function btshmr() {
    var bnum = getElements( "bnum" );
    if(bnum.length!=0)
    {
    for ( var i = 0; i < bnum.length; ++i ) {
      if( bnum[i].style.visibility == 'hidden')
	bnum[i].style.visibility = 'visible';
      else
	bnum[i].style.visibility = 'hidden';
    }
   return true;
   }
    var msr1s = getElements( "m1" , "b2");
    if ( msr1s.length == 0 )  return true;
	var j=0;
	var k=1;
    for ( var i = 0; i < msr1s.length; ++i ) {      	
	  if(msr1s[i].className == "m1")
	  {
		msr1s[i].innerHTML = '<div class="bnum" style="float:right;color:red;"><p>'+bshfarsinum(String(j+1))+'</p></div>'+msr1s[i].innerHTML;
		j++;
      }
	  else
	  {
	   if(i!=msr1s.length-1)
	    {
		msr1s[i].innerHTML = msr1s[i].innerHTML+'<div class="bnum" style="color:blue;"><p>'+bshfarsinum(String(k+1))+'</p></div>';
		k++;
		j=0;
		}
      }	  
    }
    return true;
}
function bshfarsinum(englishnum)
{
  var result = "";
  for(var i=0; i<englishnum.length;i++)
 {
   result = result +String.fromCharCode(englishnum.charCodeAt(i)+0x6C0);
 }
 return result;
}
// From David Flanagan's "JavaScript: The Definitive Guide" 5th Ed,
//   http://www.davidflanagan.com/javascript5/display.php?n=15-4&f=15/04.js
//modified 4 ganjoor a little bit
function getElements(classname, classname2, tagname, root) {
     if (!root) root = document;
     else if (typeof root == "string") root = document.getElementById(root);
     if (!tagname) tagname = "*";
     var all = root.getElementsByTagName(tagname);
     if (!classname) return all;
     var elements = [];  
     for(var i = 0; i < all.length; i++) {
         var element = all[i];
         if (isMember(element, classname) || isMember(element, classname2)) 
             elements.push(element);       
     }
     return elements;
     function isMember(element, classname) {
         var classes = element.className;
         if (!classes) return false;            
         if (classes == classname) return true; 
         var whitespace = /\s+/;
         if (!whitespace.test(classes)) return false;
         var c = classes.split(whitespace);
         for(var i = 0; i < c.length; i++) {
             if (c[i] == classname) return true;
         }
         return false;
     }
     return null;
}