$(function(){ var pageNum = 0;
var page = 15;
for (var i = 0; i < $('.runPage').length; i++) { $('.runPage').eq(i).css('z-index',2*page+1-2*i); $('.runPage').eq(i).children('div').css('z-index',2*page+1-2*i); $('.runPage').eq(i).children('img').css('z-index',2*page-2*i); };
$('.nextBtn').bind('click',function(){ if ( pageNum <= page-1 ) { runNext(pageNum); pageNum++; }; console.log(pageNum); });
function runNext(index){ $('.runPage').eq(index).addClass('runClass'); zIndexNext(index,$('.runPage').eq(index)); }
function zIndexNext(index,element){ if ( index >= 1 ) { element.css('z-index',page +10 +2*index); }; setTimeout(function(){ if (index==0) { element.css('z-index',page+2*index); }; element.children('div').css('z-index',page-1+2*index); element.children('img').css('z-index',page+2*index); },1000); }
$('.lastBtn').bind('click',function(){ if ( pageNum >= 1 ) { pageNum--; runLast(pageNum); }; console.log(pageNum); });
function runLast(index){ $('.runPage').eq(index).removeClass('runClass'); zIndexLast(index,$('.runPage').eq(index)); }
function zIndexLast(index,element){ if (index == 0) { element.css('z-index',2*page+1-2*index); }; setTimeout(function(){ element.css('z-index',2*page+1-2*index); element.children('div').css('z-index',2*page+1-2*index); element.children('img').css('z-index',2*page-2*index); },1000); } });