function replaceSubstring(inputString, fromString, toString) {
	// Goes through the inputString and replaces every occurrence of fromString with toString
	var temp = inputString;
	if (fromString == "") {
		return inputString;
	}
	if (toString.indexOf(fromString) == -1) {     // If the string being replaced is not a part of the replacement string (normal situation)
		while (temp.indexOf(fromString) != -1) {
			var toTheLeft = temp.substring(0, temp.indexOf(fromString));
			var toTheRight = temp.substring(temp.indexOf(fromString)+fromString.length, temp.length);
			temp = toTheLeft + toString + toTheRight;
		}
	} else {    // String being replaced is part of replacement string (like "+" being replaced with "++") - prevent an infinite loop
		var midStrings = new Array("~", "`", "_", "^", "#");
		var midStringLen = 1;
		var midString = "";
		while (midString == "") {
			for (var i=0; i<midStrings.length; i++) {
				var tempMidString = "";
				for (var j=0; j<midStringLen; j++) { tempMidString += midStrings[i]; }
				if (fromString.indexOf(tempMidString) == -1) {
					midString = tempMidString;
					i = midStrings.length + 1;
				}
			}
		}
		while (temp.indexOf(fromString) != -1) {
			var toTheLeft = temp.substring(0, temp.indexOf(fromString));
			var toTheRight = temp.substring(temp.indexOf(fromString)+fromString.length, temp.length);
			temp = toTheLeft + midString + toTheRight;
		}
		while (temp.indexOf(midString) != -1) {
			var toTheLeft = temp.substring(0, temp.indexOf(midString));
			var toTheRight = temp.substring(temp.indexOf(midString)+midString.length, temp.length);
			temp = toTheLeft + toString + toTheRight;
		}
	}
	return temp;
}   // Ends the "replaceSubstring" function