function fnRemoveBrank(strSource)
{
 return strSource.replace(/^\s*/,'').replace(/\s*$/,'');
}
function onSearch(){
if(fnRemoveBrank(searchForm.keyword.value)==""){
alert("请输入查询关键字");
searchForm.keyword.focus();
return false ;
}
//searchForm.action = searchForm.SearchAction.options[searchForm.SearchAction.selectedIndex].value ;
	{
	var index = document.searchForm.searchaction.options.selectedIndex;
	var searchaction = document.searchForm.searchaction.options[index].value;
		searchForm.action ="http://search.foodqs.cn/"+searchaction
	}
}
function check()
{
if(loginform.login.value=="")
{
alert("请输入用户名");
loginform.login.focus();
return(false);
}
if(loginform.pwd.value=="")
{
alert("请输入密码");
loginform.pwd.focus();
return(false);
}
}