var googlewin=dhtmlwindow.open("whatsonbox", "iframe", "http://www.radiosetan.com/whatson.html", "Whats On RadioSetan", "width=550px,height=500px,left=0px,top=0px,resize=1,scrolling=1", "recal")

googlewin.onclose=function(){ //Run custom code when window is being closed (return false to cancel action):
return window.confirm("Tutup window ini?")
}