var messagenetscope="Impossible to copy the image"
function disableclick(e) {
if (document.all) {
if (event.button==2||event.button==3) {
if (event.srcElement.tagName=="IMG"){
alert(messagenetscope);
return false;
}
}
}
if (document.layers) {
if (e.which == 3) {
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.layers)
associateimages()

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}