function validate_promoters() {

	if (document.prom_form.prom_pass.value==""){
		alert("Password required");
		document.prom_form.prom_pass.focus();
		return false;
	}

	return true;

}

function validate_friend_page() {

	if(document.friends_form1.join[2].checked){
		document.friends_form1.action='join_friends_book.php'
	}
	else{
		document.friends_form1.action='join_friends_pay.php'
	}

	if((document.friends_form1.join[2].checked) && (document.friends_form1.friends_number.value=="")){
		alert("Please enter Friends Number");
		document.friends_form1.friends_number.focus();
		return false;
	}
	else{
		return true;
	}
}

function validate_friend() {

	 if (document.friends_form2.friend_no.value==""){
		alert("Please enter Friends Number");
		document.friends_form2.friend_no.focus();
		return false;
		}
		
	//}else if ((document.friends_form2.join.value=='999')&&((document.friends_form2.friend_no.value==""))){
		//alert("Please enter Friends Number, or select Friends Type");
		//document.friends_form2.friend_no.focus();
		//return false;
	//}else if (document.friends_form2.card_no.value==""){
		//alert("Your credit card number required");
		//document.friends_form2.card_no.focus();
		//return false;
	//}else if (document.friends_form2.expd_1.value==""){
		//alert("Expiery date month required");
		//document.friends_form2.expd_1.focus();
		//return false;
	//}
	//else if (document.friends_form2.expd_2.value==""){
		//alert("Expiery date year required");
		//document.friends_form2.expd_2.focus();
		//return false;
	//}
	//else if (document.friends_form2.cvv_no.value==""){
		//alert("CVV number required");
		//document.friends_form2.cvv_no.focus();
		//return false;
	//}
	//else if (document.friends_form2.name.value==""){
		//alert("Your name required");
		//document.friends_form2.name.focus();
		//return false;
	//}

	//else if (document.friends_form2.address.value==""){
		//alert("Your address required");
		//document.friends_form2.address.focus();
		//return false;
	//}
	//else if (document.friends_form2.telephone.value==""){
		//alert("Your telephone number required");
		//document.friends_form2.telephone.focus();
		//return false;
	//}
	//if ((document.friends_form2.email)&&((document.friends_form2.email.value=="")||(document.friends_form2.email.value=="email"))){
		//alert("Please enter your e-mail address ...");
		//document.friends_form2.email.value="";
		//document.friends_form2.email.focus();
		//return false;
	//} else {
		//return isFriendReady();
	//}
	
	return true;

}
			 
function isFriendReady() {
	if (isFriendEmail(document.friends_form2.email.value) == false) {
		alert("Please enter a valid email address");
		document.friends_form2.email.focus();
		return false;
	}
	return true;
}

function isFriendEmail(string) {
	if (string.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1){
		return true;
	}
	else {
		return false;
	}
}