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 isValidEMail(theEMail) {
	var regexp = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
	return regexp.test(theEMail);
}

function chkAll(theForm){
	
	var msg="";
	var kw = theForm.KeyWord.value=trim(theForm.KeyWord.value);

	msg+=theForm.KeyWord.value==''||theForm.KeyWord.value=='請輸入關鍵字'?"請輸入關鍵字\n":""

	if(msg!=""){
		alert(msg);
		return false;
	}
	
}