function na_restore_img_src(name, nsdoc){  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);  if (name == '')    return;  if (img && img.altsrc) {    img.src    = img.altsrc;    img.altsrc = null;  } }function na_preload_img(){   var img_list = na_preload_img.arguments;  if (document.preloadlist == null)     document.preloadlist = new Array();  var top = document.preloadlist.length;  for (var i=0; i < img_list.length-1; i++) {    document.preloadlist[top+i] = new Image;    document.preloadlist[top+i].src = img_list[i+1];  } }function na_change_img_src(name, nsdoc, rpath, preload){   var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);  if (name == '')    return;  if (img) {    img.altsrc = img.src;    img.src    = rpath;  } }


function bluring(){ 
if(event.srcElement.tagName=="A"||event.srcElement.tagName=="IMG") document.body.focus(); 
} 
document.onfocusin=bluring; 



 function tgl(v){


    var a=document.getElementById('d'+v).style.display;
    document.getElementById('d'+v).style.display=(a=='none')?'block':'none';
 }