// JavaScript Document
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='crop');\"></span>"
       img.outerHTML = strNewHTML
       i = i-1
        }
      }
   }
   
function filterPNG(myImage){    
	var arVersion = navigator.appVersion.split("MSIE");   
	var version = parseFloat(arVersion[1]);     
		if ((version >= 5.5) && (version < 7) && (document.body.filters))    
		{        
			var imgID = (myImage.id) ? "id='" + myImage.id + "' " : "";        
			var imgClass = (myImage.className) ? "class='" + myImage.className + "' " : "";        
			var imgTitle = (myImage.title) ? "title='" + myImage.title  + "' " : "title='" + myImage.alt + "' ";       
			var imgStyle = "display:inline-block;" + myImage.style.cssText;        
			var strNewHTML = "<span " + imgID + imgClass + imgTitle+ " style=\"" + "width:" + myImage.width+ "px; height:" + myImage.height+ "px;" + imgStyle + ";" + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"+ "(src=\'" + myImage.src + "\', sizingMethod='crop');\"></span>";
			myImage.outerHTML = strNewHTML;   
		}
}
   
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);
   //alert(mypng);
            document.all[i].style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+mypng+"', sizingMethod='scale')";
            document.all[i].style.backgroundImage = "url('')";
   //alert(document.all[i].style.filter);
         }                                               
      }
   }
}


if (navigator.platform == "Win32" && navigator.appName == "Microsoft Internet Explorer" && window.attachEvent) {
//window.attachEvent("onload", correctPNG);
window.attachEvent("onload", alphaBackgrounds);
}
//鼠标经过图片变换
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_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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_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];}
}

//关于单选按钮的JS控制

function checkAll(str,checked) {
	var a = document.getElementsByName(str);
    var b=$("listitem").getElementsByTagName("tr");
    var n = a.length;

    for (var i = 0; i < n; i++) {
        a[i].checked = checked;
        if (checked)
            b[i+1].className="box_select";
        else
            b[i+1].className="box";
    }
}
function checkAll(checked) {
	var str="newsid";
    var a = document.getElementsByName(str);
    var b=$("listitem").getElementsByTagName("tr");
    var n = a.length;

    for (var i = 0; i < n; i++) {
        a[i].checked = checked;
        if (checked)
            b[i+1].className="box_select";
        else
            b[i+1].className="box";
    }
}
function checkReverse(str)   //反选 备用[mlove,09.08.10]
{   
  var a = document.getElementsByName(str);   
  var n = a.length;   
  for (var i=0; i<n; i++)   
  a[i].checked = !a[i].checked;   
}   

function CheckInput(str,t) {
    var a = document.getElementsByName(str);
    var b=$("listitem").getElementsByTagName("tr");
    var n = a.length;
    try {
        var input_checkall = $("checkall_"+str);
        input_checkall.checked = true;
             
        for (var i=0; i < n; i++) {
            if (!a[i].checked) {
                input_checkall.checked = false;
                b[i+1].className="box";
            }
            else
            {
                b[i+1].className="box_select";
            }
            
        }
    } catch (e) {
    }
}
function CInput(t) {
	var str="newsid";
    var a = document.getElementsByName(str);
    var b=$("listitem").getElementsByTagName("tr");
    var n = a.length;
    try {
        var input_checkall = $("checkall_"+str);
        input_checkall.checked = true;
             
        for (var i=0; i < n; i++) {
            if (!a[i].checked) {input_checkall.checked = false;b[i+1].className="box";}
            else{ b[i+1].className="box_select";}            
        }
    } catch (e) {
    }
}

var childselect="";
function trcs(str)
{
	//var input_checkall = $("checkall_newsid");
        if ($("l"+str).className=="nocheck")
		{
			$("tr"+str).className="box_select";$("l"+str).className="check";
			if (childselect=="")
				childselect=str;
			else
				childselect=childselect+","+str;
			}
			else
			{
				$("tr"+str).className="";$("l"+str).className="nocheck";
				var cstr=new RegExp((","+str+","),"g");childselect=((","+childselect+",").replace(cstr, ",")).substr(1,childselect.length-2);
				}
	}