function seach()
{
	var key = document.getElementById("txtkey").value;
	var tempkey = trim(key);
	if(tempkey.length>0)
	{
		key = relaceBadWord(key);
		key = escape(key);
		window.location = "/user/seachinfo.aspx?key="+key;
	}else
	{
		alert("请输入要查找的关键字");
		document.getElementById("txtkey").focus();
	}
}
function setNav()
{
	alert("dd");
	var navs = G("nav").getElementsByTagName("a");
	for(i=0;i<navs.length;i++)
	{
		alert(navs[i].innerText);
	}
}
function   trim(vStr)   
{ 
      return   vStr.replace(/(^\s+)|(\s+$)/g, ""); 
}


function relaceBadWord(str)
{
	str = str.replace("'","");
	str = str.replace("<","");
	str = str.replace(">","");
	return str;
}