Kod: Zaznacz cały

function tooltip() {
                var links = document.getElementsByTagName('a');
                var divs = document.getElementsByTagName('div');
                for(var i=0; i < links.length; i++) {
                    var attrValue = links[i].getAttribute('href');
                    for(var j=0; j < divs.length; j++) {
                        var idValue = '#' + divs[j].getAttribute('id'); 
                        if(attrValue == idValue){
                        links[i].onclick = function() {
                                if(divs[j].style.display == 'block') {
                                    divs[j].style.display = 'none';
                                } else {
                                    divs[j].style.display = 'block';
                                }
                            }
                        }
                    }
                }
            }