function isNumberKey(evt)
{
	var charCode = (evt.which) ? evt.which : event.keyCode
	if (charCode > 31 && (charCode < 48 || charCode > 57))
		return false;
	else
    	return true;
}

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" : "" );

}


function Get_Cookie( check_name ) {
	// first we'll split this cookie up into name/value pairs
	// note: document.cookie only returns name=value, not the other components
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false; // set boolean t/f default f

	for ( i = 0; i < a_all_cookies.length; i++ )
	{
		// now we'll split apart each name=value pair
		a_temp_cookie = a_all_cookies[i].split( '=' );


		// and trim left/right whitespace while we're at it
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');

		// if the extracted name matches passed check_name
		if ( cookie_name == check_name )
		{
			b_cookie_found = true;
			// we need to handle case where cookie has no value but exists (no = sign, that is):
			if ( a_temp_cookie.length > 1 )
			{
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			// note that in cases where cookie is initialized but no value, null is returned
			return cookie_value;
			break;
		}
		a_temp_cookie = null;
		cookie_name = '';
	}
	if ( !b_cookie_found )
	{
		return null;
	}
}


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 copyToClipboard (Source){
		Source.select();
		Source.focus();
		document.execCommand('Copy');
}

function rotate(photo_id, flock_id, angle){

	var timestamp = new Date();
	var ms = timestamp.getMilliseconds();

	$('tb_rotate_r').stopObserving('click');
	$('tb_rotate_l').stopObserving('click');
    $('tb_delete').stopObserving('click');

	new Ajax.Updater('progress', '/ajax/rotate',
	{
		onCreate: function()
		{
		$('progress').innerHTML='<img src="/static/german/loader_small_trans.gif" align="absmiddle" /> Bild wird gedreht...';
		},
		onComplete: function(transport)
		{
		if (200 == transport.status) {

			$('tb_rotate_r').observe('click', function() {
					rotate(uniqid,'<?=$flock->uniqid?>',90);
		        })

		    $('tb_rotate_l').observe('click', function() {
					rotate(uniqid,'<?=$flock->uniqid?>',270);
		        })

			$('tb_delete').observe('click', function() {
					if (window.confirm('Soll das Foto wirklich aus diesem Flock entfernt werden?')) {
						photo_delete(uniqid, '<?=$flock->uniqid?>');
						}
		        })

			window.location = '/flock/'+flock_id+'/'+photo_id+'/'+ms;
		}
		},
		parameters: { photo_id: photo_id, flock_id: flock_id, angle: angle }
	});


}

function photo_delete(photo_id, flock_id){

	new Ajax.Updater('comments', '/ajax/photo_remove',
	{
		onCreate: function() {
			$('progress').innerHTML='<img src="http://flockshots.de/static/german/loader_small_trans.gif">';
		},
		onComplete: function(transport)
		{
			if (200 == transport.status) window.location='/flock/'+flock_id;
		},
		parameters: { photo_id: photo_id, flock_id: flock_id }
	})

}



Ajax.InPlaceEditorWithEmptyText = Class.create(Ajax.InPlaceEditor, {

  initialize : function($super, element, url, options) {

    if (!options.emptyText)        options.emptyText      = "Ohne Titel";
    if (!options.emptyClassName)   options.emptyClassName = "inplaceeditor-empty";

    $super(element, url, options);

    this.checkEmpty();
  },

  checkEmpty : function() {

    if (this.element.innerHTML.length == 0 && this.options.emptyText) {

      this.element.appendChild(
          new Element("span", { className : this.options.emptyClassName }).update(this.options.emptyText)
        );
    }

  },

  getText : function($super) {

    if (empty_span = this.element.select("." + this.options.emptyClassName).first()) {
      empty_span.remove();
    }

    return $super();

  },

  onComplete : function($super, transport) {

    this.checkEmpty();
    return $super(transport);

  }

});