function $(_sId){return document.getElementById(_sId)}

//验证是否为空 公共
function validNull(theId,errorText)
{
    if($(theId).value == "")
     {
         $(errorText).style.display = '';
     }
     else
     {
        $(errorText).style.display = 'none';
     }
}
//验证码
function validCodeNull(theId,errorText)
{
    if($(theId).value == "")
     {
         $(errorText).style.display = '';
     }
     else
     {
        $(errorText).style.display = 'none';
     }
}

//用户名验证
function validUsernameNull(theId,errorText)
{
    if($(theId).value == "")
     {
         //window.alert(msg);
         $(errorText).style.display = '';
         //document.getElementById(theId).focus();
     }
     else
     {
        $(errorText).style.display = 'none';
     }
    return true;
}

//密码验证
function validPasswordNull(theId,errorText)
{
    if($(theId).value == "")
     {
         $(errorText).style.display = '';
     }
     else
     {
        $(errorText).style.display = 'none';
     }
    return true;
}
//某控件不能为某值
function validCant(theId,theValue)
{
    if(document.getElementById(theId).value == theValue)
     {
        $('errorpasswordagain').style.display = 'none';
        // document.getElementById(theId).focus();
        
     }
     else
     {
        $('errorpasswordagain').style.display = 'block';
        return false;
     }
    return true;
}
//Email格式验证
function validEmail(theId,errorText)
{
     var email = /^[_a-zA-Z0-9+.]+@([_a-zA-Z0-9]+.)+[a-zA-Z0-9]{2,3}$/;
    if(email.test(document.getElementById(theId).value))
     {
        $(errorText).style.display = 'none';
     }
    else
     {
        $(errorText).style.display = '';
         //window.alert(msg);
         //document.getElementById(theId).focus();
     }
}
//密码验证,不能包含特殊字符<>"'和空格
function validPassword(theId,msg)
{
     var reg = /^[^<>'" ]*$/;
    if(reg.test(document.getElementById(theId).value))
     {
        return true;
     }
    else
     {
         window.alert(msg);
         document.getElementById(theId).focus();
        return false;
     }
}
//整数验证
function validInt(theId)
{
     var myInt = /^d*$/;
    if(myInt.test(document.getElementById(theId).value))
     {
        return true;
     }
    else
     {
         window.alert(msg);
         document.getElementById(theId).focus();
        return false;
     }
}
//两值比较
function validCompare(theId1,theId2,msg)
{
    if(document.getElementById(theId1).value == document.getElementById(theId2).value)
     {
        return true;
     }
    else
     {
         window.alert(msg);
         document.getElementById(theId1).focus();
        return false;
     }
}
//字段长度验证(x位至y位)
function validLength(theId,x,y,msg)
{
    if(document.getElementById(theId).value.length < x || document.getElementById(theId).value.length > y)
     {
         window.alert(msg);
         document.getElementById(theId).focus();
        return false;
     }
    return true;
}



function Newstime()
{
    
    var myDate = new Date();
    var yy=null;
    var tt=null;
    myDate.getDay();
    if(myDate.getHours()<12)
        yy="上午";
    else
        yy="下午";
    if(myDate.getDay()==0)
        tt="星期天";
    if(myDate.getDay()==1)
        tt="星期一";
    if(myDate.getDay()==2)
        tt="星期二";
    if(myDate.getDay()==3)
        tt="星期三";
    if(myDate.getDay()==4)
        tt="星期四";
    if(myDate.getDay()==5)
        tt="星期五";
    if(myDate.getDay()==6)
        tt="星期六";
    var pp=myDate.getMonth();
    var uu=pp+1;
    document.getElementById("test").innerHTML=myDate.getFullYear()+"年-"+uu+"月-"+myDate.getDate()+"日"+"   "+tt+" "+yy+myDate.getHours()+":"+myDate.getMinutes()+":"+myDate.getSeconds();
    setTimeout(Newstime2,1000)
}
function Newstime2()
{
    var myDate = new Date();
    var yy=null;
    var tt=null;
    myDate.getDay();
    if(myDate.getHours()<12)
        yy="上午";
    else
        yy="下午";
    if(myDate.getDay()==0)
        tt="星期天";
    if(myDate.getDay()==1)
        tt="星期一";
    if(myDate.getDay()==2)
        tt="星期二";
    if(myDate.getDay()==3)
        tt="星期三";
    if(myDate.getDay()==4)
        tt="星期四";
    if(myDate.getDay()==5)
        tt="星期五";
    if(myDate.getDay()==6)
        tt="星期六";
    var pp=myDate.getMonth();
    var uu=pp+1;
    document.getElementById("test").innerHTML=myDate.getFullYear()+"年-"+uu+"月-"+myDate.getDate()+"日"+"   "+tt+" "+yy+myDate.getHours()+":"+myDate.getMinutes()+" "+myDate.getSeconds();
    setTimeout(Newstime,1000)
}

function selt(n)
{    
    if(n==1)
	{	    
	    document.getElementById("show1").style.display='block';
	    document.getElementById("show2").style.display='none';
	    document.getElementById("show3").style.display='none';
	}
	else if(n==2)
	{	    
	    document.getElementById("show1").style.display='none';
	    document.getElementById("show2").style.display='block';
	    document.getElementById("show3").style.display='none';
	}
	else
	{
	    document.getElementById("show1").style.display='none';
	    document.getElementById("show2").style.display='none';
	    document.getElementById("show3").style.display='block';
	}
    for(i=1;i<4;i++)
		eval("div"+i+".style.display='none'");
	eval("div"+n+".style.display='block'");	
}
function sel(n)
{
    for(i=1;i<13;i++)
		eval("div_"+i+".style.display='none'");
	eval("div_"+n+".style.display='block'");	
}