function Navigation() {

    var nav = new Object();
	
    nav.sHtml = '';
    nav.oParameters = new Object();
				
    nav.iJsFunction = 1; 		//liczba rekord?w na stronie
    nav.iPageCount = 0; 		//liczba rekord?w na stronie
    nav.iAllCount = 0; 	  		//liczba wszystkich rekord?w
    nav.iAllPages = 0;   	  	//liczba wszystkich stron
    nav.iNumPage = 0;       	//numer biez?cej strony
    nav.sParamPage = '';		// nazwa parametru strony
    nav.sLeft  = '<span class="left">&nbsp;</span>'; 	//strzalki w lewo
    nav.sRight = '<span class="right">&nbsp;</span>'; 	//strzalki w prawo
    nav.iLpp = 4;
    nav.sScriptName = 'getPage';  //nazwa skryptu do ktorego maja byc generowane linki
    nav.sExtraParam = ''; 					//dodatakowe parametry jakie maja byc obecne w linku
    nav.sNavType = 'static' //static or ajax

	
    nav.sBetween = '<span>...</span>';
    nav.sCssLeftRight = 'class="leftright"'; //dodawane jako styl do link?w lewej i prawej strza?ki
    nav.sCssSelected = 'class="selected"';
	

    /** Ustawia paramteray **/
    nav.handleArguments = function(args) {
        for (var i in args) {
            if (typeof(nav[i]) == "undefined") {
                nav.oParameters[i] = args[i];
            }
            else {
                nav[i] = args[i];
            }
        }
    };
	
	
    /** Ustawia link z paramterami i opcja wywolania funckji **/
    nav.setLink = function(iPage) {

        var sLink = '';

        if(iPage != '') {
            if(this.sParamPage != ''){
                sLink += this.sParamPage + '=' + iPage;
            }
            else{
                sLink += iPage;
            }
        }
		
        if(this.sExtraParam != ''){
            sLink += this.sNavType=='static' ? '&' + this.sExtraParam : ',' + this.sExtraParam;
        }
		
			
        if(this.iJsFunction == 1){
            sLink = 'javascript:' + this.sScriptName + '(' + sLink + ')';
        }
        else{
            sLink = this.sScriptName + sLink;
        }
			
        return sLink;
    }

	
    /*
    Wyswietlenie belki nawigacyjnej do stronicowania
   */
    nav.makeHTML = function(){

        this.sHtml = '';
	
        if (!this.iPageCount) {
            this.iPageCount = 25;
        }
		
        this.iAllPages = Math.floor(this.iAllCount/this.iPageCount);

        if (this.iAllCount % this.iPageCount) {
            this.iAllPages++;
        }
			
        if (this.iAllPages > 1) {

			
            var tmp = 0;
	  
            if (this.iNumPage >= this.iAllPages - this.iLpp) {
                max = this.iAllPages;
                tmp = this.iLpp + 1 - (this.iAllPages - this.iNumPage);
            }
            else {
                max = this.iNumPage + this.iLpp + 1;
            }
	  
            if (this.iNumPage <= this.iLpp) {
                min = 1;
                max += this.iLpp - this.iNumPage + 1;
                if (max > this.iAllPages) {
                    max = this.iAllPages;
                }
            }
            else {
                //min = this.iNumPage - this.iLpp;
                min = this.iLpp;
            }
		
            min -= tmp;

            if (min < 1){
                min = 1;
            }
			
            // strzalka w lewo
            if (this.iNumPage > 1){
                this.sHtml += '<a href="'+this.setLink(this.iNumPage-1)+'" '+this.sCssLeftRight+'>'+this.sLeft+'</a>';
            }
			
            // linki do stron
            for (i=min;i<max;i++) {
                if (i == this.iNumPage) {
                    this.sHtml += '<span '+this.sCssSelected+'>'+i+'</span>';
                }
                else {
                    this.sHtml += '<a href="'+this.setLink(i)+'">'+i+'</a>';
                }
            }

            if(this.iAllPages < 4){
                this.sBetween = '';
            }
			

            //ostatnia strona
            if (this.iNumPage == this.iAllPages) {
                this.sHtml += this.sBetween+'<span class="selected">'+this.iAllPages+'</span>';
            }
            else {
                this.sHtml += this.sBetween+'<a href="'+this.setLink(this.iAllPages)+'">'+this.iAllPages+'</a>';
            }

            //strzalka w prawo
            if (this.iNumPage < this.iAllPages) {
                this.sHtml += '<a href="'+this.setLink(this.iAllPages)+'" '+this.sCssLeftRight+'>'+this.sRight+'</a>';
            }

            this.sHtml += '&nbsp;';

        }
        else{
            this.sHtml = '';
        }
    }
	
    return nav;
}


Navigation.get = function(args) {
    var nav = Navigation.setParam(args);
    return nav;
};


Navigation.setParam = function(args) {
    if (typeof(args) != "undefined" && args != null) {
        var myNav = new Navigation();
        myNav.handleArguments(args);
        return myNav;
    }
};