function changeVisibility(co,force,test)
{
	co=document.getElementById(co);
    if (test>0 || test<0) {
		if (force!=test) {co.style.display='none';} else {co.style.display='';}
    }
    else if (force=='') {
		co.style.display=='none' ? co.style.display='' : co.style.display='none';
	}
	else {
		force==true ? force='hide' : force='show';
		if (force=='show') {co.style.display='';}
		else if (force=='hide') {co.style.display='none';}
	}
}


function changeVisibilityAndSave(co,force,test)
{
	changeVisibility(co,force,test);
	
	co=document.getElementById(co);
	setCookie(co.id, co.style.display, 365);
	
	if (co.style.display=='none') {
		document.getElementById('sb_show_hide').innerHTML='pokaż';}
	else {
		document.getElementById('sb_show_hide').innerHTML='ukryj';}
}
 
function setCookie(name, value, expires)
{
	var today = new Date();
	today.setTime( today.getTime() );

	if ( expires )
	{
		expires = expires * 1000 * 60 * 60 * 24;
	}
	var expires_date = new Date( today.getTime() + (expires) );

	document.cookie = name + "=" +escape( value ) +
	( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" );
}

function showTab(rating,tab)
{
	document.getElementById(rating+'1').style.display = 'none';
	document.getElementById(rating+'2').style.display = 'none';
	document.getElementById(rating+'3').style.display = 'none';
	document.getElementById(rating+tab).style.display = ''; 
	
	document.getElementById(rating+'Tab1').className = '';
	document.getElementById(rating+'Tab2').className = '';
	document.getElementById(rating+'Tab3').className = '';
	document.getElementById(rating+'Tab'+tab).className = 'tabActive';
}

function showCommentPage(page)
{
	document.getElementById('komentarze'+page).style.display = ''; 
	document.getElementById('komentarze-btn'+page).className = 'pageActive';
	
	for (i=1; i<=50; i++)
	{
		if (i!=page)
		{
		document.getElementById('komentarze'+i).style.display = 'none';
		document.getElementById('komentarze-btn'+i).className = 'pageHidden';
		}
	}
}