function check_dirform(frm){
	if(frm.dircat_id.value==""){
		alert('Please select your category');
		frm.dircat_id.focus();
		return false;
	}
	if(frm.weburl.value==""){
		alert('Please enter website url');
		frm.weburl.focus();
		return false;
	}
	if(frm.webtitle.value==""){
		alert('Please enter website title');
		frm.webtitle.focus();
		return false;
	}
	if(frm.webdesc.value==""){
		alert('Please enter website description');
		frm.webdesc.focus();
		return false;
	}
	if(frm.email.value==""){
		alert('Please enter your email address');
		frm.email.focus();
		return false;
	}else{
		if(!emailCheck(frm.email.value)){
			alert('Your entered email address seems to be incorrect');
			frm.email.focus();
			return false;				
		}			
	}
}
function check_login(frm_chk){
	if(frm_chk.userid.value==""){
		alert('Please enter username');
		frm_chk.userid.focus();
		return false;
	}
	if(frm_chk.password.value==""){
		alert('Please enter password');
		frm_chk.password.focus();
		return false;
	}
}
function check_signup(frm){
	if(frm.username.value==""){
		alert('Please enter username');
		frm.username.focus();
		return false;
	}
	if(frm.password.value==""){
		alert('Please enter password');
		frm.password.focus();
		return false;
	}	
	if(frm.email.value==""){
		alert('Please enter your email address');
		frm.email.focus();
		return false;
	}else{
		if(!emailCheck(frm.email.value)){
			alert('Your entered email address seems to be incorrect');
			frm.email.focus();
			return false;				
		}			
	}	
	if(frm.country.value=="0"){
		alert('Please select country');
		frm.country.focus();
		return false;
	}
}
function check_rating2(frm){
	if(frm.program_id.value=="")
	{
		alert('Please enter your user id');
		frm.program_id.focus();
		return false;			
	}	
	if(frm.comments.value=="")
	{
		alert('Please enter your comments');
		frm.comments.focus();
		return false;			
	}	
}
function check_rating(frm){
		if(frm.email.value=="")
		{
			alert('Please enter your email');
			frm.email.focus();
			return false;			
		}
		if(frm.comments.value==""){
			alert('Please enter your comments');
			frm.comments.focus();
			return false;
		}else{
			if(!emailCheck(frm.email.value)){
				alert('Your entered email address seems to be incorrect');
				frm.email.focus();
				return false;				
			}			
		}		
}
function check_contact(frm){
		if(frm.name.value=="")
		{
			alert('Please enter your full name');
			frm.name.focus();
			return false;			
		}
		if(frm.email.value==""){
			alert('Please enter your email address');
			frm.email.focus();
			return false;
		}else{
			if(!emailCheck(frm.email.value)){
				alert('Your entered email address seems to be incorrect');
				frm.email.focus();
				return false;				
			}			
		}	
		if(frm.msg.value=="")
		{
			alert('Please write some message');
			frm.msg.focus();
			return false;			
		}		
}
function check_recommend(frm){
		if(frm.yourname.value=="")
		{
			alert('Please enter your full name');
			frm.yourname.focus();
			return false;			
		}
		if(frm.fname.value=="")
		{
			alert('Please enter your friends name');
			frm.fname.focus();
			return false;			
		}
		if(frm.femail.value==""){
			alert('Please enter e-mail address');
			frm.femail.focus();
			return false;
		}else{
			if(!emailCheck(frm.femail.value)){
				alert('Entered e-mail address seems to be incorrect');
				frm.femail.focus();
				return false;				
			}			
		}	
}
function check_mail_list(frm){
		if(frm.email.value==""){
			alert('Please enter your email address');
			frm.email.focus();
			return false;
		}else{
			if(!emailCheck(frm.email.value)){
				alert('Your entered email address seems to be incorrect');
				frm.email.focus();
				return false;				
			}			
		}
		if(frm.subscribed[0].checked==false && frm.subscribed[1].checked==false){
			alert('Please select subscribe/unsubscribe');
			return false;			
		}
	}
function check_report_scam(frm){
		if(frm.url.value=="" || frm.url.value=="http://"){
			alert('Please enter url');
			frm.url.focus();
			return false;
		}
		if(frm.email.value==""){
			alert('Please enter your email address');
			frm.email.focus();
			return false;
		}else{
			if(!emailCheck(frm.email.value)){
				alert('Your entered email address seems to be incorrect');
				frm.email.focus();
				return false;				
			}			
		}
	}	
function emailCheck (emailStr) {


var checkTLD=1;

var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;


var emailPat=/^(.+)@(.+)$/;


var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";


var validChars="\[^\\s" + specialChars + "\]";


var quotedUser="(\"[^\"]*\")";


var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;



var atom=validChars + '+';


var word="(" + atom + "|" + quotedUser + ")";



var userPat=new RegExp("^" + word + "(\\." + word + ")*$");


var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");

var matchArray=emailStr.match(emailPat);

if (matchArray==null) {


//	alert("Email address seems incorrect (check @ and .'s)");
return false;
}
var user=matchArray[1];
var domain=matchArray[2];



for (i=0; i<user.length; i++) {
if (user.charCodeAt(i)>127) {
//alert("Ths username contains invalid characters.");
return false;
   }
}
for (i=0; i<domain.length; i++) {
if (domain.charCodeAt(i)>127) {
//alert("Ths domain name contains invalid characters.");
return false;
   }
}

if (user.match(userPat)==null) {

//alert("The username doesn't seem to be valid.");
return false;
}

var IPArray=domain.match(ipDomainPat);
if (IPArray!=null) {

for (var i=1;i<=4;i++) {
if (IPArray[i]>255) {
//alert("Destination IP address is invalid!");
return false;
   }
}
return true;
}
 
var atomPat=new RegExp("^" + atom + "$");
var domArr=domain.split(".");
var len=domArr.length;
for (i=0;i<len;i++) {
if (domArr[i].search(atomPat)==-1) {
//alert("The domain name does not seem to be valid.");
return false;
   }
}

if (checkTLD && domArr[domArr.length-1].length!=2 && 
domArr[domArr.length-1].search(knownDomsPat)==-1) {
//alert("The address must end in a well-known domain or two letter " + "country.");
return false;
}

if (len<2) {
//alert("This address is missing a hostname!");
return false;
}


return true;
}