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 ) );
}

function Set_Cookie( name, value, expires, path, domain, secure ) {
	var today = new Date();
	today.setTime( today.getTime() );
	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() : "" ) + //expires.toGMTString()
		( ( path ) ? ";path=" + path : "" ) + 
		( ( domain ) ? ";domain=" + domain : "" ) +
		( ( secure ) ? ";secure" : "" );
}

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";
}

function client_data(info) {
  if (info == 'width') {
    width_height_html = '<br /><strong>Screen Resolution:</strong><br />';
    width = (screen.width) ? screen.width:'';
    height = (screen.height) ? screen.height:'';
    if (width < 1024 || height < 768) {
      width_height_html += width + " x " +
      height + ' pixels<br/><font color="#FF0000">Failed</font> - 1024 x 768 required<br />';
    } else {
      width_height_html += width + " x " +
      height + ' pixels<br/><font color="#00C000">Passed</font><br />';
    }
    (width && height) ? document.write(width_height_html):'';
  } else if (info == 'js' ) {
    document.write('<br />JavaScript is enabled.<br/><font color="#00C000">Passed</font><br />');
  } else if ( info == 'cookies' ) {
    expires ='';
    Set_Cookie( 'cookie_test', 'it_worked' , expires, '', '', '' );
    string = '<br /><strong>Cookies:</strong><br />';
    if ( Get_Cookie( 'cookie_test' ) ) {
      string += 'Cookies are enabled<br/><font color="#00C000">Passed</font>';
    } else {
      string += 'Cookies are disabled<br/><font color="#FF0000">Failed</font>';
    }
    document.write( string );
  }
}