var PolitykaPrywatnosci = new Class({
    initialize: function(button_okno){
        this.buttonOkno = button_okno;
        this.okno =  this.buttonOkno.replace('button_okno','okno')
        this.bodyMask;
        this.bodyMask = new Mask($('body'));
        
        $(button_okno).addEvent('click', (function(){
            this.showWindow( this.okno )
            
        }).bind(this))
        
        this.bodyMask.addEvent('click', (function(){
            this.hideWindow( this.okno )
            this.hideWindow('polityka_prywatnosci_okno')
        }).bind(this))
        
        $('polityka_prywatnosci_okno_close').addEvent('click', (function(){
            this.hideWindow('polityka_prywatnosci_okno')
        }).bind(this))
        
    },
    
    showWindow:function(okno){
       $(okno).inject(document.body, 'top')
        this.bodyMask.show();
        window_h =window.getScroll().y+window.getSize().y;
        document.getElement('.mask').setStyle('height',window_h+'px')
        
              
        scrollTop = window.getScroll().y;
        windowWidth = window.getSize().x;
        windowHeight = window.getSize().y;
        $(okno).setStyle('opacity','0');
        $(okno).setStyle('display','block');
        thisWinWidth = $(okno).offsetWidth;
        thisWinHeight = $(okno).offsetHeight;
        $(okno).setStyle('opacity','1');
        $(okno).setStyle('margin-top',scrollTop+ (windowHeight-thisWinHeight)/2);
        $(okno).setStyle('left',(windowWidth-thisWinWidth)/2);

    },
    
    hideWindow:function(okno){
        $(okno).setStyle('display','none');
       
        this.bodyMask.hide();
        
    }
    
    
   
})