var path='/Services/Product.asmx/';var Index=5;var Text;var Cache=[];var preid,pre;var nextid,next;function ChangeBox(e,a){e.className=a==1?'show_bg':'show_no_bg'}function ChangeImg(){var a=$F('count');pre=$('pre_button');next=$('next_button');if(Index>5){if(pre.className=='pre_none'){pre.className='pre_on';Event.observe(pre,'click',Pre);Event.observe(pre,'mouseover',pre_over);Event.observe(pre,'mouseout',un_pre_over)}}else{pre.className='pre_none';Event.stopObserving(pre,'click',Pre);Event.stopObserving(pre,'mouseover',pre_over);Event.stopObserving(pre,'mouseout',un_pre_over)}if(Index<a){if(next.className!='next_none')return;next.className='next_on';Event.observe(next,'click',Next);Event.observe(next,'mouseover',next_over);Event.observe(next,'mouseout',un_next_over)}else{next.className='next_none';Event.stopObserving(next,'click',Next);Event.stopObserving(next,'mouseover',next_over);Event.stopObserving(next,'mouseout',un_next_over)}}function pre_over(){pre.addClassName('pre_over')}function un_pre_over(){pre.removeClassName('pre_over')}function next_over(){next.addClassName('next_over')}function un_next_over(){next.removeClassName('next_over')}function Pre(){Text=Cache['Pre'+preid];$('productlist').innerHTML=Text;Text.evalScripts();Index-=5;ChangeImg()}function Next(){if(!nextid)nextid=$F('nextid');Text=Cache[nextid];if(Text){$('productlist').innerHTML=Text;Text.evalScripts();Index+=5;ChangeImg();return}var b={method:'get',parameters:'stockid='+nextid+'&classid1='+$F('hiclassid1'),onComplete:function(a){Text=TransXml(a.responseXML);Cache['Pre'+nextid]=$('productlist').innerHTML;Cache[nextid]=Text;$('productlist').innerHTML=Text;Text.evalScripts();Index+=5;ChangeImg()}};new Ajax.Request(path+'Select_SaleNext',b)}