var columnrotate={list:[],pos:0,init:function(){var div=document.getElementById('grid-aux').getElementsByTagName('div');var cnt=0;for(var i=0;i<div.length;i++){if(div[i].className.match(/unit g-last/)){columnrotate.list[cnt]=div[i];columnrotate.list[cnt].style.display=(cnt>=3?'none':'block');++cnt;}}},rotate:function(block){if(typeof block=='undefined'){block=3;}else if(block>columnrotate.list.length){block=columnrotate.list.length;}
var p=(columnrotate.pos+block)%columnrotate.list.length;var a=Math.min(p,columnrotate.pos);var b=Math.max(p+block,columnrotate.pos);if(p!=columnrotate.pos){if(p<columnrotate.pos){b=columnrotate.list.length;}
for(var i=a;i<b;i++)if(typeof columnrotate.list[i]!='undefined'){columnrotate.list[i].style.display=(i<p||i>=p+block?'none':'block');}}
columnrotate.pos=p;counter.countPI();}}
poma.addLoadEvent(function(){columnrotate.init();});