function DR_SwapClass(id, classString) {
    theClass = findId(id);
    theClassName = theClass.className;
    if (!theClassName.match(classString)) {
        theClassName_on = theClassName + classString;
        theClass.className = theClassName_on;
    }
}

function DR_SwapClassRestore() {
    theClass.className = theClassName;
}

$(function(){
	$("#selectJobFairs").change(function(){
	    $(".interview_info").hide();
	    var selected = $("#selectJobFairs")[0].selectedIndex-1;
	    $("#interview_info" + selected).show();
	});
});