// JavaScript Document
function showNotice(f){
	if(f){showhide="visible";}
	else{showhide="hidden";}
        if(document.layers){
            //thisbrowser="NN4";
		document.myNotice.visibility=showhide;
        }
        if(document.all){
             //thisbrowser="ie"
		document.all.myNotice.style.visibility=showhide;
        }
        if(!document.all && document.getElementById){
             //thisbrowser="NN6";
		document.getElementById("myNotice").style.visibility=showhide;
        }
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

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];}
}

function setCookie(sName, sValue)
{
  date = new Date((new Date()).getTime() + 31536000000);
  document.cookie = sName + '=' + escape(sValue) + '; expires=' + date.toGMTString() + '; domain=sina.com; path=/';
  //alert(document.cookie);

}

function getCookie(c_name)
{
    if (document.cookie.length>0)
    {
        c_start=document.cookie.indexOf(c_name + "=");
        if (c_start!=-1)
        {
            c_start=c_start + c_name.length+1;
            c_end=document.cookie.indexOf(";",c_start);
            if (c_end==-1) c_end=document.cookie.length;
            return unescape(document.cookie.substring(c_start,c_end));
        }
    }
    return null;
}

int is_major = 0; 

var ie4      = document.all;
var ie5      = document.all && document.getElementById && (is_major == 5);
var ns4      = document.layers;
var ns6      = document.getElementById && !document.all;

function hideLayer(divId) {
  if (ns4) {
    document.layers[divId].visibility = "hide";
  } else if (ns6 || ie5) {
    document.getElementById(divId).style.visibility = "hidden";
  } else {
    document.all[divId].style.visibility = "hidden";
  }
}

function showLayer(divId) {
  if (ns4) {
    document.layers[divId].visibility = "show";
  } else if (ns6 || ie5) {
    document.getElementById(divId).style.visibility = "visible";
  } else {
    document.all[divId].style.visibility = "visible";
  }
}