function bgImgRotate()
{
	var S3dir = 'http://static-secondlife-com.s3.amazonaws.com/login_screens/20090310/';
	var images = new Array(
		["night-01.jpg", "night-02.jpg", "night-03.jpg", "night-04.jpg", "night-05.jpg"],
		["morning-01.jpg", "morning-02.jpg", "morning-03.jpg", "morning-04.jpg", "morning-05.jpg"],
		["day-01.jpg", "day-02.jpg", "day-03.jpg", "day-04.jpg", "day-05.jpg"],
		["eve-01.jpg", "eve-02.jpg", "eve-03.jpg", "eve-04.jpg", "eve-05.jpg"]
		);
	var myDate = new Date();
	var hour = myDate.getHours();
	var imgSet = Math.floor(hour/6);

	var index=Math.floor(Math.random()*images[imgSet].length);
	document.getElementById('mainImage').src = S3dir+images[imgSet][index];
}


function closeSurvey(div_id)
{
	document.getElementById(div_id).style.display = "none";
}


function locationTextColor(){
	if ((document.getElementById('specifyLocation').checked == 1) && !(document.getElementById('specificLocation').value == 'Region Name')) {
		document.getElementById('specificLocation').style.color = '#FFFFFF';
	} else {
		document.getElementById('specificLocation').style.color = '#666666';
	}
}


function selectRegionRadio(){
	document.getElementById('specifyLocation').checked = 1;
}


function CheckFieldsNotEmpty(){
	var mUsername = document.getElementById('firstname_input');
	var mLastname = document.getElementById('lastname_input');
	var mPassword =document.getElementById('password_input');
	var myButton = document.getElementById('conbtn');

	if (( mUsername.value != "") && (mLastname.value != "") && (mPassword.value != "") )
	{
			myButton.disabled = false;
			myButton.className = "input_over";
	}else
	{
		myButton.disabled = true;
		myButton.className = "pressed";
	}
}