function radio() {
w = 338
h = 143
window.open("http://www.risorseinternet.it/myservices/radio.htm", "popup", "height="+h+",width="+w+",toolbar=no,scrollbars=no,left="+((screen.width-w)/2)+",top="+((screen.height-h)/2))
}
document.write('<a href="JAVASCRIPT:radio()"><img border="0" src="http://www.risorseinternet.it/tasti/radio/3.gif"></a>');