function onSearch()
{
	var searchvalue=document.getElementById("keywordvalueid").value;
	if(searchvalue.length<=0)
	{
		alert("请输入关键字！");
	}
	else
	{
		location.href="/search/"+searchvalue+".htm";
	}
}
function  searchtextkeydown(e)   
{  
	var e=e||event;
	if(e.keyCode==13)
	{  
		onSearchByConent();
	}  
}
function onSearchByConent()
{
	var searchvalue=document.getElementById("keywordvalueid").value;
	if(searchvalue=="请输入要搜索的关键词")
	{
		alert("请输入要搜索的关键字！");
		return;
	}
	if(searchvalue.length<=0)
	{
		alert("请输入关键字！");
	}
	else
	{
		location.href="/search/"+searchvalue+".htm";
		window.event.returnValue = false;
	}	
} 
function onSearchByKeyword(keyword)
{
		location.href="/search/"+keyword+".htm";
		window.event.returnValue = false;
}