function show_hide_layer( whichLayer ) {
	if ( document.getElementById ) {
		// this is the way the standards work
		var element = document.getElementById( whichLayer );
	}
	else if ( document.all ) {
		// this is the way old msie versions work
		var element = document.all[ whichLayer ];
	}
	else if ( document.layers ) {
		// this is the way nn4 works
		var element = document.layers[ whichLayer ];
	}
	// zmiana widoczno�ci elementu je�li istnieje
	// && element.style != null
	if ( element != null ) {
		//alert( 'whichLayer=' + whichLayer + ' => element.style.display=' + element.style.display );
		element.style.display = element.style.display ? "" : "block";
	}
}

function show_layer( whichLayer ) {
	if ( document.getElementById ) {
		// this is the way the standards work
		var element = document.getElementById( whichLayer );
	}
	else if ( document.all ) {
		// this is the way old msie versions work
		var element = document.all[ whichLayer ];
	}
	else if ( document.layers ) {
		// this is the way nn4 works
		var element = document.layers[ whichLayer ];
	}
	// zmiana widoczno�ci elementu je�li istnieje
	// && element.style != null
	if ( element != null ) {
		element.style.display = "block";
	}
}

function hide_layer( whichLayer ) {
	if ( document.getElementById ) {
		// this is the way the standards work
		var element = document.getElementById( whichLayer );
	}
	else if ( document.all ) {
		// this is the way old msie versions work
		var element = document.all[ whichLayer ];
	}
	else if ( document.layers ) {
		// this is the way nn4 works
		var element = document.layers[ whichLayer ];
	}
	// zmiana widoczności elementu jeżeli istnieje
	// && element.style != null
	if ( element != null ) {
		element.style.display = "";
	}
}

function rotate_embed() {
	//return false;
	var divs=document.getElementById('banners').getElementsByTagName('div');
	var selected=0;
	var count=0;
	//alert(divs.length);
	for(var i=0; i < divs.length; i++) {
		if (divs[i].className.match('banner')) {
			if (divs[i].style.display=='block') {
				selected=count;
				//alert(selected);
			}
			count++;
		}
	}
	if (selected==(count-1)) {
		var selected_next=0;
	} else {		
	    var selected_next=selected+1;
	}
	var count=0;
	for(var i=0; i < divs.length; i++) {
		if (divs[i].className.match('banner')) {
			if (count==selected_next) {
				divs[i].style.display='block';
			} else {
				divs[i].style.display='none';
			}
			count++;
		}
	}
	setTimeout(function () { rotate_embed();},15000);
}
function rotate_embed2() {
	//return false;
	var divs=document.getElementById('banners2').getElementsByTagName('div');
	var selected=0;
	var count=0;
	//alert(divs.length);
	for(var i=0; i < divs.length; i++) {
		if (divs[i].className.match('banner')) {
			if (divs[i].style.display=='block') {
				selected=count;
				//alert(selected);
			}
			count++;
		}
	}
	if (selected==(count-1)) {
		var selected_next=0;
	} else {		
	    var selected_next=selected+1;
	}
	var count=0;
	for(var i=0; i < divs.length; i++) {
		if (divs[i].className.match('banner')) {
			if (count==selected_next) {
				divs[i].style.display='block';
			} else {
				divs[i].style.display='none';
			}
			count++;
		}
	}
	setTimeout(function () { rotate_embed2();},15000);
}
var oldonload = window.onload;
window.onload = function js() {
	if (typeof window.onload == 'function'){
		oldonload;
	}
	if(document.getElementById('banners')) { setTimeout(function () { rotate_embed();},15000);}
	if(document.getElementById('banners2')) { setTimeout(function () { rotate_embed2();},15000);}
	initTip();
}