/*************************************************
validator v1.05
code by 我佛山人
wfsr@msn.com
*************************************************/
validator = 
{
	require : /.+/,
	email : /^\w+([-+.]\w+)*@\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})?$/,
	mobile : /^((\(\d{2,3}\))|(\d{3}\-))?1(3|5|7|8)\d{9}$/,												//gavin修改，增加15、18开头的手机验证
	url : /^http:\/\/[a-za-z0-9]+\.[a-za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/,
	idcard : "this.isidcard(value)",
	currency : /^\d+(\.\d+)?$/,
	number : /^\d+$/,
	zip : /^\d{6}$/,																					//gavin修改，邮编首位可以为0				
	qq : /^[1-9]\d{4,11}$/,																				//gavin修改，qq位数扩展到11位
	integer : /^[-\+]?\d+$/,
	double : /^[-\+]?\d+(\.\d+)?$/,
	english : /^[a-za-z]+$/,
	chinese : /^[\u0391-\uffe5]+$/,
	username : /^[a-z]\w{3,}$/i,
	unsafe : /^(([a-z]*|[a-z]*|\d*|[-_\~!@#\$%\^&\*\.\(\)\[\]\{\}<>\?\\\/\'\"]*)|.{0,5})$|\s/,
	issafe : function(str){return !this.unsafe.test(str);},
	safestring : "this.issafe(value)",
	filter : "this.dofilter(value, getattribute('accept'))",
	limit : "this.limit(value.length,getattribute('min'), getattribute('max'))",
	limitb : "this.limit(this.lenb(value), getattribute('min'), getattribute('max'))",
	date : "this.isdate(value, getattribute('min'), getattribute('format'))",
	repeat : "value == document.getelementsbyname(getattribute('to'))[0].value",
	range : "getattribute('min') < (value|0) && (value|0) < getattribute('max')",
	compare : "this.compare(value,getattribute('operator'),getattribute('to'))",
	custom : "this.exec(value, getattribute('regexp'))",
	group : "this.mustchecked(getattribute('name'), getattribute('min'), getattribute('max'))",
	erroritem : [document.forms[0]],
	errormessage : ["以下原因导致提交失败：\t\t\t\t"],
	validate : function(theform, mode)
	{
		var obj = theform || event.srcelement;
		var count = obj.elements.length;
		this.errormessage.length = 1;
		this.erroritem.length = 1;
		this.erroritem[0] = obj;
		for (var i = 0; i < count; i++)
		{
			with(obj.elements[i])
			{
				var _datatype = getattribute("datatype");
				//-------------gavin修改，增加新属性allowhtml，msghtml,设置是否允许提交html代码
				this.clearstate(obj.elements[i]);
				if(_datatype == null)
				{
					if(getattribute("allowhtml") == "1" && (new regexp(/^(((\n)|(.))*)<(((\n)|(.))*)>(((\n)|(.))*)$/)).test(value))
					{
						this.adderror(i, getattribute("msghtml"));
					}
				}
				//-------------gavin修改结束
				if(typeof(_datatype) == "object" || typeof(this[_datatype]) == "undefined") continue;
				//this.clearstate(obj.elements[i]);
				if(getattribute("require") == "false" && value == "") continue;

				switch(_datatype)
				{
					case "idcard" :
					case "date" :
					case "repeat" :
					case "range" :
					case "compare" :
					case "custom" :
					case "group" :
					case "limit" :
					case "limitb" :
					case "safestring" :
					case "filter" :
						if (!eval(this[_datatype])) 
						{
							this.adderror(i, getattribute("msg"));
						}
						break;

					default :
						if (!this[_datatype].test(value)) 
						{
							this.adderror(i, getattribute("msg"));
						}
						else														//gavin修改，增加新属性allowhtml，msghtml,设置是否允许提交html代码
						{
							if (getattribute("allowhtml") == "1" && (new regexp(/^(((\n)|(.))*)<(((\n)|(.))*)>(((\n)|(.))*)$/)).test(value))
							{
								this.adderror(i, getattribute("msghtml"));
							}
						}
						break;
				}

			}
		}
		if (this.errormessage.length > 1)
		{
			mode = mode || 1;
			var errcount = this.erroritem.length;
			switch (mode)
			{
				case 2 :
					for (var i = 1; i < errcount; i++)
					{
						this.erroritem[i].style.color = "red";
					}
				case 1 :
					alert(this.errormessage.join("\n"));
					this.erroritem[1].focus();
					break;
				case 3 :
					for (var i = 1; i < errcount; i++)
					{
						try
						{
							var span = document.createelement("span");
							span.id = "__errormessagepanel";
							span.style.color = "red";
							this.erroritem[i].parentnode.appendchild(span);
							span.innerhtml = this.errormessage[i].replace(/\d+:/,"*");
						}
						catch(e)
						{
							alert(e.description);
						}
					}
					this.erroritem[1].focus();
					break;
				default :
					alert(this.errormessage.join("\n"));
					break;
			}
			return false;
		}
		return true;
	},
	limit : function(len, min, max)
	{
		min = min || 0;
		max = max || number.max_value;
		if (max == 0)								//gavin修改，最大值为0时不限制最大值
		{
			return min <= len;
		}
		else
		{
			return min <= len && len <= max;
		}
	},
	lenb : function(str)
	{
		return str.replace(/[^\x00-\xff]/g,"**").length;
	},
	clearstate : function(elem)
	{
		with (elem)
		{
			if (style.color == "red")
			{
				style.color = "";
			}
			var lastnode = parentnode.childnodes[parentnode.childnodes.length-1];
			if (lastnode.id == "__errormessagepanel")
			{
				parentnode.removechild(lastnode);
			}
		}
	},
	adderror : function(index, str)
	{
		this.erroritem[this.erroritem.length] = this.erroritem[0].elements[index];
		this.errormessage[this.errormessage.length] = this.errormessage.length + ":" + str;
	},
	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); 
		}
	},
	mustchecked : function(name, min, max)
	{
		var groups = document.getelementsbyname(name);
		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)$".replace(/ext/g, filter.split(/\s*,\s*/).join("|")), "gi").test(input);
	},
	isidcard : function(number)
	{
		var date, ai;
		var verify = "10x98765432";
		var wi = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
		var area = ['','','','','','','','','','','','北京','天津','河北','山西','内蒙古','','','','','','辽宁','吉林','黑龙江','','','','','','','','上海','江苏','浙江','安微','福建','江西','山东','','','','河南','湖北','湖南','广东','广西','海南','','','','重庆','四川','贵州','云南','西藏','','','','','','','陕西','甘肃','青海','宁夏','新疆','','','','','','台湾','','','','','','','','','','香港','澳门','','','','','','','','','国外'];
		var re = number.match(/^(\d{2})\d{4}(((\d{2})(\d{2})(\d{2})(\d{3}))|((\d{4})(\d{2})(\d{2})(\d{3}[x\d])))$/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);
	},
	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;
		}
	}
}