step=2
topOfScroll = 0

function scrollDivDown(id){
clearTimeout(timerDown) 
document.getElementById(id).scrollTop+=step 
timerDown=setTimeout("scrollDivDown('"+id+"')",5)
topOfScroll = document.getElementById(id).scrollTop
if (topOfScroll == document.getElementById('content').scrollHeight - 335) {document.getElementById('scroll-down_img').style.display = 'none'} else {document.getElementById('scroll-down_img').style.display = 'block'}
if (topOfScroll > 0) {document.getElementById('scroll-up_img').style.display = 'block'} else {document.getElementById('scroll-up_img').style.display = 'none'}
} 

function scrollDivUp(id){
clearTimeout(timerUp)
document.getElementById(id).scrollTop-=step 
timerUp=setTimeout("scrollDivUp('"+id+"')",5)
topOfScroll = document.getElementById(id).scrollTop
if (topOfScroll > 0) {document.getElementById('scroll-up_img').style.display = 'block'} else {document.getElementById('scroll-up_img').style.display = 'none'}
if (topOfScroll == document.getElementById('content').scrollHeight - 335) {document.getElementById('scroll-down_img').style.display = 'none'} else {document.getElementById('scroll-down_img').style.display = 'block'}
} 

function scrollDivLeft(id){
  clearTimeout(timerLeft) 
  document.getElementById(id).scrollLeft+=step
  timerLeft=setTimeout("scrollDivLeft('"+id+"')",5)
}

function scrollDivRight(id){
  clearTimeout(timerRight)
  document.getElementById(id).scrollLeft-=step
  timerRight=setTimeout("scrollDivRight('"+id+"')",5)
}

timerDown="" 
timerUp="" 
timerLeft="" 
timerRight="" 

function stopMe(){
clearTimeout(timerDown) 
clearTimeout(timerUp)
}

function stopIt(){
clearTimeout(timerLeft) 
clearTimeout(timerRight)
}

document.onmousemove=function(){stopMe()}  

window.addEvent("domready", function(){
	$$('div.scrimg').each(function(el){
		el.addEvent('click',function(e){
			file=el.getChildren('a')[0].rel;
			link=el.getChildren('span')[0].getChildren('a')[0].href;
			alt=el.getChildren('a')[0].getChildren('img')[0].alt;
			src=el.getChildren('a')[0].getChildren('img')[0].src;
			altold=$$('div#main-img')[0].getChildren('img')[0].alt;
			$$('div#main-img')[0].getChildren('img')[0].src=$$('div#main-img')[0].getChildren('img')[0].src.replace(altold,alt);
			$$('div#main-img')[0].getChildren('img')[0].alt=el.getChildren('a')[0].getChildren('img')[0].alt;	
			$$('span#imgname')[0].innerHTML=el.getChildren('span')[0].getChildren('a')[0].innerHTML+' ';
			if (file.length>3){
				$$('span#imgfile')[0].innerHTML='<a href="'+link+'">'+file.substr(0,file.length-4)+'</a>';
				$$('span#imgfile')[0].addClass('pdf');
			}else{
				$$('span#imgfile')[0].removeClass('pdf');
				$$('span#imgfile')[0].innerHTML='';
			}
			return false;
		});
	});
});