function msover(name)
{	if (document.images)
	{	document.images[name].src = eval (name + "_on.src");
	}
}

function msout(name)
{	if (document.images)
	{	document.images[name].src = eval (name + "_off.src");
	}
}

			if (document.images){
				onas_off = new Image();
				onas_off.src = "gfx/des/butt/onas_off.gif";
				onas_on = new Image();
				onas_on.src = "gfx/des/butt/onas_on.gif";
				
				liga_off = new Image();
				liga_off.src = "gfx/des/butt/liga_off.gif";
				liga_on = new Image();
				liga_on.src = "gfx/des/butt/liga_on.gif";
				
				galeria_off = new Image();
				galeria_off.src = "gfx/des/butt/galeria_off.gif";
				galeria_on = new Image();
				galeria_on.src = "gfx/des/butt/galeria_on.gif";	
				
				cennik_off = new Image();
				cennik_off.src = "gfx/des/butt/cennik_off.gif";
				cennik_on = new Image();
				cennik_on.src = "gfx/des/butt/cennik_on.gif";	
				
				kontakt_off = new Image();
				kontakt_off.src = "gfx/des/butt/kontakt_off.gif";
				kontakt_on = new Image();
				kontakt_on.src = "gfx/des/butt/kontakt_on.gif";	
				
				onas2_off = new Image();
				onas2_off.src = "gfx/des/butt/onas2_off.gif";
				onas2_on = new Image();
				onas2_on.src = "gfx/des/butt/onas2_on.gif";
				
				liga2_off = new Image();
				liga2_off.src = "gfx/des/butt/liga2_off.gif";
				liga2_on = new Image();
				liga2_on.src = "gfx/des/butt/liga2_on.gif";
				
				galeria2_off = new Image();
				galeria2_off.src = "gfx/des/butt/galeria2_off.gif";
				galeria2_on = new Image();
				galeria2_on.src = "gfx/des/butt/galeria2_on.gif";	
				
				cennik2_off = new Image();
				cennik2_off.src = "gfx/des/butt/cennik2_off.gif";
				cennik2_on = new Image();
				cennik2_on.src = "gfx/des/butt/cennik2_on.gif";	
				
				kontakt2_off = new Image();
				kontakt2_off.src = "gfx/des/butt/kontakt2_off.gif";
				kontakt2_on = new Image();
				kontakt2_on.src = "gfx/des/butt/kontakt2_on.gif";	
				
				blauge_off = new Image();
				blauge_off.src = "gfx/des/butt/blauge_off.gif";
				blauge_on = new Image();
				blauge_on.src = "gfx/des/butt/blauge_on.gif";
				
				facebook_off = new Image();
				facebook_off.src = "gfx/des/butt/facebook_off.gif";
				facebook_on = new Image();
				facebook_on.src = "gfx/des/butt/facebook_on.gif";
				
			}

function EnablePopUp(url)
{
   var popup = document.getElementById("popup");
   var windowWidth = document.documentElement.clientWidth;
   var windowHeight = document.documentElement.clientHeight;

   var close = document.getElementById("popupClose");
   close.setAttribute('href','#');

   popup.onclick = function()
   {
      if(url != '') window.open(url, '_blank');
      DisablePopUp(); return false;
   }



	 popup.style.display = 'block';

	 var top = windowHeight/2 - popup.offsetHeight/2;
	 var left = windowWidth/2 - popup.offsetWidth/2;


	 close.style.zIndex = '2000';
	 close.style.left = popup.offsetWidth-30+'px';
	 popup.style.top = top+'px';
	 popup.style.left = left+'px';

}

function DisablePopUp() {
   document.getElementById('popup').style.display = 'none';
}