var browser;
function fullHeight() {
	var elems = $$('.fullheight');
	for (var i=0, ilength = elems.length; i<ilength; i++) {
		var elem = elems[i];
		elem.setStyle({
			height: elem.up().getStyle('height')
		})
	}
}

function minHeight() {
	var elems = $$('body *');
	for (var i=0, ilength = elems.length; i<ilength; i++) {
		var minheight = elems[i].getStyle('min-height');
		if (minheight) {
			minheight = parseInt(minheight);
			var elem = elems[i];
			if (elem.getHeight() < minheight) {
				elem.setStyle({
					height: minheight + 'px'
				});
			}
		}
	}
}

function showNote() {
	var note = $$('.note')[0];
	var wrapper = $$('.wrapper')[0];
	note.setStyle({
		top: (document.viewport.getHeight()/2 - note.getHeight()/2 + 100) +'px',
		left: wrapper.getWidth()/2 - note.getWidth()/2+'px'
	});
	note.show();
}

function showSend() {
	var note = $$('.sendtofriend')[0];
	var wrapper = $$('.wrapper')[0];
	note.setStyle({
		top: document.viewport.getHeight()/2 - note.getHeight()/2+'px',
		left: wrapper.getWidth()/2 - note.getWidth()/2+'px'
	});
	note.show();
}

function closeNote() {
	$$('.note')[0].hide(); 
	return false;
}

function closeSend() {
	$$('.sendtofriend')[0].hide(); 
	return false;
}

function hoverbox() {
	var lis = $$('.hoverbox li');
	if (lis) {
		for (var i=0; i<lis.length; i++) {
			var li = lis[i];
			li.observe('mouseover', mouseover);
			li.observe('mouseout', mouseout);
		}
	}
}

function mouseover(event) {
	this.addClassName('hover');
}

function mouseout(event) {
	this.removeClassName('hover');
}

Event.observe(window, 'load', function() {
	var bodyHeight = $(document.body).getHeight();
	var viewportHeight = document.viewport.getHeight();
	fullHeight();
	Event.observe(window, 'resize', function() {});	
	hoverbox();
});