// JavaScript Document
// ตรวจสอบตัวเลข 0 - 9
function Event_KeyNum() {
	if (event.keyCode < 48 || event.keyCode > 57) {
		event.returnValue = false;
	}
} 
// ตรวจสอบคำหยาบ (รับค่าเป็นคอนโทรล)
function chkword(txtObj) {
	var strParse = txtObj.value
	for (i = 0; i < textm.length; i++) {
		strParse = replace(strParse,textm[i],"")
	}
	return txtObj.value = strParse;
}
var textm = new Array("บ้า","เลว","มึง","ไอ้ห่า","ฉิบหาย","ตีน","กวนตีน","ไอ้สัตว์","หี","ควย","เหี้ย","เย็ด")
function replace(str, original, replacement) {
	var result = "";
	while (str.indexOf(original) != -1) {
		if (str.indexOf(original) > 0)
			result = result + str.substring(0, str.indexOf(original)) + replacement;
		else
			result = result + replacement;
		str = str.substring(str.indexOf(original) + original.length, str.length);
	}
	return result + str;
}
// ตรวจสอบ email (รับค่าเป็นตัวอักษร)
function chkmail(email) {
	if (email!="") {
		if (email.indexOf("'",0) > -1) {
			return false ;
		}
		atPos=email.indexOf("@",1) ;
		if (atPos==-1) {
			return false ;
		}
		if (email.indexOf("@",atPos + 1) > -1) {
		return false ;
		}
		periodPos=email.indexOf(".",atPos) ;
		if ((periodPos-atPos)<1) {
		return false ;
		}
		if (periodPos == -1) {
			return false ;
		}
	}
	return true;
}
function validEMail(form) {
	var Email = form.txtEmail
	var str = Email.value;
	var strArray = str.split("@");
	var result = false;
	
	if (strArray.length == 2 && str.length > 5) {
		var temp0 = strArray[0].split(".");
		var temp1 = strArray[1].split(".");
		if (temp0.length < 3 && temp1.length > 1) result = true;
	} 
	if (result == false) {
		alert("ข้อมูลอีเมล์ไม่ถูกต้อง");
		Email.focus();
		Email.select(); 
		return false;
	}
}