///////////////////////////////// block 1 //////////////////////////////////////////
function form_block()
{
var	Ln=document.frcon.ln.value;
	
if(document.frcon.name.value==''){
	if(Ln==1){
	alert('Please input name ');}
	else{alert('กรุณากรอกชื่อ');}
document.frcon.name.focus();
return false;}

if(document.frcon.email.value==''){
	if(Ln==1){
	alert('Please input email ');}
	else{alert('กรุณากรอกอีเมลล์');}
document.frcon.email.focus();
return false;}

if(document.frcon.comments.value==''){
	if(Ln=='1'){
	alert('Please input details ');}
	else{alert('กรุณากรอกรายละเอียด');}
document.frcon.comments.focus();
return false;}

if(document.frcon.code.value==''){
	if(Ln=='1'){
	alert('Please input code ');}
	else{alert('กรุณากรอกรหัสเพื่อกันสแปม');}
document.frcon.code.focus();
return false;}

if(document.frcon.code.value!=document.frcon.num22.value){
	if(Ln=='1'){
	alert('Wrong code - please try again');}
	else{alert('รหัสผิด กรุณากรอกอีกครั้ง');}
document.frcon.code.focus();
return false;}

else{ 
return checkemail(Ln);}
}
///////////////////////////////// block 1 //////////////////////////////////////////

///////////////////////////////// block 1 //////////////////////////////////////////
function form_invite()
{
var	Ln=document.f_invite.ln.value;
	
if((document.f_invite.mail1.value=='')&&(document.f_invite.mail2.value=='')&&(document.f_invite.mail3.value=='')&&(document.f_invite.mail4.value=='')&&(document.f_invite.mail5.value==''))
{  if(Ln=='1'){
	alert('Fill least 1 email');}
	else{alert('กรุณากรอกอย่างน้อย 1 อีเมลล์');}
	document.f_invite.mail1.focus();
	return false;
	}
if(document.f_invite.detail.value==''){
	if(Ln==1){
	alert('Please input detail ');}
	else{alert('กรุณากรอกรายละเอียด');}
document.f_invite.detail.focus();
return false;}

if(document.f_invite.from1.value==''){
	if(Ln==1){
	alert('Please input name ');}
	else{alert('กรุณากรอกชื่อ');}
document.f_invite.from1.focus();
return false;}

if(document.f_invite.emailfrom.value==''){
	if(Ln==1){
	alert('Please input email ');}
	else{alert('กรุณากรอก email');}
document.f_invite.emailfrom.focus();
return false;}

if(document.f_invite.code.value==''){
	if(Ln==1){
	alert('Please input code');}
	else{alert('กรุณากรอกรหัส');}
document.f_invite.code.focus();
return false;}

if(document.f_invite.num22.value!==document.f_invite.code.value)
{ if(Ln==1){
	alert('Code wrong please input again');}
	else{alert('รหัสผิด กรุณากรอกอีกครั้ง');}
	document.f_invite.code.focus();
	return false;
	}

if(document.f_invite.mail1.value!='')
{if(checkemail2(document.f_invite.mail1.value)==false)
{document.f_invite.mail1.focus();
return false;}
}

if(document.f_invite.mail2.value!='')
{if(checkemail2(document.f_invite.mail2.value)==false)
{document.f_invite.mail2.focus();
return false;}
}

if(document.f_invite.mail3.value!='')
{if(checkemail2(document.f_invite.mail3.value)==false)
{document.f_invite.mail3.focus();
return false;}
}

if(document.f_invite.mail4.value!='')
{if(checkemail2(document.f_invite.mail4.value)==false)
{document.f_invite.mail4.focus();
return false;}
}

if(document.f_invite.mail5.value!='')
{if(checkemail2(document.f_invite.mail5.value)==false)
{document.f_invite.mail5.focus();
return false;}
}

if(document.f_invite.emailfrom.value!='')
{if(checkemail2(document.f_invite.emailfrom.value)==false)
{document.f_invite.emailfrom.focus();
return false;}
}

}
///////////////////////////////// block 1 //////////////////////////////////////////


///////////check email//////////////
function checkemail2(str){
	var emailFilter=/^.+@.+\..{2,3}$/;
	//var str=document.form.text1.value;
if (!(emailFilter.test(str))) { 
       alert ("Please input a valid email address!");
	   return false;
}
    return true;
}
/////////////////check email///////////



	///////////check email//////////////
var testresults
function checkemail(Ln2){
var str=document.frcon.email.value
var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
if (filter.test(str))
testresults=true
else{
	if(Ln2==1){
	alert("Please input a valid email address!");}
	else{alert("กรุณากรอกอีเมลล์ให้ครบ!");}
document.frcon.email.focus();
testresults=false
}
return (testresults)
}
/////////////////check email///////////


function isSplChar1(str)
{	
	var spchar, getChar, SpecialChar;	
	spchar="`(\\~^*+\"|:=";
	getChar='Empty';
	SpecialChar='No';
	var spchars =" ` \\ ~ ^ * + \" | : ="; 
	for(var i=0; i<str.length; i++)
	{
		for(var j=0; j<spchar.length; j++)
		{			
			if(str.charAt(i)== spchar.charAt(j))
			{			
				SpecialChar='Yes';
				break;
			}
			else
			{
				if (str.charAt(i)!=' ')
				getChar='Normal';
			}
		}		
	}
	if (SpecialChar == 'Yes')
	{
		alert('Please do not enter any of the following characters: \n ' + spchars);	
		return true;
	}
	else if (SpecialChar == 'No')
	{
		return false;
	}
}

//////check special promotion
function form_sp()
{
var	Ln=document.pro.ln.value;
	
if((document.pro.titlee.value=='')&&(document.pro.titlet.value=='')){
	if(Ln==1){
	alert('Please input title ');
	document.pro.titlee.focus();
	}
	else{alert('กรุณากรอกหัวเรื่อง');
	document.pro.titlet.focus();}

return false;}



if((document.pro.detaile.value=='')&&(document.pro.detailt.value=='')){
	if(Ln==1){
	alert('Please input Detail ');
	document.pro.detaile.focus();}
	else{alert('กรุณากรอกรายละเอียด');
	document.pro.detailt.focus();}
return false;}









}
///////////////



//////check what
function form_what()
{

	
if((document.form1.title_en.value=='')&&(document.form1.title_th.value=='')){
	
	alert('Please input title Thai or English');
	document.form1.title_en.focus();
return false;}

}
///////////////

//////check high
function form_high()
{

	
if((document.form1.title_en.value=='')&&(document.form1.title_th.value=='')){
	
	alert('Please input title Thai or English');
	document.form1.title_en.focus();
return false;}

}