function textCounter() {
  var obj=document.forms.sendform;
  var m=obj.length;

  for( var i=0;i<m;i++ ){
     var n=obj(i).name;
     if( n=="message" ){
          var y=obj(i).value.length ;
          if( y >=500 )   obj(i).value=obj(i).value.substring(0,500);
          obj.remLen1.value=500-y;
	  
	  if(obj.remLen1.value == -1)
	  {
		obj.remLen1.value = 0;
	  }
          return;
     }
  }
}