//This script checks to see whether an online course icon is present in the page content area
//and if so adds the footnote to the page describing the icon meaning
var mainarea_content = document.getElementById("mainarea_content");
var mainarea_elements = mainarea_content.getElementsByTagName("img");
if (mainarea_elements.length != 0) {
	var numCoursesOnline = 0; 
	for (i=0; i<mainarea_elements.length; i++) {
		if (mainarea_elements[i].getAttribute("src") == "/images/onlineicon.gif") {
			numCoursesOnline++
		}
	}
	if (numCoursesOnline > 0) {
		document.write("<p><img src=\"../images/onlineicon.gif\" alt=\"Available Online\" height=\"15\" width=\"15\" /> Course is also available online.</p>");
	}
}