$(document).ready(function(){

	$('#BBS_Nav').click(function(){
		hideBBSAllSelect();
		BBSMenuPosition(this.id);
		BBSMenuDivShow(this.id);		
	}).mouseout(function () { showBBsAllSelect();$('#' + this.id + '_menu').hide(); });

});
/// ready end


function showTabs(n) {
 var strSCls1='m_three_LTLitag';
 var strSCls2='m_three_LTLitaga';  //选中的标签
  var tabsNumber = 2;
  for (i = 1; i <= tabsNumber; i++) {
      if (i == n) {
          document.getElementById("tabPanel_" + i).style.display = "block";
		  document.getElementById("tab_" + i).className=strSCls2;
      } else {
          document.getElementById("tabPanel_" + i).style.display = "none";
		  document.getElementById("tab_" + i).className=strSCls1;
      }
  }
}

function RankTabs(tabid,n) {
 var strSCls1='eight_rzyli';
 var strSCls2='eight_rzylia';  //选中的标签
  var tabsNumber = 3;
  for (i = 1; i <= tabsNumber; i++) {
      if (i == n) {
          document.getElementById(tabid + "_" + i+ "_1").style.display = "block";
		  document.getElementById(tabid +"_" + i).className=strSCls2;
      } else {
          document.getElementById(tabid + "_" + i+ "_1").style.display = "none";
		  document.getElementById(tabid +"_" + i).className=strSCls1;
      }
  }
}

//下拉菜单的定位
function BBSMenuPosition(ShowID){
	var offset = $('#' + ShowID).offset();
	var divheight = $('#' + ShowID).innerHeight();
	$('#' + ShowID +'_menu').css({
		'left':offset.left-7,
		'top':offset.top + divheight,
		'position':'absolute'
	}).show();
}

//显示或隐藏层

function BBSMenuDivShow(showdiv){
	$('#' + showdiv + '_menu').mouseover(function () {$(this).show(); hideAllSelect();});
	$('#' + showdiv + '_menu').mousemove(function () {$(this).show(); hideAllSelect();});
	$('#' + showdiv + '_menu').mouseout(function () { $(this).hide(); showAllSelect();});
}

function check()
{
	if ( document.getElementById('banner').value=="") 
	{
		alert('请输入您想查询的关键字！');
		 document.getElementById('banner').focus();
		return false;
	}
}
   
function ShowMessageBox() 
 { 
 	var BsearchLabel ='请输入要进入的版面';	
 	var s_key = $('#searchbox').val(); 
	if (s_key == "" || s_key == BsearchLabel)
	{ 
		alert("请输入您想要进入的版面");
		$('#searchbox').focus;
		return false;
	 }  
	else 
	{
		ajaxurl='http://bbs.instrument.com.cn/ajax/ajax_BoradSearch.asp?skey=' + escape(s_key);
		floatDiv('',400,200);
		getajax(ajaxurl,'messagebox_body');
		hideAllSelect();	
	}	
 }
 
 function hideBBSAllSelect() 
{ 
	//隐藏falsh
	var objs = document.getElementsByTagName("OBJECT");
	for(i = 0;i < objs.length; i ++) {
		if(objs[i].style.visibility != 'hidden') {
			objs[i].setAttribute("oldvisibility", objs[i].style.visibility);
			objs[i].style.visibility = 'hidden';
		}
	}
	

} 

function showBBsAllSelect() 
{ 
	//显示falsh	
	var objs = document.getElementsByTagName("OBJECT");
	for(i = 0;i < objs.length; i ++) {
		if(objs[i].attributes['oldvisibility']) {
			objs[i].style.visibility = objs[i].attributes['oldvisibility'].nodeValue;
			objs[i].removeAttribute('oldvisibility');
		}
	}
	
}