function chkContact(frm){
	var x = document.getElementById("Image_Value").value;
	var y = document.getElementById("Image_Answer").value;
	var x = x.toLowerCase();
	var y = y.toLowerCase();

	if ((frm.ContactName.value.length == 0)||(frm.Location.value.length == 0)||(frm.Email.value.length == 0)||(frm.PhoneNo.value.length == 0)||(frm.Image_Answer.value.length == 0)||(frm.LearnFrom.value.length == 0)){
		alert("\uC774\uB984, \uAD6D\uAC00, \uC774\uBA54\uC77C, \uC804\uD654\uBC88\uD638\uC640 \uBCF4\uC548\uBB38\uC790\uAC00 \uD544\uC694\uD569\uB2C8\uB2E4. \uD574\uB2F9\uB780\uC744 \uBA3C\uC800 \uAE30\uC785\uD574\uC8FC\uC138\uC694.");
		return false;
	}

	if (frm.Email.value.indexOf("@") == -1){
		alert("\uc815\ud655\ud55c \uc774\uba54\uc77c \uc8fc\uc18c\ub97c \uae30\uc7ac\ud574\uc8fc\uc2ed\uc2dc\uc624.");
		frm.Email.focus();
		return false;
	}

	if (x != y){
		alert("\uBCF4\uC548\uBB38\uC790\uAC00 \uC77C\uCE58\uD558\uC9C0 \uC54A\uC2B5\uB2C8\uB2E4. \uB2E4\uC2DC \uC785\uB825\uD574\uC8FC\uC138\uC694.");
		frm.Image_Answer.focus();
		return false;
	}
}

function chkSubscribe(frm){
	if ((frm.Firstname.value.length == 0)||(frm.Lastname.value.length == 0)||(frm.Email.value.length == 0)||(frm.eadd2.value.length == 0)){
		alert("\uc131, \uc774\ub984\uacfc \uc774\uba54\uc77c\uc744 \uae30\uc7ac\ud558\uc2e0 \ud6c4 \ubcf4\ub0b4\uc8fc\uc2ed\uc2dc\uc624.");
		return false;
	}

	if (frm.Email.value.indexOf("@") == -1){
		alert("\uc815\ud655\ud55c \uc774\uba54\uc77c \uc8fc\uc18c\ub97c \uae30\uc7ac\ud574\uc8fc\uc2ed\uc2dc\uc624.");
		frm.Email.focus();
		return false;
	}
	
	if (document.getElementById("Email").value != document.getElementById("eadd2").value){
		alert("\uc774\uba54\uc77c \uc8fc\uc18c\uac00 \uc77c\uce58\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub2e4\uc2dc \uae30\uc7ac\ud574\uc8fc\uc2ed\uc2dc\uc624.");
		frm.Email.focus();
		return false;
	}
}

function chkMailFriend(frm){
	if (frm.tomail.value.length == 0){
		alert("\uc218\ub839\uc778\uc758 \uc774\uba54\uc77c\uc744 \uae30\uc7ac\ud558\uc2e0\ud6c4 \ubcf4\ub0b4\uc8fc\uc2ed\uc2dc\uc624.");
		return false;
	}
	else {
		if (frm.tomail.value.indexOf("@") == -1){
			alert("\uc815\ud655\ud55c \uc774\uba54\uc77c \uc8fc\uc18c\ub97c \uae30\uc7ac\ud574\uc8fc\uc2ed\uc2dc\uc624.");
			frm.tomail.focus();
			return false;
		}
	}
}

function showTextBox(Option) {
	if ((Option.value == "Attended event/exhibition")||(Option.value == "Saw advertisement in print media")||(Option.value == "Saw online advertisement")||(Option.value == "Read an article about Crown")||(Option.value == "Read a Crown publication")||(Option.value == "Yellow pages/business directory in print media")||(Option.value == "Yellow pages/business directory online")||(Option.value == "Other")){
		document.getElementById("Other").style.display = "block";
	}
	else {
		document.getElementById("Other").style.display = "none";
	}
}