function checkEmail(ob){
	ob.value=ob.value.replace(" ","");
	ob.value=ob.value.replace(" ","");
	ob.value=ob.value.replace(" ","");
	ob.value=ob.value.replace(" ","");
	ob.value=ob.value.replace(" ","");
	ob.value=ob.value.replace("~","");	
	ob.value=ob.value.replace("!","");	
	ob.value=ob.value.replace("#","");		
	ob.value=ob.value.replace("$","");
	ob.value=ob.value.replace("%","");
	ob.value=ob.value.replace("^","");
	ob.value=ob.value.replace("&","");
	ob.value=ob.value.replace("*","");
	ob.value=ob.value.replace("(","");
	ob.value=ob.value.replace(")","");
	return true;
}


function vldemail(ob) {
	if (ob.value.indexOf("@")==-1) {
		ErrMsg = ErrMsg+"您的email格式有誤!\n";
		ob.select();
		return false;		
	} else if (ob.value.indexOf(".")==-1) {
		ErrMsg = ErrMsg+"您的email格式有誤!\n";
		ob.select();
		return false;
	}
	return true; 
}

function checkdata() {
	ErrMsg = "";
	if(document.savForm.comment.value=="")	{
		ErrMsg = ErrMsg+"請輸入 您的意見!\n";
	}
	if(document.savForm.name.value=="")	{
		ErrMsg = ErrMsg+"請輸入 您的大名!\n";
	}
	if(document.savForm.telno.value=="")	{
		ErrMsg = ErrMsg+"請輸入 您的連絡電話!\n";
	}
	if(document.savForm.email.value=="")	{
		ErrMsg = ErrMsg+"請輸入 email!\n";
	}else{
		vldemail(document.savForm.email);
		checkEmail(document.savForm.email);
	}

	if(document.savForm.check_num.value=="")	{
		ErrMsg = ErrMsg+"請輸入 確認碼!\n";
	} else {

		if(document.savForm.check_num.value.length>0 && document.savForm.check_num.value.length<5)	{
			ErrMsg = ErrMsg+"抱歉，確認碼未完整輸入!\n";
		}
	}

	if(ErrMsg!="")	{
		alert(ErrMsg);
		return false;
	}
	else {
		return true;
	}
}