if (document.images) {
home_on = new Image();
home_on.src = "img/home_on.gif";
home_off = new Image();
home_off.src = "img/home_off.gif";
specialita_on = new Image();
specialita_on.src = "img/specialita_on.gif";
specialita_off = new Image();
specialita_off.src = "img/specialita_off.gif";
ambiente_on = new Image();
ambiente_on.src = "img/ambiente_on.gif";
ambiente_off = new Image();
ambiente_off.src = "img/ambiente_off.gif";
contatti_on = new Image();
contatti_on.src = "img/contatti_on.gif";
contatti_off = new Image();
contatti_off.src = "img/contatti_off.gif";


}
function changeImage(imgNam, newImg) {
	if (document.images)
		document[imgNam].src = newImg;
}
function rollOver(name, status) {
    changeImage(name, eval(name + '_' + status + '.src'));
}


function targetBlank (url) {
  blankWin = window.open(url,'_blank','menubar=yes,toolbar=yes,location=yes,directories=yes,fullscreen=no,titlebar=yes,hotkeys=yes,status=yes,scrollbars=yes,resizable=yes');
}