function $(element) {
	if (arguments.length > 1) {
		for (var i = 0, elements = [], length = arguments.length; i < length; i++)
		  elements.push($(arguments[i]));
		return elements;
	}
	if (typeof element == 'string')
		element = document.getElementById(element);
	return element;
}

function sr_onfocus(o){
	var v = o.value;
	if(v.substring(0,3) == "请输入") o.value = ""
	o.style.color="#000";
}

function tp_search(o){
	var v = o.Key.value;
	if(v.length > 100){
		alert("您输入的关键字过长！");
		return false;
	}
	if(v == ""  || v.substring(0,3) =="请输入") {
		alert("请输入关键字！");
		return false;
	}	
}

function sr_topul_ini(){
	var n = $("sr_n").value;
	var c = $("tl_"+n).className;
	$("tl_"+n).className = c.replace("_","_v_");
	if(n>0){
	$("tl_"+n).onclick = $("tl_"+n).onmouseover = function(){return false}
  }else{
  $("tl_0").style.cursor = 'pointer';
  }
}

function oclick(o){
  var u = 'http://www.yok.com/go.php?Key='+o+'&NO=8&ie=utf-8';
  window.open(u);
}

function kclick(o){
  //alert(this.innerText);
  var u = 'http://www.yok.com/go.php?Key='+o+'&NO=8&ie=utf-8';
  window.open(u);
}

function pagecheck(turl,ext){
    var inputs = document.getElementsByTagName('input'); 
    for (var i = 1; i < inputs.length; i++) {
      var input = inputs[i];
      if (input.type == "text" && input.name == "custompage" && input.value != "") {
      	window.location=turl+input.value+ext;
      }
		}		
}

function addfavorite()
{
  if (document.all)
  {
     window.external.addFavorite(document.location,document.title);
  }
  else if (window.sidebar)
  {
     window.sidebar.addPanel(document.title, document.location, "");
  }
} 

function duty(){
  var disp = $('duty').style.display;
  if(disp == 'none' || disp == ''){
    $('duty').style.display = 'block';  
  }else{
    $('duty').style.display = 'none';
  }
}