function change(menuobj,tableobj,_menuobj,_tableobj){
  $id(menuobj).className = 'menu_btn_selected';
  $id(tableobj).style.display = 'block';
  
  $id(_menuobj).className = 'menu_btn';
  $id(_tableobj).style.display = 'none';
}
window.onload = function(){
 $id('Cases').lang = $id('Cases').offsetHeight;
}

function Cases(status){
  var Speed = 10;//滑动幅度
  if(status=='收起'){
	$id('Cases_show_btn').innerHTML = '∧';
	$id('Cases_show_btn').title = '展开';
	hideCases(parseInt($id('Cases').offsetHeight),Speed);
  }else{
	$id('Cases_show_btn').innerHTML = '∨';
	$id('Cases_show_btn').title = '收起';
	showCases(0,Speed);
  }
}

function hideCases(height,Speed){
  height-=Speed;
  if(height<=0){
    $id('Cases').style.height = 1;return;
  }
  $id('Cases').style.height = height;
  setTimeout('hideCases('+height+','+Speed+')',1);
}

function showCases(height,Speed){
  height+=Speed;
  var maxHeight = parseInt($id('Cases').lang);
  if(height>=maxHeight){
    $id('Cases').style.height = maxHeight;return;
  }
  $id('Cases').style.height = height;
  setTimeout('showCases('+height+','+Speed+')',1);
}

//搜索域名
function searchDomain(){
  var Domail_obj;
  var key = regExp($id('DomainKey').value);
  var domain = '';
  var radios;
  ($id('en').style.display=='block') ? Domail_obj = 'en' : Domail_obj = 'cn';
  if(IsNull(key)){
	 Alert('错误信息','请输入您要注册的域名',false);return;
  }
  if(Domail_obj=='en'&&!isen(key)){
	 Alert('错误信息','请输入由数字 英文 字母 下划线组成的域名',false);return;
  }
  if(Domail_obj=='cn'&&!iscn(key)){
	 Alert('错误信息','请输入中文域名',false);return;
  }
  radios = $tag($id(Domail_obj),'input');
	 for(var i=0;i<radios.length;i++){
	    if(radios[i].checked==true){
			 domain = radios[i].value;break;
		  }
	 }
  $id('DomainGo').onclick = function(){alert('程序正在搜索中,请等待..');return false;}
  $id('msgpic').style.backgroundImage="url(images/Loading1.gif)";
  Alert('域名查询','正在查询,请稍候..',false);
  var Url = 'ajax.asp?domain='+key+'&yes='+domain+'&action=domain';
  ajax.response(Url,searchDomained);
}

function searchDomained(){
  var html = ajax.request();
  Alert('域名查询结果',html,false);
  $id('msgpic').style.backgroundImage="url(images/alert.jpg)";
  $id('DomainGo').onclick = searchDomain;
}