var backButton = null;

// will enable javascript:history.back() for this button, if found on page 
function initBackButton() {
	anchorElements = document.getElementsByTagName("a");
	
	if (anchorElements && anchorElements.length) {
		for(i=0; i<anchorElements.length; i++) {
			if (anchorElements[i].rel && anchorElements[i].rel == "back") {
				anchorElements[i].href = "javascript:history.back()";
			}
		}
	}
}