function ChangePage(tab){
		$('Page1').style.display = "none";
		$('Page2').style.display = "none";
		$('Page'+tab).style.display = "block";
		if(tab == 1)
			$('CenterTitle').innerHTML = "Join NOW!";
		else
			$('CenterTitle').innerHTML = "Login IN!"
}

function AccountSignUp(oReq){
	if(!oReq){
		if(!$('SignUpEmail').value.match(/\w+@[a-zA-Z_-]+?\.[a-zA-Z]{2,6}/))
			alert('Enter a valid email address.');
		else if($('SignUpName').value.indexOf(" ") < 0)
			alert('Enter your full name.');
		else if($('SignUpPass').value != $('SignUpPass2').value)
			alert('Passwords do not match.');
		else if(($('SignUpPass').value.length < 4)||($('SignUpPass').value.length > 25))
			alert('Enter a password between 4 - 25 characters');
		else{	
			var url = 'account.php';
			var data = "&Operation=SignUp&Email="+$('SignUpEmail').value+"&Name="+$('SignUpName').value+"&Password="+$('SignUpPass').value;
			var myRequest = new Ajax.Request(url, {method:'post',parameters:data,onComplete:AccountSignUp});	
			$('SignUpButton').value = "Please Wait...";
			$('SignUpButton').disabled = true;
		}
	}else{
		var r = oReq.responseText.evalJSON();
		if(r.Error){
			alert(r.Error);
			$('SignUpButton').disabled = false;	
			$('SignUpButton').value = "Sign In";
		}else
			window.location = 'account.php?Action=EditProfile';
	}
}

function AccountSignIn(oReq){
	if(!oReq){
		if(!$('SignInEmail').value.match(/\w+@[a-zA-Z_-]+?\.[a-zA-Z]{2,6}/))
			alert('Enter a valid email address.');
		else if(($('SignInPass').value.length < 4)||($('SignInPass').value.length > 25))
			alert('Enter a password between 4 - 25 characters');
		else{
			var url = 'account.php';
			var data = "&Operation=SignIn&Email="+$('SignInEmail').value+"&Password="+$('SignInPass').value;
			var myRequest = new Ajax.Request(url, {
				method:'post',
				parameters:data,
				onComplete:AccountSignIn
			});
			$('SignInButton').value = "Please Wait...";
			$('SignInButton').disabled = true;
		}
	}else{
		var r = oReq.responseText.evalJSON();
		if(r.Error){
			alert(r.Error);
			$('SignInButton').disabled = false;	
			$('SignInButton').value = "Sign In";
		}else
			window.location = "user.php";
	}	
}