var height = null;
var width = null;
//if (navigator.cookieEnabled == 1) {
  height = window.screen.height;
  width =  window.screen.width;

  resolution = window.screen.colorDepth;
/*
  get_screen_size = Get_Cookie('screen_size');
  get_screen_resolution = Get_Cookie('screen_resolution');

  if((get_screen_size != width+' * '+height) || (get_screen_resolution != resolution)){
    Delete_Cookie( 'screen_size' );
    Delete_Cookie( 'screen_resolution' );

  }
*/
  Set_Cookie('screen_size',width+' * '+height,365);
  Set_Cookie('screen_resolution',resolution,365);

//}



function Set_Cookie( name, value, expires, path, domain, secure ) {
  // set time, it's in milliseconds
  var today = new Date();
  today.setTime( today.getTime() );

  /*
  if the expires variable is set, make the correct
  expires time, the current script below will set
  it for x number of days, to make it for hours,
  delete * 24, for minutes, delete * 60 * 24
  */
  if ( expires ){
    expires = expires * 1000 * 60 * 60 * 24;
  }
  var expires_date = new Date( today.getTime() + (expires) );

  document.cookie = name + "=" +escape( value ) +
  ( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) +
  ( ( path ) ? ";path=" + path : "" ) +
  ( ( domain ) ? ";domain=" + domain : "" ) +
  ( ( secure ) ? ";secure" : "" );
}


// this function gets the cookie, if it exists
function Get_Cookie( name ) {

  var start = document.cookie.indexOf( name + "=" );
  var len = start + name.length + 1;
  if ( ( !start ) &&
  ( name != document.cookie.substring( 0, name.length ) ) )
  {
  return null;
  }
  if ( start == -1 ) return null;
  var end = document.cookie.indexOf( ";", len );
  if ( end == -1 ) end = document.cookie.length;
  return unescape( document.cookie.substring( len, end ) );
}




// this deletes the cookie when called
function Delete_Cookie( name, path, domain ) {
  if ( Get_Cookie( name ) ) document.cookie = name + "=" +
  ( ( path ) ? ";path=" + path : "") +
  ( ( domain ) ? ";domain=" + domain : "" ) +
  ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}