function obrazki(Url,width,height){
	width = width + 20;
	height = height + 20;
	selector = open(Url,"Powiększenie","width="+width+",height="+
	height+",screenX=0,screenY=0,scrollbars=no");
	selector.focus();
}

function drukuj(Url){
	width = 680;
	height = 330;
	selector = open(Url,"Powiększenie","width="+width+",height="+
	height+",screenX=0,screenY=0,scrollbars=yes");
	selector.focus();
}
function przewodnik(){
	width = 640;
	height = 480;
	selector = open("/przewodnik/przewod3.html","Przewodnik","width="+width+",height="+ height+
	",screenX=0,screenY=0,scrollbars=no");
	selector.focus();
}
function potwierdzSkasowanie(confirmMsg)
{
        // or browser is Opera (crappy js implementation)
	if ( typeof(window.opera) != 'undefined') {
		return true;
	 }
	
	var is_confirmed = confirm(confirmMsg);
	if (is_confirmed) {
		return true;
	}
	else {
		return false;
	}
}