function isnumberic(s){

	var str="01234556789";
	var i, l, ch;
	l=s.length;
	for(i=0; i<l; i++)
	{
		ch=s.charAt(i);
		if(str.indexOf(ch)==-1)
		return false;
	}
	return true;
}
function check_register(){
	
	var f = document.frm_register;
	var de = /^\w+([\.-]?\w+)+$/;
	var strmail = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
	if(f.txtUser.value=='') {
		document.getElementById("id_username").innerHTML = "Please input your User-ID !";
		f.txtUser.focus();
		return false;
	}	
	if (!(de.test(f.txtUser.value))) {	
		document.getElementById("id_username").innerHTML = "User-ID not input with charactor special!";
		f.txtUser.focus();
		return false;
	}	
	if (f.txtUser.value.length<4) {	
		document.getElementById("id_username").innerHTML = "User-ID least 4 charactor!";
		f.txtUser.focus();
		return false;
	}		
	if(f.user_pass.value=='') {
		document.getElementById("id_pass").innerHTML = "Please input your Password";
		f.user_pass.focus();
		return false;
	}
	if (f.user_pass.value.length<6) {	
		document.getElementById("id_pass").innerHTML = "Password least 6 charactor!";
		f.user_pass.focus();
		return false;
	}			
	if(f.user_repass.value=='') {
		document.getElementById("id_repass").innerHTML = "Please input Confirm-Password!";
		f.user_repass.focus();
		return false;
	}
	if(f.user_pass.value != f.user_repass.value) {
		document.getElementById("id_repass").innerHTML = "Confirm-Password wrong!";
		f.user_repass.focus();
		return false;
	}
	if(f.user_email.value=='') {
		document.getElementById("id_email").innerHTML = "Please input your email!";
		f.user_email.focus();
		return false;
	}
	if(f.user_email.value.indexOf("@")<0 || f.user_email.value.indexOf(".")<0) {
		document.getElementById('id_email').innerHTML='Email input Wrong!';
		f.user_email.focus();
		return false;
	}
	if (!strmail.test(f.user_email.value)) {
		document.getElementById('id_email').innerHTML='Email input Wrong!';
		f.user_email.focus();
		return false;
	}	
	if(f.user_fullname.value=='') {
		document.getElementById("id_fullname").innerHTML = "Please input your Fullname!";
		f.user_fullname.focus();
		return false;
	}	
	if(!isnumberic(f.year.value)) {
		document.getElementById('id_year').innerHTML='Year of birth only input Number !';
		f.year.focus();
		return false;
	}	
	if((f.year.value>2000)||(f.year.value<1900)&&(f.year.value>0)) {
		document.getElementById('id_year').innerHTML='Year of birth input wrong !';
		f.year.focus();
		return false;
	}		
	if(!isnumberic(f.month.value)) {	
		document.getElementById('id_month').innerHTML='Month of birth only input Number !';
		f.month.focus();
		return false;
	}	
	if((f.month.value>12)||(f.month.value<1)&&(f.month.value>0)) {
		document.getElementById('id_month').innerHTML='Month of birthday wrong!';
		f.month.focus();
		return false;
	}			
	if(!isnumberic(f.day.value)) {
		document.getElementById('id_day').innerHTML='Day of birthday only input Number !';
		f.day.focus();
		return false;
	}		
	if((f.day.value>31)||(f.day.value<1)&&(f.day.value>0)) {
		document.getElementById('id_day').innerHTML='Day of birthday wrong!';
		f.day.focus();
		return false;
	}			
	if(f.user_address.value=='') {
		document.getElementById("id_address").innerHTML = "Please input your Address!";
		f.user_address.focus();
		return false;
	}

	if(f.sltlevel.value=='') {
		document.getElementById("id_sltlevel").innerHTML = "Please choose Level!";
		f.sltlevel.focus();
		return false;
	}		
	if(f.user_owner_pay.value=='') {
		document.getElementById("id_owner_pay").innerHTML = "Please input Owner Account!";
		f.user_owner_pay.focus();
		return false;
	}	
	if(f.user_owner_number.value=='') {
		document.getElementById("id_owner_number").innerHTML = "Please input Number Account!";
		f.user_owner_number.focus();
		return false;
	}		
	if(!isnumberic(f.user_owner_number.value)) {
		document.getElementById('id_owner_number').innerHTML='Number Account only input with Number !';
		f.user_owner_number.focus();
		return false;
	}		
	if(f.user_date_pay.value=='') {
		document.getElementById("id_date_pay").innerHTML = "Please choose Date pay!";
		f.user_date_pay.focus();
		return false;
	}				
	if(f.img_code.value =='') {
		document.getElementById("id_imgcode").innerHTML = "Please input Code Security";
		f.img_code.focus();
		return false;
	}
	if(f.img_code.value != f.secu_picture.value) {
		document.getElementById("id_imgcode").innerHTML = "Please Check Code Security";
		f.img_code.focus();
		return false;
	}
}


function check_edit(){

	

	var f = document.frm_register;

	if(f.user_name.value=='') {

		document.getElementById("id_username").innerHTML = "Nh?p tên truy c?p !";

		f.user_name.focus();

		return false;

	}

	if(f.user_name.value.indexOf("=")>=0 || f.user_name.value.indexOf("or")>=0 || f.user_name.value.indexOf(" ' ")>=0) {

		document.getElementById("id_username").innerHTML = "Tên truy c?p ch?a ký t? d?c bi?t !";

		f.user_name.focus();

		return false;

	}

	

	if(f.user_pass.value != f.user_repass.value) {

		document.getElementById("id_repass").innerHTML = "M?t kh?u xác nh?n l?i không kh?p !";

		f.user_repass.focus();

		return false;

	}

	

	if(f.user_email.value=='') {

		document.getElementById("id_email").innerHTML = "Nh?p d?a ch? email !";

		f.user_email.focus();

		return false;

	}

	

	if(f.img_code.value != f.secu_picture.value) {

		document.getElementById("id_imgcode").innerHTML = "Mã xác nh?n ?nh không dúng !";

		f.img_code.focus();

		return false;

	}

	

	document.frm_register.submit();

}



function check_log(){

	

	var f = document.frm_register;

	if(f.user_name.value=='') {

		document.getElementById("id_username").innerHTML = "Nh?p tên truy c?p !";

		f.user_name.focus();

		return false;

	}

	if(f.user_name.value.indexOf("=")>=0 || f.user_name.value.indexOf("or")>=0 || f.user_name.value.indexOf(" ' ")>=0) {

		document.getElementById("id_username").innerHTML = "Tên truy c?p ch?a ký t? d?c bi?t !";

		f.user_name.focus();

		return false;

	}

	

	if(f.user_pass.value=='') {

		document.getElementById("id_pass").innerHTML = "Nh?p m?t kh?u !";

		f.user_pass.focus();

		return false;

	}

	

	document.frm_register.submit();

}



function bloose_pass() {

	if (document.frm_pass.l_email.value.indexOf("@")<0 || document.frm_pass.l_email.value.indexOf(".")<0) {

			document.getElementById("id_email").innerHTML = "Email input not Empty or with special character !";

			document.frm_pass.l_email.focus();

			return false;

		}

	return true;

}

// JavaScript Document

function bu_agree()

{

	if(document.frm_reg.u_agree.value==1) document.frm_reg.u_agree.value=0;

	else document.frm_reg.u_agree.value=1;

}

function check_frm()
{
	r_form = document.frm_board;

		if(r_form.txttitle.value=='') {
			document.getElementById("id_re_title").innerHTML = "Please input Subject !";
			r_form.txttitle.focus();
			return false;
		}
		if(r_form.txtcontent.value=='') {
			document.getElementById("id_re_content").innerHTML = "Please input Content!";
			r_form.txtcontent.focus();
			return false;
		}

		return true;
}