/**
 * Vereinfachte Behandlung von Cookies in JavaScript
 */

var Cookie = {
	
	set: function( name, value, expires, path, domain, secure ) 
	{
		// set time, it's in milliseconds
		var today = new Date();
		today.setTime( today.getTime() );
		
		if ( expires )
		{
			expires *= 1000;
		}
		
		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" : "" );
	},
	
	get: function( 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 = '';
		
		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 )
			{
				// 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;
			}
			a_temp_cookie = null;
			cookie_name = '';
		}
	},
	
	unset: function( name, path, domain )
	{
		if ( Cookie.get( name ) ) document.cookie = name + "=" +
			( ( path ) ? ";path=" + path : "") +
			( ( domain ) ? ";domain=" + domain : "" ) +
			";expires=Thu, 01-Jan-1970 00:00:01 GMT";
	}
}