// JavaScript Document
function setKeywordStyle(target,yes){
	if(yes){
		if(document.getElementById(target).value == '輸入關鍵字'){
			document.getElementById(target).value = '';
		}
	}else{
		if(trim(document.getElementById(target).value) == ''){
			document.getElementById(target).value = '輸入關鍵字';
		}
	}
}