function Sleft(inputString, keyString){
	fixedReplace = "";
	UI = inputString.toUpperCase();
	UB = keyString.toUpperCase();
	badEnd = -1;
	badLoc = UI.indexOf(UB);
	if (badLoc != -1) {
		fixedReplace = fixedReplace + inputString.substring((badEnd + 1), badLoc);
	} else { 
		fixedReplace = inputString;    
	}
	return fixedReplace;
}

function Sright(inputString, keyString){
	fixedReplace = "";
	UI = inputString.toUpperCase();
	UB = keyString.toUpperCase();
	badEnd = -1;
	badLoc = UI.indexOf(UB);
	if (badLoc != -1) {
		fixedReplace = fixedReplace + inputString.substring(badLoc+UB.length , inputString.length); 
	} else { 
		fixedReplace = inputString;    
	}
	return fixedReplace;
}

function replaceSubstring (inputString, badString,goodString, caseSensitive) {
	fixedReplace = "";
	UI = inputString;
	UB = badString;
	if ((caseSensitive != 1) && (caseSensitive != true)) {
		UI = inputString.toUpperCase();
		UB = badString.toUpperCase();
	}
	badEnd = -1;
	badLoc = UI.indexOf(UB);
	if (badLoc != -1) {
		for (x=1; (badLoc != -1); x++) {
			fixedReplace = fixedReplace + inputString.substring((badEnd + 1), badLoc) + goodString
			badEnd = badLoc + UB.length - 1;
			badLoc = UI.indexOf(UB, (badLoc + 1)); 
		}
		fixedReplace = fixedReplace + inputString.substring((badEnd + 1), inputString.length); 
	} else { 
		fixedReplace = inputString;    
	}
	return fixedReplace;
}