function doReplace(ssv,sfv,rwv) {
	var Pool = ''; 
	for ( i = 0; i < ssv.length; i++ ) { 
		GetString = ssv.substring ( i , i+1); 

		if ( GetString == sfv ) {
			// Checks if previous was a blank space and removes it (only so that a user can't send two blanks in a row)
			if ( ssv.substring ( i-1, i ) ==  ' ' ) {
				Pool = Pool;
			}	
			else {
				Pool = Pool +  rwv;
			}
		} 
		else {   
			Pool = Pool + GetString;
		}
	} 
	return Pool
}
//Rightback
function rightBack(fullstring, startstring) {
	startstring += "";
	var position = fullstring.indexOf(startstring);
	if ( startstring != "" && position >-1 ) {
		while ( position >-1 ) {
			fullstring = fullstring.substring(position + startstring.length, fullstring.length)
			position = fullstring.indexOf(startstring)
		}
		return fullstring
	} else {
		return fullstring
	}
}
//Left
function left ( fullstring, substring ) {
	if (fullstring==nada || fullstring=="") {
		return ""
	} else {
		if (fullstring.indexOf(substring) > 0) 
			return (fullstring.substring(0,fullstring.indexOf(substring)))
		else
			return fullstring	
	}
}