/*
基于jquery的页面公共js函数库
i@lishilin.cc
2010-07-16
*/

/*****************************************
字符串去除头尾空格
*****************************************/
String.prototype.Trim = function() {
	return this.replace(/(^\s*)|(\s*$)/g, "");
}

String.prototype.LTrim = function() {
	return this.replace(/(^\s*)/g, "");
}

String.prototype.RTrim = function() {
	return this.replace(/(\s*$)/g, "");
}
/*****************************************
取得event
*****************************************/

function Evt(e) {
	if (!e) {
		e = window.event;
	}
	return e;
}
function BEvent() {
	return window.event ? window.event : arguments.callee.caller.arguments[0];
}
/*****************************************
限制输入的执行函数
*****************************************/
//只能输入数字
function KeyPressNum(obj, evt) {
	var key = window.event ? evt.keyCode : evt.which;
	if (key < 27 || key > 128) return true; //如果输入的是功能按键，则不限制
	else if (key >= 48 && key <= 57) return true;
	else
		return false;
}
//只能输入数字和小数点，并且小数点要按规则输入
function KeyPressNumPoint(obj, evt) {
	var key = window.event ? evt.keyCode : evt.which;
	if (key < 27 || key > 128) //如果输入的是功能按键，则不限制
	{
		return true;
	}
	else if ((key >= 48 && key <= 57) || key == 46) {
		if (key == 46) {
			if (obj.value.Trim() == "") {
				return false;
			}
			if (obj.value.indexOf(".") >= 1) {
				return false;
			}
		}
		return true;
	}
	else
		return false;
}
//只允许输入带负号的小数数字格式
function KeyPressSignFloatNum(obj, evt) {
	var key = window.event ? evt.keyCode : evt.which;
	if (key < 27 || key > 128) //如果输入的是功能按键，则不限制
	{
		return true;
	}
	else if ((key >= 48 && key <= 57) || key == 46 || key == 45) {
		if (key == 46) {
			if (obj.value.Trim() == "") {
				return false;
			}
			if (obj.value.indexOf(".") >= 1) {
				return false;
			}
		}
		if (key == 45) {
			if (obj.value.Trim() != "")
				return false;
		}
		return true;
	}
	else
		return false;
}
//只能输入数字和横线
function KeyPressNumLine(obj, evt) {
	var key = window.event ? evt.keyCode : evt.which;
	if (key < 27 || key > 128) {
		return true;
	}
	else if ((key >= 48 && key <= 57) || key == 45) {
		return true;
	}
	else
		return false;
}
//只能输入数字、横线和括号（电话号码形式）
function KeyPressPhone(obj, evt) {
	var key = window.event ? evt.keyCode : evt.which;
	if (key < 27 || key > 128) {
		return true;
	}
	else if ((key >= 48 && key <= 57) || key == 45 || key == 40 || key == 41) {
		return true;
	}
	else
		return false;
}
/**********************************************
页面跳转
**********************************************/
//跳到本页并且去除url参数
function RefreshMe() {
	location.href = location.pathname;
}
//跳转到本页，不去除参数
function LocationToMe() {
	location.href = location.href;
}
//跳转到本页，并删除指定的参数
//参数：param:应为匹配指定参数的js正则表达式字符串
function RefreshMeDelParam(param) {
	var url = location.href;
	var reg = new RegExp(param, "ig");
	var x = url.replace(reg, "");
	LocationTo(x);
}
//跳到指定页
function LocationTo(url) {
	location.href = url;
}
//顶部窗口跳转
function TopLocationTo(url) {
	top.location.href = url;
}
//跳转到本页，并添加参数
function LocationToMeParam(param) {
	location.href = SetUrlParam(location.href, param);
}
//提交页面
function SubmitToMeParam(url) {
	document.forms[0].action = url;
	document.forms[0].submit();
}

//打开窗口的js类，默认打开空页面
function NewWindow() {
	this.Url = "about:blank";
	this.Name = "_blank";
	this.Height = Math.round(window.screen.height / 2);
	this.Width = Math.round(window.screen.width / 2);
	this.ToolBar = "yes";
	this.MenuBar = "yes";
	this.ScrollBars = "yes";
	this.Location = "yes";
	this.Status = "yes";
	this.Resizable = "yes";
	this.Left = Math.round(((window.screen.availWidth - this.Width) / 2) / 2);
	this.Top = Math.round(((window.screen.availHeight - this.Height) / 2) / 2);
}
NewWindow.prototype.Open = function() {
	window.open(this.Url, this.Name, 'height=' + this.Height + ',width=' + this.Width + ',toolbar=' + this.ToolBar + ',menubar=' + this.MenuBar + ',scrollbars=' + this.ScrollBars + ',resizable=' + this.Resizable + ',location=' + this.Location + ',status=' + this.Status + ',left=' + this.Left + ',top=' + this.Top + '');
}
//打开一个没有任何限制的窗口
function OpenUrl(url) {
	var win = new NewWindow();
	win.Url = url;
	win.Open();
}
//打开一个所有操作工具条都没有的窗口
function OpenUrlNotAll(url, width, height) {
	if (url == null || url == "")
		url = "/";
	if (width == null || width == 0)
		width = Math.round(window.screen.width / 2);
	if (height == null || height == 0)
		height = Math.round(window.screen.height / 2);

	var win = new NewWindow();
	win.Url = url;
	win.Height = height;
	win.Width = width;
	win.ToolBar = "no";
	win.MenuBar = "no";
	win.ScrollBars = "yes";
	win.Location = "no";
	win.Status = "no";
	win.Resizable = "yes";
	win.Left = Math.round((window.screen.availWidth - win.Width) / 2);
	win.Top = Math.round((window.screen.availHeight - win.Height) / 2);
	win.Open();
}
/**************************************************
屏幕尺寸
**************************************************/
function Screen() {
	this.ScrollTop = document.documentElement.scrollTop; //网页被卷去的高
	this.ScrollLeft = document.documentElement.scrollLeft; //网页被卷去的左
	this.ScrollWidth = document.documentElement.scrollWidth; //网页正文全文宽
	this.ScrollHeight = document.documentElement.scrollHeight; //网页正文全文高
	this.ClientHeight = document.documentElement.clientHeight; //网页可见区域高
	this.ClientWidth = document.documentElement.clientWidth; //网页可见区域宽
	this.OffsetWidth = document.documentElement.offsetWidth; //网页可见区域宽(包括边线)
	this.OffsetHeight = document.documentElement.offsetHeight; //网页可见区域高(包括边线)
	this.ScreenTop = window.screenTop; //网页正文部分上
	this.ScreenLeft = window.screenLeft; //网页正文部分左
	this.ScreenHeight = window.screen.height; //屏幕分辨率的高
	this.ScreenWidth = window.screen.width; //屏幕分辨率的宽
	this.AvailHeight = window.screen.availHeight; //屏幕有效工作区高
	this.AvailWidth = window.screen.availWidth; //屏幕有效工作区宽
};

/***************************************************************
url操作
***************************************************************/
//获取url中一个指定的参数值
function GetRequest(paramName, defaultValue) {
	var search = paramName + "=";
	var FieldValue = "";
	var URL = location.href;
	var offset = URL.indexOf(search);
	if (offset != -1) {
		offset += search.length;
		var end = URL.indexOf("&", offset);
		if (end == -1) {
			FieldValue = URL.substring(offset);
		}
		else {
			FieldValue = URL.substring(offset, end);
		}
	}
	if (FieldValue == "") {
		FieldValue = defaultValue;
	}
	return FieldValue.toLowerCase();
}
//为url添加参数，自动判断是更新还是添加
//参数格式：如：page=1的形式，不能是“page=1&params=1”的形式，即一次只能添加一个参数
function SetUrlParam(url, param) {
	var interrogation = url.indexOf("?");

	if (interrogation == -1) {
		url += "?" + param;
	}
	else {
		//如果?后面有查询字符串,则检测有没有该字段，如果有，则重新付值
		var fp = param.split("=");
		var search = fp[0] + "=";
		var offset = url.indexOf(search);
		if (offset != -1) {
			offset += search.length;
			end = url.indexOf("&", offset);
			if (end == -1) {
				url = url.substring(0, offset) + fp[1];
			}
			else {
				url = url.substring(0, offset) + fp[1] + url.substring(end);
			}
		}
		else {
			url = url + "&" + param;
		}
	}
	return url;
}
/*************************************************************
* 对象操作
*************************************************************/
//获取select的当前选定项的文本
function DropGetText(dropID) {
	var selector = "#" + dropID + " option:selected"
	return $(selector).text();
}
//获取select的当前选定项的值
function DropGetValue(dropID) {
	var selector = "#" + dropID + " option:selected"
	return $(selector).val();
}
//根据文本设置select的选定项
function DropSetByText(dropID, text) {
	var selector = "#" + dropID + " option";
	$(selector).each(
		function() {
			this.selected = (this.text == text) ? true : false;
		}
	);
}
//根据值设置select的选定项
function DropSetByValue(dropID, value) {
	var selector = "#" + dropID + " option";
	$(selector).each(
		function() {
			this.selected = (this.value == value) ? true : false;
		}
	);
}
/**************************************************
可用于显示页面进度条的隐藏层操作
**************************************************/
//创建一个浮动的div，未指定宽高度及位置，指定部分样式
//var timer = null;
function CreateStateDiv(divID) {
	var div = document.createElement("div");
	div.id = divID;
	with(div.style)
	{
		fontSize="12px";
		color = "#000";
		background = "url(/Images/System/D_bg.gif) repeat-x left top";
		border = "1px solid #99bfd8";
		position = "absolute";
		zIndex = "100000";
		display = "none";
	}
	return div;
}
//浮动层操作：关闭
function HiddenState(divID, time) {
	if ($("#" + divID).length > 0) {
		if (time == null || time == "undefined" || time == 0) time = 1000
		var tmp = "#" + divID;
		$("#" + divID).hide(time, function() {
			$(tmp).remove();
		});
	}
}
//扩展：显示网页提示信息
function Msg(text, width, title) {

	var s = new Screen();
	//创建遮罩层
	var mask = $("#Mask");
	if(mask.length == 0)
	{
		mask = CreateStateDiv("Mask");
		with(mask.style)
		{
			border = "0px";
			filter = "alpha(opacity=80)";
			opacity = "0.8";
			zIndex = "99999";
			backgroundImage = "none";
			backgroundColor = "#fefefe";
			position = "absolute";
			top = 0;
			left = 0;
			width = Math.max(s.ClientWidth,s.ScrollWidth) + "px";
			height = Math.max(s.ClientHeight,s.ScrollHeight) + "px";
			display = "inline";
		}
		$(mask).css("-moz-opacity","0.8");
		$(mask).click(function(){ HiddenState("Mask", 1);HiddenState("Tranning", 1) });
		AppendElement(mask);
	}
	else
	{
		mask.css("display","inline");
	}
    
	var state = $("#Tranning")[0];
	if (state == null) {
		state = CreateStateDiv("Tranning");
		AppendElement(state);
	}
	var swidth = (width == null || width == "" || width == 0) ? 600 : width;
	var stitle = (title == null || title == "" ) ? "网页对话框" : title;
	var content = '<div style="color: #153c64; font-weight: bold; font-size: 14px; padding: 7px 0 0 12px;cursor:move;" onmouseover="DivMove(\'Tranning\');">';
	content += '<span style="position: absolute; top: 4px; right: 5px;">';
	content += '<img src="/Images/System/d_close.gif" width="21" height="19" style="border: 0;cursor:pointer;" title="关闭" alt="关闭" onclick="HiddenState(\'Mask\', 1);HiddenState(\'Tranning\',200);" /></span>';
	content += stitle;
	content += '</div><div style="padding: 25px; line-height: 24px;">';
	content += text;
	content += '</div>';
	content += '<div style="height: 27px; background: url(/Images/System/d_bottom.gif) repeat-x left top; border-top: 1px solid #e1e1e1; text-align: center; padding-top: 4px;">';
	content += '<img src="/Images/System/d_btn.gif" style="border:0;cursor:pointer;" title="关闭" alt="关闭" onclick="HiddenState(\'Mask\', 1);HiddenState(\'Tranning\',200);" />';
	content += '</div>';
	
	$(state).css("display","inline");
	$(state).css("width", swidth + "px");
	$(state).html(content);
	
	var stop = s.ScrollTop + (s.ClientHeight - $(state).attr("clientHeight")) / 2;
	if(stop < 0)
		stop = 20;
	var sleft = s.ScrollLeft + ((s.ClientWidth - width) / 2);
	if(sleft < 0)
		sleft = 20;
	
	$(state).css("top", stop).css("left",sleft)
}
//扩展：显示进度条
function OpenStateBar(text) {
	var state = $("#Tranning")[0];
	if (state == null) {
		state = CreateStateDiv("Tranning");
		AppendElement(state);
	}

	var content = LOADING_ICON + text;

	$(state).css("display","inline");
	$(state).html(content);
	var s = new Screen();
	$(state).css("border","0");
	$(state).css("top", s.ScrollTop + (s.ClientHeight - $(state).attr("clientHeight")) / 2);
	$(state).css("left", s.ScrollLeft + ((s.ClientWidth - $(state).attr("clientWidth")) / 2));
}
//扩展：关闭进度条
function CloseStateBar(){
	$("#Tranning").hide(500,function(){$("#Tranning").remove();});
}
//扩展：层的移动
var drag_ = false;
function DivMove(objID) {
	var x, y;
	var tmp = "#" + objID;
	$(tmp).mousedown(
		function(e) {
			drag_ = true;
			with ($(tmp)) {
				css("position", "absolute");
				var off = offset();
				var temp1 = off.left;
				var temp2 = off.top;
				x = Evt(e).clientX;
				y = Evt(e).clientY;

				document.onmousemove = function(e) {
					if (!drag_) return false;
					with (this) {
						css("left", temp1 + Evt(e).clientX - x);
						css("top", temp2 + Evt(e).clientY - y);
					}
				}
			}
		}
	);
	document.onmouseup = new Function("drag_=false;");
}
//扩展：为文档添加一个元素
function AppendElement(element) {
	if (document.readyState) {
		if (document.readyState == "complete") {
			$(document.body).append(element);
		}
		else {
			$(document).ready(
			function() { $(document.body).append(element); }
			);
		}
	}
	else {
		$(document.body).append(element);
	}
}

/**************************************************************************
设为主页、加入收藏和复制到剪贴板
**************************************************************************/
//设为主页
function SetHomePage() {
	if (document.all) {
		document.body.style.behavior = 'url(#default#homepage)';
		document.body.setHomePage(location.href);
	}
	else if (window.sidebar) {
		if (window.netscape) {
			try {
				netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
			}
			catch (e) {
				alert("该操作被浏览器拒绝，如果想启用该功能，请在地址栏内输入 about:config,然后将项 signed.applets.codebase_principal_support 值改为true");
			}
		}
		var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
		prefs.setCharPref('browser.startup.homepage', location.href);
	}
}
//加入浏览器收藏
function AddFavorite(title, url) {
	if (document.all) {
		window.external.addFavorite(url, title);
	}
	else if (window.sidebar) {
		window.sidebar.addPanel(title, url, "");
	}
}

//复制信息到剪贴板
function CopyToClipboard(str) {
	var msg = "本页信息复制成功，您可以粘贴到QQ、MSN或邮箱中，发送给您的好友。";
	if (window.clipboardData) {
		window.clipboardData.clearData();
		window.clipboardData.setData("Text", str);
		alert(msg);
	}
	else if (window.netscape) {
		try {
			netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
		} catch (e) {
			alert("被浏览器拒绝！\n请在浏览器地址栏输入'about:config'并回车\n然后将'signed.applets.codebase_principal_support'设置为'true'");
		}
		var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);
		if (!clip)
			return;
		var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);
		if (!trans)
			return;
		trans.addDataFlavor('text/unicode');
		var len = new Object();
		var str2 = Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString);
		var copytext = str;
		str2.data = copytext;
		trans.setTransferData("text/unicode", str2, copytext.length * 2);
		var clipid = Components.interfaces.nsIClipboard;
		if (!clip)
			return false;
		clip.setData(trans, null, clipid.kGlobalClipboard);
		alert(msg);
	}
}
//复制信息到剪贴板，无提示
function CopyToClipboardNonAlert(str) {
	if (window.clipboardData) {
		window.clipboardData.clearData();
		window.clipboardData.setData("Text", str);
	}
	else if (window.netscape) {
		try {
			netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
		} catch (e) {
		}
		var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);
		if (!clip)
			return;
		var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);
		if (!trans)
			return;
		trans.addDataFlavor('text/unicode');
		var len = new Object();
		var str2 = Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString);
		var copytext = str;
		str2.data = copytext;
		trans.setTransferData("text/unicode", str2, copytext.length * 2);
		var clipid = Components.interfaces.nsIClipboard;
		if (!clip)
			return false;
		clip.setData(trans, null, clipid.kGlobalClipboard);
	}
}

//去掉虚线框代码
$("a").live("focus", function() {
	if (this.blur) { this.blur() };
});