$(document).ready(function(){

	// hover tlacitka
	$('.hoverable').mouseover(function(){
		$(this).css({'background-position':'0px -42px'});
	}).mouseout(function(){
		$(this).css({'background-position':'0px 0px'});
	});
	
	$('.tipBox').click(function(){
		$(this).fadeOut('fast');
	});
	
});

function open_page(targetlocation)
{
        return window.open(targetlocation);
}