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){
	
		willa_off = new Image();
		willa_off.src = "gfx/des/butt/m_off_03.gif";
		willa_on = new Image();
		willa_on.src = "gfx/des/butt/m_on_03.gif";	
		
		apartamenty_off = new Image();
		apartamenty_off.src = "gfx/des/butt/m_off_04.gif";
		apartamenty_on = new Image();
		apartamenty_on.src = "gfx/des/butt/m_on_04.gif";	
		
		atrakcje_off = new Image();
		atrakcje_off.src = "gfx/des/butt/m_off_05.gif";
		atrakcje_on = new Image();
		atrakcje_on.src = "gfx/des/butt/m_on_05.gif";	
		
		ceny_off = new Image();
		ceny_off.src = "gfx/des/butt/m_off_06.gif";
		ceny_on = new Image();
		ceny_on.src = "gfx/des/butt/m_on_06.gif";	
		
		kontakt_off = new Image();
		kontakt_off.src = "gfx/des/butt/m_off_07.gif";
		kontakt_on = new Image();
		kontakt_on.src = "gfx/des/butt/m_on_07.gif";									
								
	}

function displayWindow(url, width, height) {
window.open(url,"displayWindow",'width=' + width + ',height=' + height + ',resizable=no,scrollbars=no,menubar=no, top='+((screen.availHeight/2)-(height/2))+',left='+((screen.availWidth/2)-(width/2)));
}