function changeTitle(currentTitle) {

	var restring = "^\\[.+\\] - ";
	var re = new RegExp(restring, "g");
	var newCurrentTitle = currentTitle.replace(re, "");
	
	// revert to original title if a match isn't found
	if (newCurrentTitle) {
		return newCurrentTitle;
	} else {
		return currentTitle;
	}
}

function convertTitles(newsletters,monthlength) {
		for(i=0;i<=newsletters;i++) {
			currentId = 'news' + i;
			currentTitle = document.getElementById(currentId).innerHTML;
			document.getElementById(currentId).innerHTML = changeTitle(currentTitle);
		}
	}