function echeck(str) {
		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail Address")
		   return false
		}
		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail Address")
		   return false
		}
		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail Address")
		    return false
		}
		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail Address")
		    return false
		 }
		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail Address")
		    return false
		 }
		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail Address")
		    return false
		 }
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail Address")
		    return false
		 }
 		 return true					
	}


function ValidateContactForm() {
	if (document.contactfrm.cname.value == ""){
		alert ("You must enter your name.");
		document.contactfrm.cname.focus();
		return false;
		}
	if (document.contactfrm.telno.value == ""){
		alert ("You must enter your phone number.");
		document.contactfrm.telno.focus();
		return false;
		}
	var emailID=document.contactfrm.email;
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your Email Address");
		emailID.focus();
		return false;
	}
	if (echeck(emailID.value)==false){
		emailID.value="";
		emailID.focus();
		return false;
	}
}


function ValidateForm(){
	if (document.AddUser.fname.value == "" || document.AddUser.fname.value == "firstname*"){
		alert ("You must enter your first name.");
		document.AddUser.fname.focus();
		return false;
		}
	if (document.AddUser.surname.value == "" || document.AddUser.surname.value == "surname*"){
		alert ("You must enter your surname.");
		document.AddUser.surname.focus();
		return false;
		}
	var emailID=document.AddUser.Email;
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your Email Address");
		emailID.focus();
		return false;
	}
	if (echeck(emailID.value)==false){
		emailID.value="";
		emailID.focus();
		return false;
	}
	if(document.AddUser.PWord.value=="" || document.AddUser.PWord.value=="password*"){
		alert("You must enter a password.");
		document.AddUser.PWord.focus();
		return false;
		}
	if (document.AddUser.telno.value == "" || document.AddUser.telno.value == "phone number*"){
		alert ("You must enter your telephone number.");
		document.AddUser.telno.focus();
		return false;
		}
	
return true
}

function ValidateForm2(){
	if (document.AddUser.fname.value == ""){
		alert ("You must enter your first name.");
		document.AddUser.fname.focus();
		return false;
		}
	if (document.AddUser.surname.value == ""){
		alert ("You must enter your surname.");
		document.AddUser.surname.focus();
		return false;
		}
	var emailID=document.AddUser.Email;
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your Email Address");
		emailID.focus();
		return false;
	}
	if (echeck(emailID.value)==false){
		emailID.value="";
		emailID.focus();
		return false;
	}
	if (document.AddUser.telno.value == ""){
		alert ("You must enter your telephone number.");
		document.AddUser.telno.focus();
		return false;
		}
	if (document.AddUser.address.value == ""){
		alert ("You must enter your address.");
		document.AddUser.address.focus();
		return false;
		}
return true
}
function ClearValue(){
	document.activeElement.value = "";
}

function ClearValue2(){
	document.frmlogin.lemail.value = "";
	document.frmlogin.lpwd.value = "";
}

function CheckForm()
{
d = document.frmlogin;

if(d.lemail.value=="" || d.lemail.value=="email")
	{alert("You must enter your email address.");
	return false;
	}
if(d.lpwd.value=="" || d.lpwd.value=="password")
	{alert("You must enter a password.");
	return false;
	}	
}

function CheckButton(){
	var emailID=document.searchform.semail;
	if (document.searchform.subscribe.checked==true) {
		if ((emailID.value==null)||(emailID.value=="")){
			alert("Please Enter your Email Address");
			emailID.focus();
			return false;
		}
		if (echeck(emailID.value)==false){
			emailID.value="";
			emailID.focus();
			return false;
		}
	}
return true;
}

function CheckButton2(){
	var emailID=document.searchform.semail;
	
		if ((emailID.value==null)||(emailID.value=="")){
			alert("Please Enter your Email Address");
			emailID.focus();
			return false;
		}
		if (echeck(emailID.value)==false){
			emailID.value="";
			emailID.focus();
			return false;
		}
	
return true;
}