//LINE-UP SCROLL

//globals
var li_index = 0;
var n_li = 0 ;

$(document).ready(function(){
	
	//determine amount of listitems
	n_li = $('#programme > li').size()-1;
	
	//artist-commentform
	$('#aspnetForm').hide();
	$('#postacomment').click(function(){
		$('#aspnetForm').slideToggle();
	});


});

function scrollLineUp(n){
	
   //determine index
   if(n==1)
   {
   	li_index++;
   
   } else if(n==0) {
   	
   	li_index--;
   }
   
   //bottom
   if(li_index<=0){
   
   li_index=0;
   }
   
   //top
   if(li_index>=n_li){
   
   li_index=n_li;
   }
   
   //scroll
   $('#programme').scrollTo($('#programme li:eq('+li_index+')'),500,{margin:true});
   
}