function changeproduct(ipro,icat,id,count){
	for(i=1;i<=count;i++){
		try{
			document.getElementById('list_'+icat+'_'+i).className='li1';
		}
		catch(e){}	
		document.getElementById('list_'+icat+'_'+id).className='li1s';
	}
	var str = $("#productid_"+ipro).html();
	var strpic = $("#productpic_"+ipro).html();
	$("#title_"+icat).html(str);
	$("#picture_"+icat).html(strpic);
	var showfade = $("#picture_"+icat).fadeOut(10,function (){
														$("#picture_"+icat).fadeIn();
												});
	clearInterval(showfade);
}