/*
	Kwicks for jQuery (version 1.5.1)
	Copyright (c) 2008 Jeremy Martin
	http://www.jeremymartin.name/projects.php?project=kwicks
	
	Licensed under the MIT license:
		http://www.opensource.org/licenses/mit-license.php

	Any and all use of this script must be accompanied by this copyright/license notice in its present form.
*/
(function($){
	$.fn.kwicks=function(n){
		var p={isVertical:false,sticky:false,defaultKwick:0,event:'mouseover',spacing:0,duration:500};
		var o=$.extend(p,n);
		var q=(o.isVertical?'height':'width');
		var r=(o.isVertical?'top':'left');
		return this.each(function(){
			container=$(this);
			var k=container.children('li');
			var l=k.eq(0).css(q).replace(/px/,'');
//			alert('max - ' + o.max + '\t min - ' + o.min + '\t k -' + k.size()+ '\t L -' + l);
			if(!o.max){
				o.max=(l*k.size())-(o.min*(k.size()-1))
			}else{
				o.min=((l*k.size())-o.max)/(k.size()-1); 
//				alert(o.max + '\t' + o.min + '\t' + k.size())
			}
			if(o.isVertical){
				container.css({width:k.eq(0).css('width'),height:(l*k.size())+(o.spacing*(k.size()-1))+'px'})
			}else{
				container.css({width:(l*k.size())+(o.spacing*(k.size()-1))+'px',height:k.eq(0).css('height')})
			}
			var m=[];
			for(i=0;i<k.size();i++){
				m[i]=[];
				for(j=1;j<k.size()-1;j++){
					if(i==j){
						m[i][j]=o.isVertical?j*o.min+(j*o.spacing):j*o.min+(j*o.spacing)
					}else{
						m[i][j]=(j<=i?(j*o.min):(j-1)*o.min+o.max)+(j*o.spacing)}}
					}
					k.each(function(i){
						var h=$(this);if(i===0){h.css(r,'0px')
					}else if(i==k.size()-1){
						h.css(o.isVertical?'bottom':'right','0px')
					}else{
						if(o.sticky){h.css(r,m[o.defaultKwick][i])
					}else{
						h.css(r,(i*l)+(i*o.spacing))}
					}
					if(o.sticky){
						if(o.defaultKwick==i){
							h.css(q,o.max+'px');
							h.addClass('active')
						}else{
							h.css(q,o.min+'px')
						}
					}
					h.css({margin:0,position:'absolute'});
					h.bind(o.event,function(){
						var c=[];
						var d=[];
						k.stop().removeClass('active');
						for(j=0;j<k.size();j++){
							c[j]=k.eq(j).css(q).replace(/px/,'');
							d[j]=k.eq(j).css(r).replace(/px/,'')
						}
						var e={};
						e[q]=o.max;
						var f=o.max-c[i];
						var g=c[i]/f;
						h.addClass('active').animate(e,{
							step:function(a){
								var b=f!=0?a/f-g:1;
								k.each(function(j){
									if(j!=i){
										k.eq(j).css(q,c[j]-((c[j]-o.min)*b)+'px')
									}
									if(j>0&&j<k.size()-1){
										k.eq(j).css(r,d[j]-((d[j]-m[i][j])*b)+'px')
									}
								})
							}, duration:o.duration,easing:o.easing
						})
					})
				});
				if(!o.sticky){
					container.bind("mouseleave",function(){
						var c=[];
						var d=[];
						k.removeClass('active').stop();
						for(i=0;i<k.size();i++){
							c[i]=k.eq(i).css(q).replace(/px/,'');
							d[i]=k.eq(i).css(r).replace(/px/,'')
						}
						var e={};
						e[q]=l;
						var f=l-c[0];
						k.eq(0).animate(e,{
							step:function(a){
								var b=f!=0?(a-c[0])/f:1;
								for(i=1;i<k.size();i++){
								k.eq(i).css(q,c[i]-((c[i]-l)*b)+'px');
								if(i<k.size()-1){
									k.eq(i).css(r,d[i]-((d[i]-((i*l)+(i*o.spacing)))*b)+'px')
								}
							}
						},duration:o.duration,easing:o.easing
					})
				})
			}
		})
	}
})(jQuery);