var pagenumber=0;
var page=0;
var pages;

function check_button_next(){
	switch(page){
		case pagenumber-1:
			bytefx.fade(document.getElementById('action_prev'),0,100,20);
			break;
		case 0:
			bytefx.fade(document.getElementById('action_next'),100,0,20);
			break;
	}
}

function check_button_prev(){
	switch(page){
		case pagenumber:
			bytefx.fade(document.getElementById('action_prev'),100,0,20);
			break;
		case 1:
			bytefx.fade(document.getElementById('action_next'),0,100,20);
			donot=false;
			break;
	}
}

function pageload(){
	pages=getElementsByClass('LI','pages');
	pagenumber = pages.length-1;
	page = pagenumber;
	bytefx.alpha(document.getElementById('action_prev'),0);
	//next
	bytefx.$event(document.getElementById('action_next'), "onclick", function(){
			if (page>0){
				bytefx.size(pages[page],{width:0,height:453},10);
				page--;
				check_button_next();
			}
	});
	//prev
	bytefx.$event(document.getElementById('action_prev'), "onclick", function(){
			if (page<pagenumber){
				page++;
				bytefx.size(pages[page],{width:653,height:453},5);
				check_button_prev();
			}
	});
	
	document.getElementById('pagebox').className='noborder';
	document.getElementById('box').className='show';
}