当前日期______________________________
{
    var today = new Date();
    var tY = String(today.getFullYear());
    var tM = String(today.getMonth() + 1);
    (tM.length <= 1) ? tM = "0" + tM : tM = tM;

    var tD = String(today.getDate());
    (tD.length <= 1) ? tD = "0" + tD : tD = tD;

    var tH = String(today.getHours());
    (tH.length <= 1) ? tH = "0" + tH : tH = tH;

    var tM1 = String(today.getMinutes());
    (tM1.length <= 1) ? tM1 = "0" + tM1 : tM1 = tM1;

    var tdate = tY + "-" + tM + "-" + tD + " " + tH + ":" + tM1 + ":59";//zhuweisong 添加秒的叛断
    if (str > tdate)
    {
        return true;
    }
    else
    {
        return false;
    }
}

function IsDateTime(str)
//____________是否为时间日期类型__________________________________
{
    var reg = /^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/;
    var r = str.match(reg);
    if (r == null) return false;
    var d= new Date(r[1], r[3]-1,r[4],r[5],r[6],r[7]);
    return (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]&&d.getHours()==r[5]&&d.getMinutes()==r[6]&&d.getSeconds()==r[7]);
}
function IsEmail(mail)
//_____________判断是否是有效的EMAIL地址________________________________
{
    return(new RegExp(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/).test(mail));
}

function IsIp(s)
//________________判断是否为有效IP地址_________________________________
{
    var check = function(v)
    {
        try
        {
            return (v <= 255 && v >= 0);
        }
        catch(x)
        {
            return false;
        }
    }
    var re = s.split(".")
    return (re.length==4)?(check(re[0]) && check(re[1]) && check(re[2]) && check(re[3])):false
}

//_________判断输入的是否为汉字___________begin__________
function isCharsInBag (s, bag)
{
    var i,c;
    for (i = 0; i < s.length; i++)
    {
        c = s.charAt(i);//字符串s中的字符
        if (bag.indexOf(c) > -1)
        return c;
    }
    return "";
}

function IsCn(s)
{
    var errorChar;
    var badChar = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789><,[]{}?/+=|\'\":;~!#$%()`";
    errorChar = isCharsInBag(s, badChar)
    if (errorChar != "" )
    {
        return false;
    }
    return true;
}
//_________判断输入的是否为汉字___________end__________

//________函数功能:判断输入的字符串是不是英文__________begin___________
function isCharsInBagEn (s, bag)
{
    var i,c;
    for (i = 0; i < s.length; i++)
    {
        c = s.charAt(i);//字符串s中的字符
        if (bag.indexOf(c) <0)
        return c;
    }
    return "";
}

function IsEn(s)
{
    var errorChar;
    var badChar = " ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
    errorChar = isCharsInBagEn(s, badChar)
    return (errorChar != "" ) ? false : true;
}
//________函数功能:判断输入的字符串是不是英文__________end___________
/***判断电话号码 num位数****/
function isMobil(str,num) 
{ 
    var number_chars = "1234567890";

    if(str.length==num)
    {    
        for (var i = 0; i < str.length; i++)
        {
            if (number_chars.indexOf(str.charAt(i))==-1) return false;
        }
    }
    else
    {
        return false;
    }
    return true;
}

//校验网址url
function isHttp(s) 
{ var patrn=/^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/;
  return (patrn.test(s)) ? true : false;
} 


/********************
函数名称：IsTelephone
函数功能：固话，手机号码检查函数，合法返回true,反之,返回false
函数参数：obj,待检查的号码
检查规则：
　　(1)电话号码由数字、"("、")"和"-"构成
　　(2)电话号码为3到8位

　　(3)如果电话号码中包含有区号，那么区号为三位或四位

　　(4)区号用"("、")"或"-"和其他部分隔开
　　(5)移动电话号码为11或12位，如果为12位,那么第一位为0
　　(6)11位移动电话号码的第一位和第二位为"13"
　　(7)12位移动电话号码的第二位和第三位为"13"
********************/
function IsTelephone(obj)
{
    var pattern=/(^([0\+]\d{2,3})\d{3,4}\-\d{3,8}$)|(^([0\+]\d{2,3})\d{3,4}\d{3,8}$)|(^([0\+]\d{2,3}){0,1}13\d{9}$)|(^\d{3,4}\d{3,8}$)|(^\d{3,4}\-\d{3,8}$)/;
    return (pattern.test(obj)) ? true : false;
}

/********************
函数名称：IsLegality
函数功能：检查字符串的合法性，即是否包含" '字符，包含则返回false;反之返回true
函数参数：obj,需要检测的字符串

********************/
function IsLegality(obj)
{
    var intCount1 = obj.indexOf("\"",0);
    var intCount2 = obj.indexOf("\'",0);
    return (intCount1 > 0 || intCount2 > 0) ? false : true;
}
/********************
函数名称：IsNumber
函数功能：检测字符串是否全为数字
函数参数：str,需要检测的字符串

********************/
function IsNumber(str)
{
    var number_chars = "1234567890";
    var i;
    for (i = 0; i < str.length; i++)
    {
        if (number_chars.indexOf(str.charAt(i))==-1) return false;
    }
    return true;
}

/********************
函数名称：Trim
函数功能：去除字符串两边的空格

函数参数：str,需要处理的字符串

********************/
function Trim(str)
{
    return str.replace(/(^\s*)|(\s*$)/g, "");
}

/*-------------------------------------------------------------------------------------------------------*/

/********************
函数名称：LTrim
函数功能：去除左边的空格
函数参数：str,需要处理的字符串

********************/
function LTrim(str)
{
    return str.replace(/(^\s*)/g, "");
}

/*-------------------------------------------------------------------------------------------------------*/

/********************
函数名称：RTrim
函数功能：去除右边的空格
函数参数：str,需要处理的字符串

********************/
function RTrim(str)
{
    return this.replace(/(\s*$)/g, "");
}

/*-------------------------------------------------------------------------------------------------------*/

/********************
函数名称：IsNull
函数功能：判断给定字符串是否为空
函数参数：str,需要处理的字符串

********************/
function IsNull(str)
{
    return (Trim(str) == "") ? false : true;
}
/*-------------------------------------------------------------------------------------------------------*/
function EventFalse()
{
        window.event.returnValue = false;
}

//document.oncontextmenu = EventFalse;
//document.onselectstart = EventFalse;
//-->

/*-----------隐藏所有select-------------*/
function hiddenselect()
{
    var f = document.forms["form1"];
    if (f)
    {
    for (i=0;i<f.elements.length;i++)
   {
   if (f.elements[i].type=="select-one")
   {
   f.elements[i].style.display="none";
   }
   }
   }
}
function showselect()
{
    var f = document.forms["form1"];
    if (f)
    {
    for (i=0;i<f.elements.length;i++)
   {
   if (f.elements[i].type=="select-one")
   {
   f.elements[i].style.display="";
   }
   }
   }
}
/*-----------隐藏所有select-------------*/




/*-----------检测密码强度开始-------------
checkStrong(sPW)返回三种结果，0为不安全，1为普通，2为安全




*/
    function CharMode(iN)
    {
	    if (iN>=48 && iN <=57) //数字
	    return 1;
	    if (iN>=65 && iN <=90) //大写字母
	    return 2;
	    if (iN>=97 && iN <=122) //小写
	    return 4;
	    else
	    return 8; //特殊字符
    }

    //bitTotal函数
    //计算出当前密码当中一共有多少种模式


    function bitTotal(num)
    {
	    modes=0;
	    for (i=0;i<4;i++){
	    if (num & 1) modes++;
	    num>>>=1;
	    }
	    return modes;
    }

    //checkStrong函数
    //返回密码的强度级别



    function checkStrong(sPW){
	    if (sPW.length<=5)
	    return 0; //密码太短
	    Modes=0;
	    for (i=0;i<sPW.length;i++){
	    //测试每一个字符的类别并统计一共有多少种模式.
	    Modes|=CharMode(sPW.charCodeAt(i));
	    }
	    return bitTotal(Modes);
    }
    
/*-------------检测密码强度结束-------------*/

//邮件验证
function checkmail(id)
{
    var email=$(id).value
    var pattern=/^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
    flag=pattern.test(email);
    if (flag){
        return true;}
    else{         
        return false;}
}