function popBack(extlink) {
	if (window.opener && !window.opener.closed) { 
		window.opener.location.href = extlink;
		window.opener.focus();
	}
	else {
		
		
		openwindow=window.open(extlink,'otherWindow','height=700,width=950,scrollbars=yes,toolbar=yes,menubar=yes,location=yes,resizable=yes,status=yes');
		openwindow.focus();
	}
}

function popUp(otherlink) {
	
	if (otherlink)
	{
	openwindow=window.open(otherlink,'newWindow','top=20,left=20,height=700,width=950,scrollbars=yes,toolbar=yes,menubar=yes,location=yes,resizable=yes,status=yes');
		openwindow.focus();
	}

}