var isIE=document.all?true:false;
function $(i){return document.getElementById(i);}
function addBookmark(title,url) {
    if (window.sidebar) {
        window.sidebar.addPanel(title, url,"");
    } else if( document.all ) {
        window.external.AddFavorite( url, title);
    } else if( window.opera && window.print ) {
        return true;
    }
}
function setHomePage(url){
    if (window.sidebar)
    {
        try { 
           netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect"); 
        } 
        catch (e) 
        {  
           alert("此操作被浏览器拒绝！\n请在浏览器地址栏输入“about:config”并回车\n然后将[signed.applets.codebase_principal_support]设置为'true'"); 
        } 
        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
            prefs.setCharPref('browser.startup.homepage',url);

    }
}
function search(type){
	if (type==0)
	{
		if (event.keyCode!=13 || event.keyCode!=0)
		{
			//alert(event.keyCode);
			return;
		}
	}
	var kw = $('keyword').value.replace(/(^\s*)|(\s*$)/g, "");
	if(kw == "") {
	  //$('keyword').focus();
	  //return;
	}	
	var type=$('baidu').checked;
	if(type)
	{
		$("wd").value=kw;
        $("baidusearch").submit();
	}else{
		$("q").value=kw;
		$("googlesearch").submit();
	}
	$("suggest").style.display = "none";
}
function goSearch(event) {
	if(!isIE)  return ;
	if(!event) return;
	if(event.keyCode==13) 
		search(0);
}

function googleHint(key){
  if($('gsuggest'))$('gsuggest').removeNode(true);
  if (document.readyState=="complete"){
    var sg=document.body.appendChild(document.createElement('script'));
    sg.language='javascript';
    sg.id='gsuggest';
    sg.charset='utf-8';
    sg.src='http://www.google.cn/complete/search?hl=zh-CN&client=suggest&js=true&q=' + encodeURIComponent(key);
   }
}
function myhint(event){
   if(!isIE)  return ;
   var keyword=$('keyword');
   var h=$('suggest');
   if(!keyword.value || !keyword.value.length || event.keyCode==27 || event.keyCode==13){
       h.style.display='none';
       return;
   }
   if(event.keyCode==38 || event.keyCode==40){
     if(h.style.display=='none') return;
       if(event.keyCode==38){
         if(h._i==-1)h._i=h.firstChild.rows.length-1;
         else{
	     h._i--;
         } 
      }else{
         h._i++;
      } 
    for(var i=0;i<h.firstChild.rows.length;i++)h.firstChild.rows[i].style.background="#FFF";
      if(h._i >= 0 && h._i < h.firstChild.rows.length)with(h.firstChild.rows[h._i]){
        style.background="#E6E6E6";
        keyword.value=cells[0].innerText;
      }else{
        keyword.value=h._kw;
        h._i=-1;
      } 
    }else{
      h._i=-1;
      h._kw=keyword.value;
      googleHint(keyword.value);
      var pos=getPosition(keyword);
      with(h.style){
        left=pos.x;
        top=pos.y+keyword.offsetHeight;
        width=keyword.offsetWidth + 13;
      } 
    } 
}
window.google={

} ;
window.google.ac={
} ;
window.google.ac.Suggest_apply=function(a,b,c,d){
 if(!c || c.length<3) return;
 if(b != $('keyword').value) return;
 var ihtml='';
 if (document.readyState=="complete")
 {
  for(var j=1;j<c.length;j+=2)ihtml+='<tr style="cursor:hand" onmouseover="this.style.background=\'#E6E6E6\';$(\'keyword\').value=\'' +c[j] +'\';" onmouseout="this.style.background=\'#FFF\';"><td style="color:#000" align="left">' +c[j] +'</td><td style="color:#090" align="right" style="font-size:11.5px;">' +c[j+1] +'</td></tr>';
    $('suggest').innerHTML='<table width="100%" border="0" cellpadding="0" cellspacing="0">'+ihtml+'</table>';
    $('suggest').style.display="block";
  }else{
    //setTimeout("myhint(event)", 2000);
  }
};
function getPosition(ele){
	var overflown = [];
	var el = ele, left = -5, top = 2;
	do {
		left += el.offsetLeft || 0;
		top += el.offsetTop || 0;
		el = el.offsetParent;
	} while (el);
	return {'x': left, 'y': top};
}