function $() {
  var elements = new Array();

  for (var i = 0; i < arguments.length; i++) {
    var element = arguments[i];
    if (typeof element == 'string')
      element = document.getElementById(element);

    if (arguments.length == 1)
      return element;

    elements.push(element);
  }

  return elements;
}

function trim(str){ //删除左右两端的空格
return str.replace(/(^\s*)|(\s*$)/g, "");
}
function ltrim(str){ //删除左边的空格
return str.replace(/(^\s*)/g,"");
}
function rtrim(str){ //删除右边的空格
return str.replace(/(\s*$)/g,"");
}
//CSS背景控制
function overColor(Obj)
{
	var elements=Obj.childNodes;
	for(var i=0;i<elements.length;i++)
	{
		elements[i].className="TR_BG"
		Obj.bgColor="";//颜色要改
	}
	
}
function outColor(Obj)
{
	var elements=Obj.childNodes;
	for(var i=0;i<elements.length;i++)
	{
		elements[i].className="TR_BG_list";
		Obj.bgColor="";
	}
}

function DoSearch()
{
    if(document.getElementById('key').value.length<2)
    {
        alert('输入的关键字太少');
        return false;
    }
    keyword=document.getElementById('key').value.replace('\'','');
    location.href=('search.aspx?keyword='+escape(keyword)+'&searchType='+document.getElementById('searchType').value);
    document.getElementById('key').value='';
    document.getElementById('key').focus();
    return false;
}
function DoSearchDef(NetWebSearch)
{
    debugger;
    if(document.getElementById('keyDef').value.length<2)
    {
        alert('输入的关键字太少');
        return false;
    }
    keyword=document.getElementById('keyDef').value.replace('\'','');
    //location.href=(NetWebSearch+'search.aspx?q='+escape(keyword));
    newWin=open("","","");
    newWin.location.href=NetWebSearch+'search.aspx?q='+escape(keyword);
    document.getElementById('keyDef').value='';
    document.getElementById('keyDef').focus();
    return false;
}
function highLight(str,key,color){
  keyE=key.replace(/\\/g,"\\\\").replace(/\//g,"\\/").replace(/\"/g,"\\\"").replace(/\'/g,"\\\'").replace(/\r/g,"\\r").replace(/\n/g,"\\n");
  return(str.replace(eval("\/(>.*)"+keyE+"(.*<)\/gi"),"$1"+key.fontcolor(color)+"$2"));
}