var helpWindow;
function instructorHelpWindow(topic){
    var left = (screen.width - 310)/2;
    var top = (screen.height - 250)/2;
    var url = "in-help.html?topic=" + topic;
	helpWindow = window.open(url, "pophelp", "toolbar=no,location=no,directories=no,scrollbars=yes,resizable=yes,width=620,height=500,left=" + left +",top=" + top)
	helpWindow.focus();
}

function studentHelpWindow(topic){
    var left = (screen.width - 310)/2;
    var top = (screen.height - 250)/2;
    var url = "user-help.html?topic=" + topic;
	helpWindow = window.open(url, "pophelp", "toolbar=no,location=no,directories=no,scrollbars=yes,resizable=yes,width=620,height=500,left=" + left +",top=" + top)
	helpWindow.focus();
}