//wylaczenie prawego przycisku myszy na img
    var clickmessage="Prawa autorskie!"

    function disableclick(e) {
    if (document.all) {
    if (event.button==2||event.button==3) {
    if (event.srcElement.tagName=="IMG"){
    alert(clickmessage);
    return false;
    }
    }
    }
    else if (document.layers) {
    if (e.which == 3) {
    alert(clickmessage);
    return false;
    }
    }
    else if (document.getElementById){
    if (e.which==3&&e.target.tagName=="IMG"){
    alert(clickmessage)
    return false
    }
    }
    }

    function associateimages(){
    for(i=0;i<document.images.length;i++)
    document.images[i].onmousedown=disableclick;
    }

    if (document.all)
    document.onmousedown=disableclick
    else if (document.getElementById)
    document.onmouseup=disableclick
    else if (document.layers)
    associateimages()