function trim(theString){
	while(theString.substr(0,1)==" ")
		theString=theString.substr(1);

	while(theString.substr(theString.length-1,1)==" ")
		theString=theString.substr(0,theString.length-1);

	return theString;
}

function chkSearch(theForm){

	var msg="";
	var j=0;

	var kw=theForm.KeyWord.value=trim(theForm.KeyWord.value);
	kw=theForm.KeyWord.value=kw==theForm.KeyWord.defaultValue?"":kw;

	msg+=kw==""?(++j)+". 請輸入關鍵字\n":"";

if(msg!=""){
		alert("請檢查以下項目\n\n"+msg);
	}
	else{
		theForm.submit();   
	}
}