function openImg(id,f,imgW,imgH) {
var winWidth = eval(imgW)+20;
var winHeight = eval(imgH)+30;
var x = 0;
var y = 0;
x = (screen.availWidth - 12 - winWidth) / 2;
y = (screen.availHeight - 48 - winHeight) / 2;
var features = "screenX=" + x + ",screenY=" + y + ",width=" + winWidth +",height=" + winHeight+",top="+y+",left="+x+"'";
copWindow = window.open("", "anab",features);
copWindow.document.write("\nwww.musichunter.it\n");
copWindow.document.write("\n");
copWindow.document.write("");
copWindow.document.write("![](/"+f+"?id="+id+" "clicca per chiudere")
\n");
copWindow.document.write("\n");
}