function opWin(url,nam,w,h,k) {
	specs = "toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,copyhistory=no,scrollbars=" + k + ",width=" + w + ",height=" + h;
	window.open(url,nam,specs);
}

function popUp(u,w,h) {
	var winl = (screen.width-w)/2;
	var wint = (screen.height-h)/2;
	if (winl < 0) winl = 0;
	if (wint < 0) wint = 0;
	mmusa_popup = window.open(u, 'mmusa_popup', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=1,width='+w+',height='+h+',top='+wint+',left='+winl+'');
	mmusa_popup.focus();
	return false;
}