var descExpanded=false;
var starExpanded=false;
var resized=false;
var ieWinHeight, ieWinWidth;

window.addEvent('domready', function() {
	if (Browser.Engine.trident) {
		ieWinHeight = document.documentElement.clientHeight;
		ieWinWidth = document.documentElement.clientWidth;
	}
	// check height of description and starring info and hide more button if it's short
	checkDivHeight('flash-movie-description', 'more-description', 'less-description', descExpanded, 155);
	checkDivHeight('flash-starring-info', 'more-star-info', 'less-star-info', starExpanded, 70);

	$('more-description').addEvent('click', function(event) {
		event = new Event(event).stop();
		expandDiv('flash-movie-description')
		// hide the more link and show the less link
		setTimeout("$('more-description').setStyle('display','none')", 300);
		setTimeout("$('less-description').setStyle('display','block')", 300);
		descExpanded = true;
	});
	$('less-description').addEvent('click', function(event) {
		event = new Event(event).stop();
		collapseDiv('flash-movie-description', '155px')
		// show the more link and hide the less link
		setTimeout("$('more-description').setStyle('display','block')", 300);
		setTimeout("$('less-description').setStyle('display','none')", 300);
		descExpanded = false;
	});
	
	$('more-star-info').addEvent('click', function(event) {
		event = new Event(event).stop();
		expandDiv('flash-starring-info')
		// hide the more link and show the less link
		setTimeout("$('more-star-info').setStyle('display','none')", 300);
		setTimeout("$('less-star-info').setStyle('display','block')", 300);
		starExpanded = true;
	});
	$('less-star-info').addEvent('click', function(event) {
		event = new Event(event).stop();
		collapseDiv('flash-starring-info', '70px')
		// show the more link and hide the less link
		setTimeout("$('more-star-info').setStyle('display','block')", 300);
		setTimeout("$('less-star-info').setStyle('display','none')", 300);
		starExpanded = false;
	});
});

function checkDivHeight(divID, moreID, lessID, expanded, defaultHeight) {
//	alert( $(divID).scrollHeight + ', ' + defaultHeight);
	if (!expanded) {
		if ($(divID).scrollHeight > defaultHeight) {
			$(moreID).setStyle('display','block');
		}
		else {
			$(moreID).setStyle('display','none')
		}
	}
}

function fixDivHeight(divID, moreID, lessID, expanded, defaultHeight) {
	if (expanded) {
		$(divID).setStyle('height','auto');
		if ($(divID).scrollHeight > defaultHeight) {
			$(lessID).setStyle('display','block');
		}
		else {
			$(lessID).setStyle('display','none')
			$(divID).setStyle('height', defaultHeight);
		}
	}
}

function expandDiv(id) {
	fxExpand = new Fx.Tween($(id), {property: "height"});
	fxExpand.start($(id).scrollHeight);
}

function collapseDiv(id, height) {
	fxExpand = new Fx.Tween($(id), {property: "height"});
	fxExpand.start($(id).scrollHeight, height);
}

window.addEvent('resize', function() {
	if (Browser.Engine.trident) {
	//	alert( 'ieWinHeight='+ieWinHeight+', '+document.documentElement.clientHeight);
		if (ieWinHeight!=document.documentElement.clientHeight || ieWinWidth!=document.documentElement.clientWidth ) {
			setTimeout("checkDivHeight('flash-movie-description', 'more-description', 'less-description', descExpanded, 155)", 200);
			setTimeout("checkDivHeight('flash-starring-info', 'more-star-info', 'less-star-info', starExpanded, 70)", 200);
			setTimeout("fixDivHeight('flash-movie-description', 'more-description', 'less-description', descExpanded, 155)", 200);
			setTimeout("fixDivHeight('flash-starring-info', 'more-star-info', 'less-star-info', starExpanded, 70)", 200);
			ieWinHeight = document.documentElement.clientHeight;
			ieWinWidth = document.documentElement.clientWidth;
		}
	}
	else {
		checkDivHeight('flash-movie-description', 'more-description', 'less-description', descExpanded, 155);
		checkDivHeight('flash-starring-info', 'more-star-info', 'less-star-info', starExpanded, 70);
		fixDivHeight('flash-movie-description', 'more-description', 'less-description', descExpanded, 155);
		fixDivHeight('flash-starring-info', 'more-star-info', 'less-star-info', starExpanded, 70);
	}
});