function popup(url,name,width,height)
{
  fullSize = open(url,name,'width=' + width + ',height=' + height + ',scrollbars=no,resizable=0,status=0,dependent=yes');
}
function popup_scroll(url,name,width,height)
{
  fullSize = open(url,name,'width=' + width + ',height=' + height + ',scrollbars=yes,resizable=0,status=0,dependent=yes');
}
function getElementsByClassName ( arguments )
{
  var elements = document.all || document.getElementsByTagName( '*' );
  var arr = [];
  var arguments = ';' + arguments.join( ';' ) + ';';
  for( var x = 0 ; x < elements.length ; x++ )
  {
    var element = elements[ x ];
    var classArr = element.className.split( ' ' );
    for( var y = 0 ; y < classArr.length ; y++ )
    {
      if( arguments.indexOf( ';' + classArr[ y ] + ';' ) > -1 )
      {
        arr[ arr.length ] = element;
        break
      }
    }
  }
  return arr
}

function toggledisplay( obj_class ) {
  var objects = getElementsByClassName(new Array(obj_class));
  for (var i=0; i<objects.length; i++)
  {
    objects[i].style.display=( (objects[i].style.display=='none') ? '' : 'none');
  }
}