var table=function(){
	function sorter(n){
		this.n=n; this.t; this.b; this.r; this.d; this.p; this.w; this.a=[]; this.l=0;
	}
	sorter.prototype.init=function(t,f){
		this.t=document.getElementById(t);
		this.b=this.t.getElementsByTagName('tbody')[0];
		this.r=this.b.rows; var l=this.r.length;
		for(var i=0;i<l;i++){
			if(i==0){
				var c=this.r[i].cells; this.w=c.length;
				for(var x=0;x<this.w;x++){
					if(c[x].className!='nosort'){
						c[x].className='head';
						c[x].onclick=new Function(this.n+'.work(this.cellIndex)')
					}
				}
			}else{
				this.a[i-1]={}; this.l++;
			}
		}
		if(f!=null){
			var a=new Function(this.n+'.work('+f+')'); a()
		}
	}
	sorter.prototype.work=function(y){
		this.b=this.t.getElementsByTagName('tbody')[0]; this.r=this.b.rows;
		var x=this.r[0].cells[y],i;
		for(i=0;i<this.l;i++){
			this.a[i].o=i+1; 
			var v=this.r[i+1].cells[y].firstChild;
			while (v != null && v.nodeType != 3)
				v = v.firstChild;
			this.a[i].value=(v!=null)?v.nodeValue:''
		}
		for(i=0;i<this.w;i++){
			var c=this.r[0].cells[i];
			if(c.className!='nosort'){c.className='head'}
		}
		if(this.p==y){
			this.a.reverse(); x.className=(this.d)?'asc':'desc';
			this.d=(this.d)?false:true
		}else{
			this.p=y; this.a.sort(compare); x.className='asc'; this.d=false
		}
		var n=document.createElement('tbody');
		n.appendChild(this.r[0]);
		for(i=0;i<this.l;i++){
			var r=this.r[this.a[i].o-1].cloneNode(true);
			n.appendChild(r); r.className=(i%2==0)?'even':'odd'
		}
		this.t.replaceChild(n,this.b)
	}
	
	function exPL(x){
		return x.toLowerCase().replace(/[ąęśćółńżź]/g,function(s){
		  return(s=='ą'?'a':s=='ę'?'e':s=='ś'?'s':s=='ć'?'c':
		  s=='ó'?'o':s=='ł'?'l':s=='ń'?'n':s=='ż'?'z':'zz')+'z'})	
	} 	
	
	function compare(f,c){
		f=f.value;
		c=c.value;
		f=exPL(f);
		c=exPL(c);
		return f>c?1:f<c?-1:0;
	}
	
	return{sorter:sorter}
}();