/*
zoomer
bgiframe
dimension
easing

*/
(function($){


$.fn.zoomer = function(container) {
	var container = container || "body";
	var zoomEl;
	var zoomImg;
	var closeText = 'klik for at lukke billedet';
	var image = new Image();
	var startPos = {};
	var endPos = {};
	var preloading = false;
	var zooming = false;
	var fluffX = 0;
	var fluffY = 0;

	function zoomIn() {
		//break out functions here
	}
	function zoomOut() {
		//break out functions here
	}
	function preload(el) {
		image = new Image();
		preloading = true;
		image.onload=function(){
			preloading = false;
		}
		image.src = el.href;
	}
	
	function init() {
		zoomEl = $("#zoomEl");
		zoomImg = $("#zoomElImg");
		zoomClose = $("#zoomElClose");

		
		//fix for IE6: stops select boxes from showing through.
		//a IE6-specific rule in the css is neccessary for the img inside zoomEl:
		//* html #zoomElImg {filter:Alpha(Opacity='100');}
		if(typeof($.fn.bgIframe) == "function")
			$("#zoomEl, #zoomElClose").bgIframe();
		

		zoomClose.click(function(){zoomEl.click()})
		//possible to filter even more on .png, .jpg, .gif?
		$(container + ' a[@rel="zoom"]').each(function(){
			$(this).mouseover(function(){
				preload(this);
			})
			.css('position','relative')
			.append('<span class="zoomIcon"></span>');

			$(this).click(function(){
				
				if(preloading==true) {
					//alert('hold on... preloading!');
					//return false;
				} else {
					var thumb = null;
					thumb = $(this).children("img:first");
					if (thumb.length==0) {thumb = $(this); //not a thumb, but an href!
					} else {
					}
					
					startPos = $(thumb).offset();					

					aspectRatio = (image.width/image.height);
					startPos.width = thumb.width();
					startPos.height = thumb.height();
					if (aspectRatio > 1) {
						startPos.height = parseInt(startPos.height / aspectRatio)
					} else {
						startPos.width = parseInt(startPos.width / aspectRatio)
					}
					startPos.opacity = 0;
					//fluff: calculate extra padding/border on the zoomEl
					fluffX = (parseInt(zoomEl.css("paddingLeft")) || 0) + (parseInt(zoomEl.css("paddingRight")) || 0) + (parseInt(zoomEl.css("borderLeftWidth")) || 0) + (parseInt(zoomEl.css("borderRightWidth")) || 0);
					fluffY = (parseInt(zoomEl.css("paddingTop")) || 0) + (parseInt(zoomEl.css("paddingBottom")) || 0) + (parseInt(zoomEl.css("borderTopWidth")) || 0) + (parseInt(zoomEl.css("borderBottomWidth")) || 0);
					
					
					var leftPos = ($(window).width() - image.width - fluffX) / 2 + $(window).scrollLeft();
					// var topPos = ($(window).height() - image.height - fluffY) / 2 + $(window).scrollTop();					
					// Temporarilly fixing the $(window).height()  error - simply using scroll and  /TORK 2007.12.27
					var topPos = ($(window).scrollTop() + (400 - ( image.height / 2) )  ) ;
					
					if(topPos < 10) topPos = 10; //compensating for the close button.
					if(leftPos < 0) leftPos = 0;

					endPos = {width: image.width, height: image.height, top: topPos, left: leftPos, opacity:1};
					// console.log(endPos)
					
					if(zooming) return false;
					$(zoomClose).hide();
					zoomImg.attr("src",image.src);
					zoomEl.css(startPos);
					zooming=true;
					zoomEl.animate(endPos, 300, "easeOutExpo", function(){
						zooming = false;
						var off = zoomEl.offset({margin:0, border:0, padding:0, scroll:1});
						//zoomEl.css('overflow','visible');
						$(document).bind('keydown', function(e){
							var key = e.which || e.keyCode || -1;
							if (key == 27) {
								zoomEl.click();
								$(document).unbind('keydown');
							}
						});
						
						zoomClose.css({display:'block',top: off.top-11, left: off.left+zoomEl.width()}).fadeIn(100);
						//a bug in firefox makes the end of the animation shaky if fadeIn() is removed.
					});
				}
				//prevent normal behaviour
				return false;
			});
		});
		
		zoomEl.click(function(){
			if(zooming) return;
			zooming = true;
			$(zoomClose).hide(); 
			//$(zoomClose).hide(10); //delay for safari...
			$(this).animate(startPos, 400, "easeOutExpo", function(){
				zooming = false; 
				$(this).hide();
			});
			return false;
		});
	} // end init
	
	//Create zoom container elements
	$("body").append('<div id="zoomElClose">X</div><div id="zoomEl" title="' + closeText + '"><img id="zoomElImg" src="../css/img/btn-zoom.gif" width="100%" height="100%" /></div>');
	$("#zoomElClose").hide();	

	//run initialisation thingy
	init();	
}
})(jQuery);


//initialize on document.ready...
$(function(){
	//either narrow it down a bit: $().zoomer('#content');
	//It defaults to "body":
	$("body").zoomer();
});




/* Copyright (c) 2006 Brandon Aaron (http://brandonaaron.net)
* Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) 
* and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
*
* $LastChangedDate: 2007-07-21 18:44:59 -0500 (Sat, 21 Jul 2007) $
* $Rev: 2446 $
*
* Version 2.1.1
*/
(function($){
	$.fn.bgIframe = $.fn.bgiframe = function(s) {
		// This is only for IE6
		if ( $.browser.msie && /6.0/.test(navigator.userAgent) ) {
			s = $.extend({
				top     : 'auto', // auto == .currentStyle.borderTopWidth
				left    : 'auto', // auto == .currentStyle.borderLeftWidth
				width   : 'auto', // auto == offsetWidth
				height  : 'auto', // auto == offsetHeight
				opacity : true,
				src     : 'javascript:false;'
			}, s || {});
			var prop = function(n){return n&&n.constructor==Number?n+'px':n;},
			    html = '<iframe class="bgiframe" frameborder="0" tabindex="-1" src="'+s.src+'"'+
			               'style="display:block;position:absolute;z-index:-1;'+
				               (s.opacity !== false?'filter:Alpha(Opacity=\'0\');':'')+
						       'top:'+(s.top=='auto'?'expression(((parseInt(this.parentNode.currentStyle.borderTopWidth)||0)*-1)+\'px\')':prop(s.top))+';'+
						       'left:'+(s.left=='auto'?'expression(((parseInt(this.parentNode.currentStyle.borderLeftWidth)||0)*-1)+\'px\')':prop(s.left))+';'+
						       'width:'+(s.width=='auto'?'expression(this.parentNode.offsetWidth+\'px\')':prop(s.width))+';'+
						       'height:'+(s.height=='auto'?'expression(this.parentNode.offsetHeight+\'px\')':prop(s.height))+';'+
						'"/>';
			return this.each(function() {
				if ( $('> iframe.bgiframe', this).length == 0 )
					this.insertBefore( document.createElement(html), this.firstChild );
			});
		}
		return this;
	};

})(jQuery);


/* Copyright (c) 2007 Paul Bakaus (paul.bakaus@googlemail.com) and Brandon Aaron (brandon.aaron@gmail.com || http://brandonaaron.net)
 * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
 * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
 *
 * $LastChangedDate: 2007-12-20 08:46:55 -0600 (Thu, 20 Dec 2007) $
 * $Rev: 4259 $
 *
 * Version: 1.2
 *
 * Requires: jQuery 1.2+
 */
(function($){
$.dimensions = {
	version: '1.2'
};

// Create innerHeight, innerWidth, outerHeight and outerWidth methods
$.each( [ 'Height', 'Width' ], function(i, name){
	
	// innerHeight and innerWidth
	$.fn[ 'inner' + name ] = function() {
		if (!this[0]) return;
		
		var torl = name == 'Height' ? 'Top'    : 'Left',  // top or left
		    borr = name == 'Height' ? 'Bottom' : 'Right'; // bottom or right
		
		return this.is(':visible') ? this[0]['client' + name] : num( this, name.toLowerCase() ) + num(this, 'padding' + torl) + num(this, 'padding' + borr);
	};
	
	// outerHeight and outerWidth
	$.fn[ 'outer' + name ] = function(options) {
		if (!this[0]) return;
		
		var torl = name == 'Height' ? 'Top'    : 'Left',  // top or left
		    borr = name == 'Height' ? 'Bottom' : 'Right'; // bottom or right
		
		options = $.extend({ margin: false }, options || {});
		
		var val = this.is(':visible') ? 
				this[0]['offset' + name] : 
				num( this, name.toLowerCase() )
					+ num(this, 'border' + torl + 'Width') + num(this, 'border' + borr + 'Width')
					+ num(this, 'padding' + torl) + num(this, 'padding' + borr);
		
		return val + (options.margin ? (num(this, 'margin' + torl) + num(this, 'margin' + borr)) : 0);
	};
});

// Create scrollLeft and scrollTop methods
$.each( ['Left', 'Top'], function(i, name) {
	$.fn[ 'scroll' + name ] = function(val) {
		if (!this[0]) return;
		
		return val != undefined ?
		
			// Set the scroll offset
			this.each(function() {
				this == window || this == document ?
					window.scrollTo( 
						name == 'Left' ? val : $(window)[ 'scrollLeft' ](),
						name == 'Top'  ? val : $(window)[ 'scrollTop'  ]()
					) :
					this[ 'scroll' + name ] = val;
			}) :
			
			// Return the scroll offset
			this[0] == window || this[0] == document ?
				self[ (name == 'Left' ? 'pageXOffset' : 'pageYOffset') ] ||
					$.boxModel && document.documentElement[ 'scroll' + name ] ||
					document.body[ 'scroll' + name ] :
				this[0][ 'scroll' + name ];
	};
});

$.fn.extend({
	position: function() {
		var left = 0, top = 0, elem = this[0], offset, parentOffset, offsetParent, results;
		
		if (elem) {
			// Get *real* offsetParent
			offsetParent = this.offsetParent();
			
			// Get correct offsets
			offset       = this.offset();
			parentOffset = offsetParent.offset();
			
			// Subtract element margins
			offset.top  -= num(elem, 'marginTop');
			offset.left -= num(elem, 'marginLeft');
			
			// Add offsetParent borders
			parentOffset.top  += num(offsetParent, 'borderTopWidth');
			parentOffset.left += num(offsetParent, 'borderLeftWidth');
			
			// Subtract the two offsets
			results = {
				top:  offset.top  - parentOffset.top,
				left: offset.left - parentOffset.left
			};
		}
		
		return results;
	},
	
	offsetParent: function() {
		var offsetParent = this[0].offsetParent;
		while ( offsetParent && (!/^body|html$/i.test(offsetParent.tagName) && $.css(offsetParent, 'position') == 'static') )
			offsetParent = offsetParent.offsetParent;
		return $(offsetParent);
	}
});

function num(el, prop) {
	return parseInt($.curCSS(el.jquery?el[0]:el,prop,true))||0;
};

})(jQuery);




/*
 * jQuery EasIng v1.1.2 - http://gsgd.co.uk/sandbox/jquery.easIng.php
 *
 * Uses the built In easIng capabilities added In jQuery 1.1
 * to offer multiple easIng options
 *
 * Copyright (c) 2007 George Smith
 * Licensed under the MIT License:
 *   http://www.opensource.org/licenses/mit-license.php
 */

// t: current time, b: begInnIng value, c: change In value, d: duration

jQuery.extend( jQuery.easing,
{
	easeInQuad: function (x, t, b, c, d) {
		return c*(t/=d)*t + b;
	},
	easeOutQuad: function (x, t, b, c, d) {
		return -c *(t/=d)*(t-2) + b;
	},
	easeInOutQuad: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t + b;
		return -c/2 * ((--t)*(t-2) - 1) + b;
	},
	easeInCubic: function (x, t, b, c, d) {
		return c*(t/=d)*t*t + b;
	},
	easeOutCubic: function (x, t, b, c, d) {
		return c*((t=t/d-1)*t*t + 1) + b;
	},
	easeInOutCubic: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t*t + b;
		return c/2*((t-=2)*t*t + 2) + b;
	},
	easeInQuart: function (x, t, b, c, d) {
		return c*(t/=d)*t*t*t + b;
	},
	easeOutQuart: function (x, t, b, c, d) {
		return -c * ((t=t/d-1)*t*t*t - 1) + b;
	},
	easeInOutQuart: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t*t*t + b;
		return -c/2 * ((t-=2)*t*t*t - 2) + b;
	},
	easeInQuint: function (x, t, b, c, d) {
		return c*(t/=d)*t*t*t*t + b;
	},
	easeOutQuint: function (x, t, b, c, d) {
		return c*((t=t/d-1)*t*t*t*t + 1) + b;
	},
	easeInOutQuint: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t*t*t*t + b;
		return c/2*((t-=2)*t*t*t*t + 2) + b;
	},
	easeInSine: function (x, t, b, c, d) {
		return -c * Math.cos(t/d * (Math.PI/2)) + c + b;
	},
	easeOutSine: function (x, t, b, c, d) {
		return c * Math.sin(t/d * (Math.PI/2)) + b;
	},
	easeInOutSine: function (x, t, b, c, d) {
		return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b;
	},
	easeInExpo: function (x, t, b, c, d) {
		return (t==0) ? b : c * Math.pow(2, 10 * (t/d - 1)) + b;
	},
	easeOutExpo: function (x, t, b, c, d) {
		return (t==d) ? b+c : c * (-Math.pow(2, -10 * t/d) + 1) + b;
	},
	easeInOutExpo: function (x, t, b, c, d) {
		if (t==0) return b;
		if (t==d) return b+c;
		if ((t/=d/2) < 1) return c/2 * Math.pow(2, 10 * (t - 1)) + b;
		return c/2 * (-Math.pow(2, -10 * --t) + 2) + b;
	},
	easeInCirc: function (x, t, b, c, d) {
		return -c * (Math.sqrt(1 - (t/=d)*t) - 1) + b;
	},
	easeOutCirc: function (x, t, b, c, d) {
		return c * Math.sqrt(1 - (t=t/d-1)*t) + b;
	},
	easeInOutCirc: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return -c/2 * (Math.sqrt(1 - t*t) - 1) + b;
		return c/2 * (Math.sqrt(1 - (t-=2)*t) + 1) + b;
	},
	easeInElastic: function (x, t, b, c, d) {
		var s=1.70158;var p=0;var a=c;
		if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
		if (a < Math.abs(c)) { a=c; var s=p/4; }
		else var s = p/(2*Math.PI) * Math.asin (c/a);
		return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
	},
	easeOutElastic: function (x, t, b, c, d) {
		var s=1.70158;var p=0;var a=c;
		if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
		if (a < Math.abs(c)) { a=c; var s=p/4; }
		else var s = p/(2*Math.PI) * Math.asin (c/a);
		return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
	},
	easeInOutElastic: function (x, t, b, c, d) {
		var s=1.70158;var p=0;var a=c;
		if (t==0) return b;  if ((t/=d/2)==2) return b+c;  if (!p) p=d*(.3*1.5);
		if (a < Math.abs(c)) { a=c; var s=p/4; }
		else var s = p/(2*Math.PI) * Math.asin (c/a);
		if (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
		return a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b;
	},
	easeInBack: function (x, t, b, c, d, s) {
		if (s == undefined) s = 1.70158;
		return c*(t/=d)*t*((s+1)*t - s) + b;
	},
	easeOutBack: function (x, t, b, c, d, s) {
		if (s == undefined) s = 1.70158;
		return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
	},
	easeInOutBack: function (x, t, b, c, d, s) {
		if (s == undefined) s = 1.70158; 
		if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
		return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
	},
	easeInBounce: function (x, t, b, c, d) {
		return c - jQuery.easing.easeOutBounce (x, d-t, 0, c, d) + b;
	},
	easeOutBounce: function (x, t, b, c, d) {
		if ((t/=d) < (1/2.75)) {
			return c*(7.5625*t*t) + b;
		} else if (t < (2/2.75)) {
			return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
		} else if (t < (2.5/2.75)) {
			return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
		} else {
			return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
		}
	},
	easeInOutBounce: function (x, t, b, c, d) {
		if (t < d/2) return jQuery.easing.easeInBounce (x, t*2, 0, c, d) * .5 + b;
		return jQuery.easing.easeOutBounce (x, t*2-d, 0, c, d) * .5 + c*.5 + b;
	}
});