var http_request = false;
var i_Obj,i_Txt;
function InitAjax(){
	if(window.XMLHttpRequest){
		http_request = new XMLHttpRequest();
		if(http_request.overrideMimeType){
			http_request.overrideMimeType("text/xml");
		}
	}
	else if (window.ActiveXObject){ 
		try{
			http_request = new ActiveXObject("Msxml2.XMLHTTP");
		}catch(e){
			try{
				http_request = new ActiveXObject("Microsoft.XMLHTTP");
			}catch(e){}
		}
	}
	if(!http_request){
		window.alert("不能创建对象实例.");
		return false;
	}	
}
function send_Request(Obj,Url,Txt){
	InitAjax();
	i_Obj = Obj;
	i_Txt = Txt;
	http_request.onreadystatechange = sendResult;
	http_request.open("GET",Url,true);
	http_request.send(null);
}
function post_Request(Obj,Url,Txt,poststr){
	InitAjax();
	i_Obj = Obj;
	i_Txt = Txt;
	http_request.onreadystatechange = sendResult;
	http_request.open("POST",Url,true);
	http_request.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
	http_request.send(poststr);	
}
function sendResult(){
	$(i_Obj).innerHTML = i_Txt;
	if(http_request.readyState == 4){
		if(http_request.status == 200){
			$(i_Obj).innerHTML = http_request.responseText;
		}else{
			window.alert("你所请求的页面有异常.");
		}
	}
}
function $(){ 
	var elements = new Array(); 
	for (var i = 0; i < arguments.length; i++){ 
		var element = arguments[i]; 
		if (typeof element == 'string'){
			element = document.getElementById(element); 
		}
		if (arguments.length == 1) {
			return element; 
		}
		elements.push(element); 
	} 
	return elements; 
}
function ScreenConvert(){
	var allselect = document.getElementsByTagName("select");
		for (var i = 0; i < allselect.length; i++){
			allselect[i].style.visibility = "hidden";
		}
	var objScreen = $("screenover");
		if(!objScreen){	
			var objScreen = document.createElement("div");
		}
	var oS = objScreen.style;
		if (document.body.clientHeight){
			var h = document.body.clientHeight + "px";
			var w = document.body.clientWidth + "px";
		} else if (window.innerHeight)	{
			var h = window.innerHeight + "px";
			var w = window.innerWidth + "px";
		} else {
			var h = "100%";
			var w = "100%";
		}	
	objScreen.id = "screenover";
	oS.display = "block";
	oS.top = oS.left = oS.margin = oS.padding = "0px";
	oS.width = w;
	oS.height = h;
	oS.position = "absolute";
	oS.zIndex = "100";
	oS.background = "#000";
	oS.filter = "alpha(opacity=40)";
	oS.opacity = 40/100;
	oS.MozOpacity = 40/100;
	document.body.appendChild(objScreen);
}
function DialogShow(w,h){
	ScreenConvert();
	var objDialog = $("topdiv");
		if (!objDialog){
			objDialog = document.createElement("div");
		}
		if (document.body.clientWidth){
			var ww = document.body.clientWidth;
			var wh = document.body.clientHeight;
		} else {
			var ww = window.innerWidth;
			var wh = window.innerHeight;
		}
	var t_DiglogX = (ww - w) / 2;
	var t_DiglogY = (wh - h) / 2;
	var t_ScreenH = (window.screen.height - 200 - h) / 2;	
	var oS = objDialog.style;
	if (t_DiglogY > t_ScreenH){t_DiglogY = t_ScreenH;}
	objDialog.id = "topdiv";
	oS.display = "block";
	oS.top = t_DiglogY + "px";
	oS.left = t_DiglogX + "px";
	oS.margin = "0px";
	oS.padding = "0px";
	oS.width = w + "px";
	oS.height = h + "px";
	oS.position = "absolute";
	oS.zIndex = "101";
	oS.background = "#FFF";
	oS.border = "solid #666 3px";
	objDialog.innerHTML = "<div class=\"top\">请稍等...</div><div class=\"main\">正在读取数据....</div><div class=\"bot\"><span class=\"btn\"><a href=\"javascript:;\" onclick=\"javascript:DialogHide();\">关闭</a></span></div>"
	document.body.appendChild(objDialog);
}
function ScreenClean(){
	var objScreen = $("screenover");
	var allselect = document.getElementsByTagName("select");
	if (objScreen){	objScreen.style.display = "none";}
	for (var i = 0; i < allselect.length; i++){
		allselect[i].style.visibility = "visible";
	}		
}
function DialogHide(){
	ScreenClean();
	var objDialog = $("topdiv");
	if (objDialog){	objDialog.style.display = "none";}
}
function FormSubmit(form,cNum){
	var obj = form;
	if (Validator.Validate($(obj),cNum)){
		$(obj).submit();
	} else {
		return false;
	}
}
function ShowImage(value,imgid)  {
	var img = $(imgid);
	var Ext = /\.jpg$|\.jpeg$|\.gif$|\.png$/i; 
	if(!value || !img) return;
	if(Ext.test(value)){
		img.src=value;
		img.alt="本地图片预览";
		img.style.display="";
	} else {
		img.style.display="none";
	}
}
function checkall(form)
{
	for (var i=0;i<form.elements.length;i++)
	{
		var e = form.elements[i];
		if (e.name != 'chkall')
			e.checked = form.chkall.checked;
	}
}
function agree(content)
{
	if(confirm(content))
		return true;
	else 
		return false;	
}
function imgzoom(o) {
	if(event.ctrlKey) {
		var zoom = parseInt(o.style.zoom, 10) || 100;
		zoom -= event.wheelDelta / 12;
		if(zoom > 0) {
			o.style.zoom = zoom + '%';
		}
		return false;
	} else {
		return true;
	}
}
function imgresize(o) {
	if(o.width>500) {
		o.width = 500;
		o.resized = true;
		o.style.cursor = 'hand'; 
		o.alt = '按住CTRL + 鼠标中键,可以放大或缩小图片.';
	}
}
function SelArea(SAName,SAID){
	var obj = document.getElementsByName("AreaID");
	if(obj[obj.length-1].value != ""){
		$(SAID).value = obj[obj.length-1].value;
		$(SAName).value = obj[obj.length-1].options[obj[obj.length-1].selectedIndex].text;		
	} else if(obj.length > 1){
		if(obj[obj.length-2].value != ""){
			$(SAID).value = obj[obj.length-2].value;
			$(SAName).value = obj[obj.length-2].options[obj[obj.length-2].selectedIndex].text;			
		}
	} else {
		$(SAID).value = "";
		$(SAName).value = "";
	}
	DialogHide();
}
function SelInterest(s){
	var obj = $('Interest');
	if(obj.value == ""){obj.value = s;} else {	obj.value = obj.value + " " + s;}
}
Validator = {
	Require : /.+/,
	Email : /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/,
	Phone : /^((\(\d{3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}$/,
	Mobile : /^((\(\d{3}\))|(\d{3}\-))?13\d{9}$/,
	Url : /^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/,
	IdCard : /^\d{15}(\d{2}[A-Za-z0-9])?$/,
	Currency : /^\d+(\.\d+)?$/,
	Number : /[-]*[0-9]+$/,
	Zip : /^[1-9]\d{5}$/,
	QQ : /^[1-9]\d{4,10}$/,
	Integer : /^[-\+]?\d+$/,
	Double : /^[-\+]?\d+(\.\d+)?$/,
	English : /^[A-Za-z]+$/,
	Chinese :  /^[\u0391-\uFFE5]+$/,
	UnSafe : /^(([A-Z]*|[a-z]*|\d*|[-_\~!@#\$%\^&\*\.\(\)\[\]\{\}<>\?\\\/\'\"]*)|.{0,5})$|\s/,
	IsSafe : function(str){return !this.UnSafe.test(str);},
	SafeString : "this.IsSafe(value)",
	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 && value < 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：\n\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");
				if(typeof(_dataType) == "object" || typeof(this[_dataType]) == "undefined")  continue;
				this.ClearState(obj.elements[i]);
				if(getAttribute("require") == "false" && value == "") continue;
				switch(_dataType){
					case "Date" :
					case "Repeat" :
					case "Range" :
					case "Compare" :
					case "Custom" :
					case "Group" : 
					case "Limit" :
					case "LimitB" :
					case "SafeString" :
						if(!eval(this[_dataType]))	{
							this.AddError(i, getAttribute("msg"));
						}
						break;
					default :
						if(!this[_dataType].test(value)){
							this.AddError(i, getAttribute("msg"));
						}
						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 = "#FF5C00";
			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 = "#FF5C00";
					this.ErrorItem[i].parentNode.appendChild(span);
					span.innerHTML = "&nbsp;&nbsp;" + 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;
		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;
	},
	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==12 ?0:month;
		var date = new Date(year, month, day);
        return (typeof(date) == "object" && year == date.getFullYear() && month == date.getMonth() && day == date.getDate());
		function GetFullYear(y){return ((y<30 ? "20" : "19") + y)|0;}
	}
}