String.prototype.ReplaceAll = stringReplaceAll;
function stringReplaceAll(AFindText,ARepText){
raRegExp = new RegExp(AFindText,"ig");
return this.replace(raRegExp,ARepText)
}
function sb() {
var s = document.getElementById("tt").value;
s = s.ReplaceAll("and","wuyu_and_wuyu");
s = s.ReplaceAll("count","wuyu_count_wuyu");
s = s.ReplaceAll("or","wuyu_or_wuyu");
s = s.ReplaceAll("for","wuyu_for_wuyu");
}