function prefillClear(field) {
	if ('search'==field.value) {field.value = '';}
 	else if (field.value == '') {field.value = 'search';}
}

/// Replaces commonly-used Windows 1252 encoded chars that do not exist in ASCII or ISO-8859-1 with ISO-8859-1 cognates.
var replaceWordChars = function(text) {
    var s = text;
    // smart single quotes and apostrophe
    s = s.replace(/[\u2018|\u2019|\u201A]/g, "\'");
    // smart double quotes
    s = s.replace(/[\u201C|\u201D|\u201E]/g, "\"");
    // ellipsis
    s = s.replace(/\u2026/g, "...");
    // dashes
    s = s.replace(/[\u2013|\u2014]/g, "-");
    // circumflex
    s = s.replace(/\u02C6/g, "^");
    // open angle bracket
    s = s.replace(/\u2039/g, "<");
    // close angle bracket
    s = s.replace(/\u203A/g, ">");
    // spaces
    s = s.replace(/[\u02DC|\u00A0]/g, " ");
    
    return s;
}