$("ducument").ready(function(){
var bighover=$('.open_sergame_list>li');
bighover.hover(function(){
	var j=bighover.index($(this)[0]);
	bighover.eq(j).addClass('current');
},function(){
	var j=bighover.index($(this)[0]);
	bighover.eq(j).removeClass('current');
});

var ka_len=parseInt($('#roll_list').attr('offsetWidth'));
if(ka_len>288)
$('#roll_lines').html($('#roll_lines').html()+$('#roll_lines').html());
var rollset;
var rollstep=-1;
var rolltimei=80;
var rollspeedup=0;
function rollfun(){
	if(ka_len<288)return;
	clearTimeout(rollset);
	rollset=setTimeout(function(){
		var ttop=parseInt($('#roll_list').css('left'));
		if(ttop>=0&&rollstep>0){
		ttop=-ka_len;
		$('#roll_list').css({left:ttop});
		}
		if(ttop==-ka_len&&rollstep<0){
		ttop=0;
		$('#roll_list').css({left:ttop});
		}
		if(rollspeedup==0)
		rolltimei=60;
		else if(rollspeedup==1)
		rolltimei=5;
		
		ttop=ttop+rollstep;
		$('#roll_list').css({left:ttop});
		rollfun();
	},rolltimei);
}
		$('.larrow').hover(function(){
			$(this).addClass('hover');
			rollstep=-1;
			rollspeedup=1;
		},function(){
			$(this).removeClass('hover');
			rollspeedup=0;
			rollfun();
		});
		$('.rarrow').hover(function(){
			$(this).addClass('hover');
			rollstep=1;
			rollspeedup=1;
		},function(){
			$(this).removeClass('hover');
			rollspeedup=0;
			rollfun();
		});
rollfun();



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