var Xoffset=-40;    // modify these values to ...
var Yoffset= 20;    // change the popup position.
var skn,nav,old,iex=(document.all),yyy=-1000;

function popup(msg,bak,kd)
{
	if(navigator.appName=="Netscape"){(document.layers)?nav=true:old=true;}
	
	if(!old)
	{
		skn=(nav)?document.dek:dek.style;
	}

	var content="<TABLE WIDTH="+kd+" BORDER=1 BORDERCOLOR=#909090 CELLPADDING=0 CELLSPACING=1 "+
	"BGCOLOR="+bak+"><TD ALIGN=center><FONT COLOR=black SIZE=2>"+msg+"</FONT></TD></TABLE>";
	if(old){alert(msg);return;} 
	else
	{
		yyy=Yoffset;
		if(nav){skn.document.write(content);skn.document.close();skn.visibility="visible"}
		if(iex){document.all("dek").innerHTML=content;skn.visibility="visible"}
	}
}

function get_mouse(e)
{
	if(skn)
	{
		var x=(nav)?e.pageX:event.x+document.body.scrollLeft;skn.left=x+Xoffset;
		var y=(nav)?e.pageY:event.y+document.body.scrollTop;skn.top=y+yyy;
	}
}

function kill()
{
	if(!old&&skn){yyy=-1000;skn.visibility="hidden";}
}

function turnon(obj1){
obj1.style.background="#FFFFB6";
}
function turnoff(obj1){
obj1.style.background="#FFEB64";
}
function turnoff1(obj1){
obj1.style.background="#FFFF99";
}
function turnoff2(obj1){
obj1.style.background="#F7E99D";
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  var n = document.all.tags("select").length;
  showSelect(n);
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
	if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
	obj.visibility=v;
	if(v=='visible')hideSelect(n);
	 }
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
	d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function ShowHideLayers() { //v3.0
  var i,p,v,obj,args=ShowHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
	if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
	obj.visibility=v;
	 }
}

function hideSelect(n)
{
	for(var i=0;i<n;i++)
	{
		document.all.tags("select")[i].style.visibility = 'hidden';
	}
}

function showSelect(n)
{
	for(var i=0;i<n;i++)
	{
		document.all.tags("select")[i].style.visibility = 'visible';
	}
}

// 删除确认
function del()
{
	return confirm('Are You Sure?');
}

// 是否修改密码检验
function checkChgPwd(e)
{
	var eSrc = null;
	if(document.layers)
	{
		eSrc = e.target;
	}
	else if(document.all)
	{
		eSrc = e.srcElement;
	}

	var frm = eSrc.form;
	chgClass(frm.OLDPASSWORD,eSrc.checked);
	chgClass(frm.PASSWORD,eSrc.checked);
	chgClass(frm.CHECKPASSWORD,eSrc.checked);
}

// 改变当前元素的显示样式
function chgClass(eSrc,b)
{
	if(eSrc && "object" == typeof(eSrc))
	{
		eSrc.disabled = !b;
		eSrc.className = b ? "WHITE" : "GREY";
	}
}

var submitForm = true;

// 验证FORM提交的状态
function setSubmit(b)
{
	submitForm = b;
}

// 验证FORM提交的参数
function checkForm()
{
	try
	{
		if(!submitForm)
		{
			throw "表单已提交";
		}

		var eSrc = null;
		if(document.layers)
		{
			eSrc = window.event.target;
		}
		else if(document.all)
		{
			eSrc = window.event.srcElement;
		}

		var frm = eSrc;
		
		return checkFormByForm(frm);
	}
	catch(err)
	{
		alert(err);
		return false;
	}
}

// 验证FORM提交的参数
function checkFormByForm(frm)
{
	try
	{
		var curField = null;

		for (i=0; i<frm.tags("INPUT").length; i++)
		{
			curField = frm.tags("INPUT")(i);
			if("text" != curField.type.toLowerCase()&&"file" != curField.type.toLowerCase())
			{
				 continue;
			}
			else if(!curField.datatype)
			{
				 continue;
			}
			var strDataType = curField.datatype.toLowerCase();
			if("string" == strDataType || "file" == strDataType)
			{
				if("" == curField.value)
				{
					if(curField.nullable && "true"!=curField.nullable.toLowerCase())
					{
						curField.focus();
						throw curField.caption+"不可为空";
					}
				}
			}
			else if("date" == strDataType)
			{
				if("" == curField.value)
				{
					if(curField.nullable && "true"!=curField.nullable.toLowerCase())
					{
						curField.focus();
						throw curField.caption+"不可为空";
					}
				}
				else if(!isDate(curField.value,curField.format))
				{
					curField.focus();
					throw curField.caption+"日期格式不对";
				}
			}
			else if("long" == strDataType || "double" == strDataType)
			{
				if("" == curField.value)
				{
					if(curField.nullable && "true"!=curField.nullable.toLowerCase())
					{
						curField.focus();
						throw curField.caption+"不可为空";
					}
				}
				else if(isNaN(curField.value))
				{
					curField.focus();
					throw curField.caption+"数字格式不对";
				}
			}
			else if("email" == strDataType)
			{
				if("" == curField.value)
				{
					if(curField.nullable && "true"!=curField.nullable.toLowerCase())
					{
						curField.focus();
						throw curField.caption+"不可为空";
					}
				}
				else if(!isMail(curField.value))
				{
					curField.focus();
					throw "电子邮箱格式不对";
				}
			}
		}

		if(frm.name.toLowerCase() == "login")
		{
			curField = frm.username;
			if(curField && "object" == typeof(curField) && "" == curField.value)
			{
				curField.focus();
				throw "请输入登录名称";
			}
			curField = frm.password;
			if(curField && "object" == typeof(curField) && "" == curField.value)
			{
				curField.focus();
				throw "请输入访问密码";
			}
		}
		else if(frm.name.toLowerCase() == "resource_result")
		{
			curField = frm.product_type_code;
			if(curField && "object" == typeof(curField) && "-1" == curField.value)
			{
				curField.focus();
				throw "请具体选择一种品名";
			}
		}
		else if(frm.name.toLowerCase() == "announce")
		{
			curField = frm.ann_id;
			if(curField && "object" == typeof(curField))
			{
				var blnTmpSelect = false;
				if(curField.length>0)
				{
					for(i=0;i<curField.length;i++)
					{
						if(curField[i].checked==true)
						{
							blnTmpSelect=true;
							break;
						}
					}
				}
				else
				{
					blnTmpSelect = curField.checked;
				}
				if(!blnTmpSelect)
				{
					throw "至少选择一个主题";
				}
			}
			else
			{
				throw "没有可选择的主题";
			}
		}
		else if(frm.name.toLowerCase() == "basedata_01")
		{
			curField = frm.delid;
			if(curField && "object" == typeof(curField))
			{
				var blnTmpSelect = false;
				if(curField.length>0)
				{
					for(i=0;i<curField.length;i++)
					{
						if(curField[i].checked==true)
						{
							blnTmpSelect=true;
							break;
						}
					}
				}
				else
				{
					blnTmpSelect = curField.checked;
				}
				if(!blnTmpSelect)
				{
					throw "至少选择一个主题";
				}
			}
			else
			{
				throw "没有可选择的主题";
			}
		}
		else if(frm.name.toLowerCase() == "orderInfo")
		{
			if(frm.trans_mode.value=='2' && frm.pay_mode.options.selectedIndex == 1)
			{
				if(frm.trans_invoice.options.selectedIndex >= 3||frm.trans_invoice.options.selectedIndex < 0)
				{
					frm.trans_invoice.focus();
					throw "请指定运费发票抬头";
				}
			}
			submitForm = false;
		}

		filecheck(frm);
		return true;
	}
	catch(err)
	{
		alert(err);
		return false;
	}
}

// 根据窗口的状态显示文字信息
// 窗口为独立的窗口，显示关闭
// 窗口内嵌在别的窗口，显示返回
function showlink()
{
	if(self!=top || history.length>0)
	{
		document.write("<a href=\"javascript:history.back()\" style=\"font-family:Arial,Helvetica,Verdana; color:#333333; font-weight:600; \">返回</a>");
	}
	else
	{
		document.write("<a href=\"javascript:window.close()\" style=\"font-family:Arial,Helvetica,Verdana; color:#333333; font-weight:600; \">关闭</a>");
	}
	window.focus();
}

// 判断窗口是否存在FILE类型元素
// 若为真，则窗口encoding为multipart/form-data
// 若为假，则窗口encoding为application/x-www-form-urlencoded
function filecheck(frm)
{
	for (i=0; i<frm.tags("INPUT").length; i++)
	{
		if("file" == frm.tags("INPUT")(i).type.toLowerCase())
		{
			frm.encoding = "multipart/form-data";
			break;
		}
	}
}

function goPage(i)
{
	var frm = document.listfrm;
	frm.page.value = i;
	if(isNaN(frm.page.value))
	{
		alert("Page Value Must Be Numbers !");
		return false;
	}
	if (parseInt(frm.page.value)<0 || parseInt(frm.page.value)>parseInt(frm.pagecount.value))
	{
		alert("Page Value is Out of Range !");
		return false;
	}
	frm.submit();
	return false;
}

function selectall(obj)
{
	var eSrc = null;
	if(document.layers)
	{
		eSrc = window.event.target;
	}
	else if(document.all)
	{
		eSrc = window.event.srcElement;
	}

	if(obj && "object" == typeof(obj))
	{
		if(obj.length)
		{
			for(i=0;i<obj.length;i++) obj[i].checked = eSrc.checked;
		}
		else
		{
			obj.checked = eSrc.checked;
		}
	}
}

function checkSelect(obj)
{
	try
	{
		curField = obj;
		if(curField && "object" == typeof(curField))
		{
			var blnTmpSelect = false;
			if(curField.length>0)
			{
				for(i=0;i<curField.length;i++)
				{
					if(curField[i].checked==true)
					{
						blnTmpSelect=true;
						break;
					}
				}
			}
			else
			{
				blnTmpSelect = curField.checked;
			}
			if(!blnTmpSelect)
			{
				throw "至少选择一个主题";
			}
		}
		else
		{
			throw "没有可选择的主题";
		}
		return true;
	}
	catch(err)
	{
		alert(err);
		return false;
	}
}

function getDownload(strPostUrl)
{
	var eSrc = null;
	if(document.layers)
	{
		eSrc = window.event.target;
	}
	else if(document.all)
	{
		eSrc = window.event.srcElement;
	}
	var frm = document.listfrm;
	if("download"==eSrc.name)
	{
		var tmpTarget = frm.target;
		var tmpAction = frm.action;
		frm.target = "_self";
		frm.action = strPostUrl;
		frm.submit();
		frm.target = tmpTarget;
		frm.action = tmpAction;
	}
}