// JScript File
//重要须知:请勿修改本文件内的任何代码,
//任何修改(包括变量,语句)都可能导致脚本错误.
function SetWinHeight(obj)
{
    var win=obj;
    if (document.getElementById)
    {
       if (win && !window.opera)
       {
        if (win.contentDocument && win.contentDocument.body.offsetHeight)
         win.height = win.contentDocument.body.offsetHeight+300;
        else if(win.Document && win.Document.body.scrollHeight)
         win.height = win.Document.body.scrollHeight+10;
       }
    }
}

function Search()
{
    var searchBox=document.getElementById('textfield');
    var keywords=encodeURIComponent(searchBox.value);
    if(keywords=='')
    {
        alert("Please input criteria.");
        searchBox.focus();
        return false;
    }  
    location.href="search.html?keywords="+keywords;
}
function KeyDown(evt) 
{
    if(!document.all)
   {
         if (evt.keyCode == 13) 
        {
            Search();
        } 
   } 
}
//获得查询字符串的参数值
function GetArgsFromHref(sHref, sArgName)
{
    var args  = sHref.split("?");
    var retval = "";
    
    if(args[0] == sHref) //参数为空
    {
         return retval; //无需做任何处理
    }  
    var str = args[1];
    args = str.split("&");
    for(var i = 0; i < args.length; i ++)
    {
        str = args[i];
        var arg = str.split("=");
       
        if(arg.length <= 1) continue;
        if(arg[0] == sArgName) retval = arg[1]; 
    }
    return retval;
}