/*********************************************
验证组件说明    --版本0.9.12.1123.alpha

将验证组件包含于网页内，例：<script src="images/valide.js"></script>
加载完成后，组件将自动寻找网页内的验证控件。
初始选框说明：表单控件中加入initvalue属性，并在属性中加入初始值，多选框的值可由","符号分割开，checkbox和radio类型的可放置此属性于任意一个控件中。
可以在页面加载完时自动选择需要的选项。
验证控件说明：任何input类型的控件，只需在控件中增加验证属性即可由本组件进行即时输入验证。
属性说明：
    datatype --主要验证属性，说明验证类型及其是否必填。例：datatype="email,1" email表示验证email形式的内容，1表示必填，之间用‘,’分隔，后一项如没有即默认为必填。
    err      --错误后显示提示文字。
    msg      --输入时提示文字。
提示信息格式和样式：
    .inputmsg{ line-height:25px; background-color:#ccffcc;padding:2px 10px 2px 10px; border:solid 1px #66cc66;}
    .inputerr{ line-height:25px; background-color:#ffcccc;padding:2px 10px 2px 10px; border:solid 1px #cc6666;}
    .inputok{ width:21px; height:21px; background-image:url(right.gif);}
    inputmsg为提示样式，inputerr为错误样式，inputok为正确样式。
    样式放置于样式表或页面样式中，根据需要进行修改。
验证类型：
    empty     --验证空值
    email       --验证email地址
    domain      --验证域名
    phone       --验证电话号码
    mobile      --验证手机号码
    url         --验证网址
    idcard      --验证身份证号码
    currency    --验证货币
    number      --验证正整数
    zip         --验证邮编
    qq          --验证qq号码
    integer     --验证整数
    double      --验证浮点数
    english     --验证英文字符（大小写）
    chinese     --验证中文字符
    filename    --验证文件名
    username    --验证首字母为小写英文，4个字符以上的用户名类型
    datetime    --验证日期+时间格式
    safestring  --验证安全密码字符串
    limit{min,max}       --限制字符串长度,min最小，max最大
    limitb{min,max}     --限制字符串字节大小,min最小，max最大
    date{min,format}    --验证日期格式，min最小日期，format日期格式
    repeat{to}  --验证重复输入值，to重复控件
    range{min,max}  --验证中间值，min最小，max最大
    compare{operator,to}    --对比验证控件值，operator{notequal:!=,greaterthan:>,greaterthanequal:>=,lessthan:<,lessthanequal:<=}，to对比控件
    datecompare{operator,to}	--对比验证控件日期值，operator{notequal:!=,greaterthan:>,greaterthanequal:>=,lessthan:<,lessthanequal:<=}，to对比日期控件
    custom{regexp}  --自定义验证公式，regexp验证正则
    checkuser   --验证用户名是否可用，url为验证地址。
    group       --组控件验证
*/
validator = 
{
	empty : /.+/,
	email : /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/,
	domain : /^\w+([-.]\w+)*\.\w+([-.]\w+)*$/,
	phone : /^((\(\d{2,3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}(\-\d{1,4})?$/,
	phones : /^(((\(\d{2,3}\))|(\d{3}\-))?13\d{9}$)|(((\(\d{2,3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}(\-\d{1,4})?$)/,
	mobile : /^((\(\d{2,3}\))|(\d{3}\-))?13\d{9}$/,
	url : /^http:\/\/[a-za-z0-9]+\.[a-za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/,
	idcard : "this.isidcard(value)",
	currency : /^\d+(\.\d+)?$/,
	number : /^\d+$/,
	zip : /^[1-9]\d{5}$/,
	qq : /^[1-9]\d{4,9}$/,
	integer : /^[-\+]?\d+$/,
	double : /^[-\+]?\d+(\.\d+)?$/,
	english : /^[a-za-z]+$/,
	chinese :  /^[\u0391-\uffe5]+$/,
	filename: /^[\w\d]+$/,
	username : /^[a-za-z]\w{3,}$/i,
	unsafe : /^(([a-z]*|[a-z]*|\d*|[-_\~!@#\$%\^&\*\.\(\)\[\]\{\}<>\?\\\/\'\"]*)|.{0,5})$|\s/,
	datetime :/^((((1[6-9]|[2-9]\d)\d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]\d|3[01]))|(((1[6-9]|[2-9]\d)\d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]\d|30))|(((1[6-9]|[2-9]\d)\d{2})-0?2-(0?[1-9]|1\d|2[0-8]))|(((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-)) (20|21|22|23|[0-1]?\d):[0-5]?\d:[0-5]?\d$/,
	checkuser: "this.docheckuser(value,getattribute('url'))",
	issafe : function(str){return !this.unsafe.test(str);},
	safestring : "this.issafe(value)",
	filter : "this.dofilter(value, getattribute('accept'))",
	limit : "this.limit(value.length,getattribute('min'), getattribute('max'))",
	limitb : "this.limit(this.lenb(value), getattribute('min'), getattribute('max'))",
	date : "this.isdate(value, getattribute('min'), getattribute('format'))",
	repeat : "value == document.getelementsbyname(getattribute('to'))[0].value",
	range : "getattribute('min') < (value|0) && (value|0) < getattribute('max')",
	compare : "this.compare(value,getattribute('operator'),getattribute('to'))",
	datecompare : "this.datecompare(value,getattribute('operator'),document.getelementsbyname(getattribute('to'))[0].value)",
	custom : "this.exec(value, getattribute('regexp'))",
	group : "this.mustchecked(getattribute('name'))",
	erroritem : [document.forms[0]],
	errormessage : [""],
	
	validate:function(obj,mode)
	{
	    var _datatype,_nonull,_errmsg;
		if(obj.getattribute("type")=="checkbox"){
		    _datatype=document.getelementsbyname(obj.getattribute("name"))[0].getattribute("datatype");
		    _errmsg=document.getelementsbyname(obj.getattribute("name"))[0].getattribute("err");
		}
		else
		{
		    _datatype=obj.getattribute("datatype");
		    _errmsg=obj.getattribute("err");
		}
		if(_datatype==null)
		    return;
		_nonull=true;
		if(_datatype.indexof(",")>=0){
		    _nonull=(_datatype.substring(_datatype.indexof(",")+1)!="0");
		    _datatype=_datatype.substring(0,_datatype.indexof(","));
		}
		var _isvalid=true;
		this.clearstate(obj);
		with(obj)
		{
		    if(value=="" || !value){
		        if(_nonull){
				    this.errormessage="此为必填项";
				    _isvalid=false;
				}
			}
			else
			{
				switch (_datatype)
				{
					case "idcard" :
					case "date" :
					case "repeat" :
					case "range" :
					case "datecompare" :
					case "compare" :
					case "custom" :
					case "group" : 
					case "limit" :
					case "limitb" :
					case "safestring" :
					case "filter" :
					case "checkuser" :
					if(!eval(this[_datatype]))
					{
						this.adderror(_errmsg);
						_isvalid=false;
					}
					break;
					default:
					if(!this[_datatype].test(value))
					{			
						this.adderror(_errmsg);
						_isvalid=false;
					}
					break;
				}
			}
		}
		try
		{
			var div = document.createelement("label");
			div.classname=(_isvalid)?"inputok":"inputerr";
			if((obj.parentnode.offsetwidth-obj.offsetwidth)>25 || !_isvalid)
			    obj.parentnode.insertbefore(div,obj.nextsibling);
			if(!_isvalid)
			    div.innerhtml=this.errormessage;
		}
		catch(e)
		{
			alert(e.description);
		}
		return _isvalid;
 	},
	exec : function(op, reg){
		return new regexp(reg,"g").test(op);
	},
	compare : function(op1,operator,op2){
		switch (operator) {
			case "notequal":
				return (op1 != op2);
			case "greaterthan":
				return (op1 > op2);
			case "greaterthanequal":
				return (op1 >= op2);
			case "lessthan":
				return (op1 < op2);
			case "lessthanequal":
				return (op1 <= op2);
			default:
				return (op1 == op2);            
		}
	},
	datecompare : function(op1,operator,op2){
	    var dt1=op1.replace(/-/g, "/");
	    var dt2=op2.replace(/-/g, "/"); 
        dt1 = new date(dt1);
        dt2 = new date(dt2);
        var time=dt1.gettime() - dt2.gettime();
		switch (operator) {
			case "notequal":
				return (time != 0);
			case "greaterthan":
				return (time > 0);
			case "greaterthanequal":
				return (time >= 0);
			case "lessthan":
				return (time < 0);
			case "lessthanequal":
				return (time <= 0);
			default:
				return (time == 0);
		}
	},
	mustchecked : function(name)
	{
		var groups = document.getelementsbyname(name);
		var min, max;
		min=groups[0].min;
		max=groups[0].max;
		var haschecked = 0;
		min = min || 1;
		max = max || groups.length;
		for(var i=groups.length-1;i>=0;i--)
			if(groups[i].checked) haschecked++;
		return min <= haschecked && haschecked <= max;
	},
	dofilter : function(input, filter)
	{
		return new regexp("^.+\.(?=ext)(ext)$".replace(/ext/g, filter.split(/\s*,\s*/).join("|")), "gi").test(input);
	},
	showstate : function(obj)
	{
	    this.clearstate(obj);
		with(obj){
		    if(typeof(msg)!="undefined")
		    {
			    var div = document.createelement("label");
			    div.classname="inputmsg";
			    parentnode.insertbefore(div,obj.nextsibling);
			    div.innerhtml=msg;
		    }
		}
	},
	clearstate : function(obj)
	{
		with(obj){
			if(style.color == "red")
				style.color = "";
			var lastnode = nextsibling;
			try{
			if(lastnode.classname.substring(0,5) == "input")
				parentnode.removechild(lastnode);
			}
			catch(e){}
		}
	},
	adderror : function(str)
	{
		if(str!=""&&str!=null)
		{
			this.errormessage =  str;
		}
		else
		{
			this.errormessage ="";
		}
	},
	isidcard : function(number)
	{
		var date, ai;
		var verify = "10x98765432";
		var wi = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
		var area = ['','','','','','','','','','','','北京','天津','河北','山西','内蒙古','','','','','','辽宁','吉林','黑龙江','','','','','','','','上海','江苏','浙江','安微','福建','江西','山东','','','','河南','湖北','湖南','广东','广西','海南','','','','重庆','四川','贵州','云南','西藏','','','','','','','陕西','甘肃','青海','宁夏','新疆','','','','','','台湾','','','','','','','','','','香港','澳门','','','','','','','','','国外'];
		var re = number.match(/^(\d{2})\d{4}(((\d{2})(\d{2})(\d{2})(\d{3}))|((\d{4})(\d{2})(\d{2})(\d{3}[x\d])))$/i);
		if(re == null) return false;
		if(re[1] >= area.length || area[re[1]] == "") return false;
		if(re[2].length == 12){
			ai = number.substr(0, 17);
			date = [re[9], re[10], re[11]].join("-");
		}
		else{
			ai = number.substr(0, 6) + "19" + number.substr(6);
			date = ["19" + re[4], re[5], re[6]].join("-");
		}
		if(!this.isdate(date, "ymd")) return false;
		var sum = 0;
		for(var i = 0;i<=16;i++){
			sum += ai.charat(i) * wi[i];
		}
		ai +=  verify.charat(sum%11);
		return (number.length ==15 || number.length == 18 && number == ai);
	},
	limit : function(length,min,max)
	{
	    if(!min)
	        return length<max;
	    if(!max)
	        return length>=min;
	    return (length>=min && length<max);
	},
	initselect : function(obj)
	{
		with(obj){
		    if(typeof(getattribute("initvalue"))=="string")
		    {
		        var initvalue=getattribute("initvalue");
		        if(nodename=="select"){
		            initvalue=","+initvalue+",";
				    for(var i=0;i<options.length;i++){
					    if(initvalue.indexof(","+options[i].value+",") > -1 )
						    options[i].selected=true;
				    }
				}
				else if(nodename=="input"){
				    if(initvalue=="")
				        return;
				    switch(type){
				        case "radio":
				            var radio=form.elements[name];
				            for(var i=0;i<radio.length;i++)
				                radio[i].checked = (radio[i].value==initvalue);
				            break;
				        case "checkbox":
		                    initvalue=","+initvalue+",";
				            var cbox=form.elements[name];
				            for(var i=0;i<cbox.length;i++){
				                cbox[i].checked= (initvalue.indexof(","+cbox[i].value+",") > -1 );
				            }
				            break;
				        default:
				            value=initvalue;
				            break;
				    }
				}
		    }
		}
	},
	isdate : function(op, formatstring){
		formatstring = formatstring || "ymd";
		var m, year, month, day;
		switch(formatstring){
			case "ymd" :
				m = op.match(new regexp("^((\\d{4})|(\\d{2}))([-./])(\\d{1,2})\\4(\\d{1,2})$"));
				if(m == null ) return false;
				day = m[6];
				month = m[5]*1;
				year =  (m[2].length == 4) ? m[2] : getfullyear(parseint(m[3], 10));
				break;
			case "dmy" :
				m = op.match(new regexp("^(\\d{1,2})([-./])(\\d{1,2})\\2((\\d{4})|(\\d{2}))$"));
				if(m == null ) return false;
				day = m[1];
				month = m[3]*1;
				year = (m[5].length == 4) ? m[5] : getfullyear(parseint(m[6], 10));
				break;
			default :
				break;
		}
		if(!parseint(month)) return false;
		month = month==0 ?12:month;
		var date = new date(year, month-1, day);
        return (typeof(date) == "object" && year == date.getfullyear() && month == (date.getmonth()+1) && day == date.getdate());
		function getfullyear(y){return ((y<30 ? "20" : "19") + y)|0;}
	},
	docheckuser : function(str,url){
	    var httprequest = new this.httpobject(); // xmlhttprequest()对象实例化
        httprequest.open("get",url + encodeuri(str),false);
        httprequest.send();
        var content=httprequest.responsetext;
        httprequest=null;
        return (content=="true");
	},
	httpobject : function() {
    try { return new activexobject("msxml2.xmlhttp.6.0"); } catch(e){
    try { return new activexobject("msxml2.xmlhttp.3.0"); } catch(e){
    try { return new activexobject("msxml2.xmlhttp"); } catch(e){
    try { return new activexobject("microsoft.xmlhttp"); } catch(e){
    try { return new xmlhttprequest() } catch(e){
    throw new error( "this browser does not support xmlhttprequest." );
    }}}}}}
}

var o=window.onload;
if(typeof(o)=="function")
    o();
window.onload = function(){
    if(document.forms.length==0)
        return;
    for(var j=0;j<document.forms.length;j++){
        if(!document.forms[j]) return;
	    document.forms[j].othersubmit = document.forms[j].onsubmit;
        document.forms[j].onsubmit = function(){
            try{
                var inputok=true;
                for(var i=0;i<this.elements.length;i++){
                    if(this.elements[i].getattribute("datatype")){
	                    if(!validator.validate(this.elements[i]))
	                        inputok=false;
	                }
	            }
	        }
	        catch(e){alert(e.description);}
	        if(!inputok)
	            alert("请填入完整信息！");
	        else{
	            if(typeof(this.othersubmit)=="function")
	                this.othersubmit();
	        }
	        return inputok;
        }
        var y = document.forms[j].elements;
        for(var i=0;i<y.length;i++)
        {
			if(y[i].getattribute("initvalue")!=null)
				validator.initselect(y[i]);
	        if(y[i].getattribute("datatype") || y[i].type=="checkbox")
	        {
	            y[i].onfocus = function(){
	                validator.showstate(this);
	            };//调用方法getfocus
	            y[i].onblur  = function(){
	                validator.validate(this);
	            }
	        }
        }
	}
}