// JavaScript Document
//Cookie
function SetCookie(name,value)//两个参数，一个是cookie的名子，一个是值
{
var Days = 0; //此 cookie 将被保存 30 天
var exp   = new Date(); //new Date("December 31, 9998");
exp.setTime(exp.getTime() + Days*24*60*60*1000);
document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString() + ";"
}

function getCookie(name)//取cookies函数       
{
var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
    if(arr != null)
		return unescape(arr[2]);
	else
		return 1;

}

//correctPNG

function correctPNG()
   {
    for(var i=0; i<document.images.length; i++)
       {
       var img = document.images[i];
       var imgName = img.src.toUpperCase();
       if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
          {
          var imgID = (img.id) ? "id='" + img.id + "' " : "";
          var imgClass = (img.className) ? "class='" + img.className + "' " : "";
          var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' ";
          var imgStyle = "display:inline-block;" + img.style.cssText;
          if (img.align == "left") imgStyle = "float:left;" + imgStyle;
          if (img.align == "right") imgStyle = "float:right;" + imgStyle;
          if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle;     
          var strNewHTML = "<span " + imgID + imgClass + imgTitle
          + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
           + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
          + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>";
          img.outerHTML = strNewHTML;
          i = i-1;
         }
       }
   }
function alphaBackgrounds(){
   var rslt = navigator.appVersion.match(/MSIE (d+.d+)/, '');
   var itsAllGood = (rslt != null && Number(rslt[1]) >= 5.5);
   for (i=0; i<document.all.length; i++){
      var bg = document.all[i].currentStyle.backgroundImage;
      if (bg){     
         if (bg.match(/.*\.png.*/i) != null){ 
            var mypng = bg.substring(5,bg.length-2);
            document.all[i].style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+mypng+"', sizingMethod='scale')";
            document.all[i].style.backgroundImage = "url('')";
         }                                               
      }
   }
}
if (navigator.platform == "Win32" && navigator.appName == "Microsoft Internet Explorer" && window.attachEvent) {
window.attachEvent("onload", correctPNG);
window.attachEvent("onload", alphaBackgrounds);
}

function CheckItem(CB){
  var tagname=(arguments.length>1)?arguments[1]:'TR';
  if(document.myform.chkAll.checked){
	document.myform.chkAll.checked = document.myform.chkAll.checked&0;
  }
  if (CB.checked){hL(CB,tagname)};else{dL(CB,tagname)};
  var TB=TO=0;
  for (var i=0;i<myform.elements.length;i++) {
	var e=myform.elements[i];
	if ((e.name != 'chkAll') && (e.type=='checkbox')) {
	  TB++;
	  if (e.checked) TO++;
	}
  }
  myform.chkAll.checked=(TO==TB)?true:false;
}
function CheckAll(form){
  var tagname=(arguments.length>1)?arguments[1]:'TR';
  for (var i=0;i<form.elements.length;i++){
	var e = form.elements[i];
	if (e.name != 'chkAll' && e.disabled == false && e.type == 'checkbox') {
	  e.checked = form.chkAll.checked;
	  if (e.checked){hL(e,tagname)};else{dL(e,tagname)};
	}
  }
}
function hL(E,tagname){
  while (E.tagName!=tagname) {E=E.parentElement;}
}
function dL(E,tagname){
  while (E.tagName!=tagname) {E=E.parentElement;}
}
function Del(){
 if(document.myform.Action.value=='ConfirmDel'){
	 if(confirm('确定要删除选中的区域吗？删除后将不能恢复！'))
		 return true;
	 else
		 return false;
 }
}