window.onload=init;

var moveup;
var movedown;
var Expand;
var Scroll;
var year;


function init() {

	Expand=document.getElementById("expanse");
	Scroll=document.getElementById("scroll");

	if (Expand)
		{
		Expand.style.top=0+"px";
		reset();
		}

}


function reset() {

	if (Scroll)
		{

		if (parseInt(Expand.offsetHeight, 10) >= 272)

			{
			Scroll.className="";
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		else

			{
			Scroll.className="inithidden";
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}


function scrolldown(time, speed) {

	Expand=document.getElementById("expanse");

	if (parseInt(Expand.style.top, 10) >= (-(parseInt(Expand.offsetHeight, 10))+252+speed)) {

		Expand.style.top=parseInt(Expand.style.top, 10)-speed+"px";
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}	


function scrollup(time, speed) {

	Expand=document.getElementById("expanse");

	if (parseInt(Expand.style.top, 10) <= 0-speed) {
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		moveup=setTimeout("scrollup("+time+","+speed+")",time);
	
	}	

}


function off(updown) {

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}


function on(updown) {

	var arrow=document.getElementById(updown);

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}


function clik(updown) {

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	arrow.src="images/"+updown+"ArrowClik.gif";

}


function blowup(image, capt) {

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	blowup.innerHTML="<a onclick='blowaway()'><img src='"+image+"' /></a>";
	blowup.style.zIndex="10";

	var caption=document.getElementById("capt"+capt);
	caption.style.visibility="visible";

	var footext=document.getElementById("footext");
	if (footext)
		{
		footext.style.visibility="hidden";
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}


function blowaway() {

	var blowup=document.getElementById("blowup")
	blowup.innerHTML="";
	blowup.style.zIndex="-1";

	capthide();
	
}

function capthide() {

	for (x=1; x<15; x++)
		{
		var caption=document.getElementById("capt"+x);
		caption.style.visibility="hidden";
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	var footext=document.getElementById("footext");
	if (footext)
		{
		footext.style.visibility="visible";
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}


function mInsert() {

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}


function copyright() {

	var year = new Date().getFullYear();

	var Copy = document.getElementById("copyright");
	Copy.innerHTML = "&copy; OpenHydro Group Limited " + year + ". | Company Number 392378. | ";

}