function show_JRdiv(div_id) {
    // hide all the divs
	document.getElementById('jobseekersTab').style.display = 'none'; //  Jobseekers
    document.getElementById('recruitersTab').style.display = 'none'; // Recruiters
	document.getElementById('popSearchesTab').style.display = 'none'; // Popular Searches
	// show the requested div
    document.getElementById(div_id).style.display = 'block';
}