var SideAd=Class.create();SideAd.prototype={_itemCnt:0,initialize:function(){h=Element.getDimensions($('wrap')).height;this._itemCnt=Math.floor(h/140);this._requestAjax();},_requestAjax:function(){var post='cnt='+this._itemCnt;new Ajax.Request('lib/AjaxAmazon.php',{method:'post',postBody:post,onComplete:function(request){eval("var json="+request.responseText);Element.update($('sideR'),json['tags']);var elms=document.getElementsByClassName('_blankA');for(i=0;i<elms.length;i++){Event.observe(elms[i],'click',function(e){common.openWindow(e);},false);}}.bind(this)});}};Event.observe(window,'load',sideAdInit,false);var sideAdInit=null;function sideAdInit(){sideAd=new SideAd();}