var newWin = null
function showURL() {
	args = showURL.arguments;
	jurl = args[0];
	if (args.length > 1) {
		win_x = args[1];
		win_y = args[2];
	} else {
		win_x = "750";
		win_y = "600"
	}
	if (!newWin || newWin.closed) {
		newWin = window.open(jurl,"","toolbar=yes,status=yes,width="+win_x+",height="+win_y+",directories=no,scrollbars=yes,location=yes,resizable=yes,menubar=yes");
		newWin.name = "myWin";
		newWin.focus();
	} else {
		newWin.location.href = jurl;
		newWin.focus();	
	}
}