$(function() {
	$('#comment-write').addClass('comment-closed').hide();
	
	function openComment() {
		$('#comment-link').html('Schließen');
		$('#comment-write').addClass('comment-opened').removeClass('comment-closed').stop().slideDown();
	};
		
	 function closeComment() {
		$('#comment-link').html('Kommentar verfassen');
		$('#comment-write').addClass('comment-closed').removeClass('comment-opened').stop().slideUp();
	};

	$('#comment-link').click(function() {
		
		if( $('#comment-write').hasClass('comment-closed') ) {
			openComment();
			return false;
		}
		if ( $('#comment-write').hasClass('comment-opened') ) {
			closeComment();
			return false;
		}
		else {
			return false;
		};

	});

/* Hides Login Panel */
	$('#login-panel').addClass('login-closed').hide();
	
	function openLogin() {
		$('#login-link').html('Schließen');
		$('#login-panel').addClass('login-opened').removeClass('login-closed').stop().slideDown();
	};
		
	 function closeLogin() {
		$('#login-link').html(' ');
		$('#login-panel').addClass('login-closed').removeClass('login-opened').stop().slideUp();
	};

	$('#login-link').click(function() {
		
		if( $('#login-panel').hasClass('login-closed') ) {
			openLogin();
			return false;
		}
		if ( $('#login-panel').hasClass('login-opened') ) {
			closeLogin();
			return false;
		}
		else {
			return false;
		};

	});
	
	$('#login-panel input[type=submit]').click(function() {
		closeLogin();
		return;
	});
	
	
	$('div#logo h1 a').hover(function() {
		$(this).stop().animate({'padding-top':'10px', backgroundPosition:"(0 18px)"}, 200);
	},function(val) {
		$(this).stop().animate({'padding-top':'0px', backgroundPosition:"(0 8px)"}, 200);
	});
	
	$('div#navigation li a').hover(function() {
		$(this).stop().animate({backgroundPosition:"(0 42px)"}, 200);
	}, function() {
		$(this).stop().animate({backgroundPosition:"(0 26px)"}, 200);
	});
	
	$("a.fancybox").fancybox({
		'titlePosition'		: 'inside'
	});
});


/** PLUGIN
 * @author Alexander Farkas
 * v. 1.21
 */

(function($) {
	if(!document.defaultView || !document.defaultView.getComputedStyle){ // IE6-IE8
		var oldCurCSS = jQuery.curCSS;
		jQuery.curCSS = function(elem, name, force){
			if(name === 'background-position'){
				name = 'backgroundPosition';
			}
			if(name !== 'backgroundPosition' || !elem.currentStyle || elem.currentStyle[ name ]){
				return oldCurCSS.apply(this, arguments);
			}
			var style = elem.style;
			if ( !force && style && style[ name ] ){
				return style[ name ];
			}
			return oldCurCSS(elem, 'backgroundPositionX', force) +' '+ oldCurCSS(elem, 'backgroundPositionY', force);
		};
	}
	
	var oldAnim = $.fn.animate;
	$.fn.animate = function(prop){
		if('background-position' in prop){
			prop.backgroundPosition = prop['background-position'];
			delete prop['background-position'];
		}
		if('backgroundPosition' in prop){
			prop.backgroundPosition = '('+ prop.backgroundPosition;
		}
		return oldAnim.apply(this, arguments);
	};
	
	function toArray(strg){
		strg = strg.replace(/left|top/g,'0px');
		strg = strg.replace(/right|bottom/g,'100%');
		strg = strg.replace(/([0-9\.]+)(\s|\)|$)/g,"$1px$2");
		var res = strg.match(/(-?[0-9\.]+)(px|\%|em|pt)\s(-?[0-9\.]+)(px|\%|em|pt)/);
		return [parseFloat(res[1],10),res[2],parseFloat(res[3],10),res[4]];
	}
	
	$.fx.step. backgroundPosition = function(fx) {
		if (!fx.bgPosReady) {
			var start = $.curCSS(fx.elem,'backgroundPosition');
			
			if(!start){//FF2 no inline-style fallback
				start = '0px 0px';
			}
			
			start = toArray(start);
			
			fx.start = [start[0],start[2]];
			
			var end = toArray(fx.options.curAnim.backgroundPosition);
			fx.end = [end[0],end[2]];
			
			fx.unit = [end[1],end[3]];
			fx.bgPosReady = true;
		}
		//return;
		var nowPosX = [];
		nowPosX[0] = ((fx.end[0] - fx.start[0]) * fx.pos) + fx.start[0] + fx.unit[0];
		nowPosX[1] = ((fx.end[1] - fx.start[1]) * fx.pos) + fx.start[1] + fx.unit[1];           
		fx.elem.style.backgroundPosition = nowPosX[0]+' '+nowPosX[1];

	};
})(jQuery);