function clearInput(input) {
  if(input.value == 'Email Address' || input.value == 'Activation Code' || input.value == 'Entry Identification Code') {
    input.value = '';
  }
}

function fbs_click() {u=location.href;t=document.title;window.open('http://www.facebook.com/sharer.php?u='+encodeURIComponent(u)+'&t='+encodeURIComponent(t),'sharer','toolbar=0,status=0,width=800,height=600');return false;}

function validEmail(email)
{
	var filter = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	
	if(filter.test(email) == false) {
		alert("Please enter a valid email address");
	}
	
	return filter.test(email);
}

function ValidateCommentForm()
{
	Valid = true;
	Message = "";
	var filter = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	
	if(document.getElementById("authorbox").value == "") {
		Valid = false;
		Message = Message + "Your Name field is required\n";
	}
	if(!filter.test(document.getElementById("emailbox").value)) {
		Valid = false;
		Message = Message + "Your e-mail address is invalid\n";
	}
	if(document.getElementById("commentbox").value == "") {
		Valid = false;
		Message = Message + "Please provide a comment\n";
	}
	
	if(Valid == false) {
		alert(Message);
	}
	
	return Valid;
}

function ValidateAddVideo()
{
	Valid = true;
	Message = "";
	var filter = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	
	if(document.getElementById("author").value == "") {
		Valid = false;
		Message = Message + "Your Name field is required\n";
	}
	if(document.getElementById("video").value == "") {
		Valid = false;
		Message = Message + "Please select a video to upload\n";
	}
	if (document.getElementById("termsconds").checked == false) {
		Valid = false;
		Message = Message + "You must agree to the Terms and Conditions\n";
	}
	if(!filter.test(document.getElementById("email").value)) {
		Valid = false;
		Message = Message + "Your e-mail address is invalid\n";
	}
	if(Valid == false) {
		alert(Message);
	}
	return Valid;
}

function ValidateAddPost()
{
	Valid = true;
	Message = "";
	var filter = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	
	if(document.getElementById("author").value == "") {
		Valid = false;
		Message = Message + "Author field is required\n";
	}
	if(document.getElementById("title").value == "") {
		Valid = false;
		Message = Message + "Title field is required\n";
	}
	if(document.getElementById("content").value == "") {
		Valid = false;
		Message = Message + "Your Post field is required\n";
	}
	if (document.getElementById("termsconds").checked == false) {
		Valid = false;
		Message = Message + "You must agree to the Terms and Conditions\n";
	}
	if(!filter.test(document.getElementById("email").value)) {
		Valid = false;
		Message = Message + "Your e-mail address is invalid\n";
	}
	if(Valid == false) {
		alert(Message);
	}
	return Valid;
}

function ValidateSendFriendForm()
{
	Valid = true;
	Message = "";
	var filter = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	
	if(document.getElementById("sendmyname").value == "") {
		Valid = false;
		Message = Message + "Your Name field is required\n";
	}
	if(!filter.test(document.getElementById("sendmyemail").value)) {
		Valid = false;
		Message = Message + "Your e-mail address is invalid\n";
	}
	if(!filter.test(document.getElementById("sendyouremail").value)) {
		Valid = false;
		Message = Message + "Friends e-mail address is invalid\n";
	}
	if(document.getElementById("sendyourname").value == "") {
		Valid = false;
		Message = Message + "Your Friend's name field is required\n";
	}
	
	if(Valid == false) {
		alert(Message);
	}
	
	return Valid;
}