function searchFilter (input) {
		s = input.value;
		//filteredValues = '@#$^<?>/';     // Characters stripped out
		filteredValues = '^';
		var i;
		var returnString = '';
		for (i = 0; i < s.length; i++) {  // Search through string and append unfiltered values to returnString.
		var c = s.charAt(i);
		if (filteredValues.indexOf(c) == -1) returnString += c;
		}
		input.value = returnString;
	}