//检查搜索
function checksearch1()
{
	var s_search=document.getElementById('s_search');
  	if(Trim(s_search.value)=="")
	{
	  alert('产品名为空');
	   s_search.focus();
	   return false;
	}
}
function checksearch()
{
	var keyword=document.getElementById('keyword');
  	if(Trim(keyword.value)=="")
	{
	  alert('关键字为空');
	   keyword.focus();
	   return false;
	}
}

function Trim(sText) 
{ 
    return sText.replace(new RegExp("(^[\\s]*)|([\\s]*$)", "g"), ""); 
}

function bookmarkit()
 {
   external.addFavorite('http://www.desktop.net.cn','深圳通用条码技术有限公司')
}

function fn(main){
	if(document.getElementById(main).style.display=='none'){
		 document.getElementById(main).style.display='block';
	}
	else{
		 document.getElementById(main).style.display='none';
	}
}
function b(m){
     document.getElementById(m).style.display='block';
}