/****tab menu****/
function $t(){}
$t.prototype = {
	$do : function(menus,divs,openClass,closeClass){
		var _this = this;
		if(menus.length != divs.length)
		{alert("菜单层数量和内容层数量不一致!");
			return false;}				
		for(var i = 0 ; i < menus.length ; i++)
		{	_this.$(menus[i]).value = i;
		
			_this.$(menus[i]).onmouseover = function(){
				for(var j = 0 ; j < menus.length ; j++)
				{	_this.$(menus[j]).className = closeClass[j];
					_this.$(divs[j]).style.display = "none";}
					
				_this.$(menus[this.value]).className = openClass[this.value];
				
				_this.$(divs[this.value]).style.display = "block";				
			}}},
	$ : function(oid){	if(typeof(oid) == "string")
		return document.getElementById(oid);
		return oid;	}}				
		
		
window.onload = function(){
	var $tabs = new $t();
	 
    MM_preloadImages('images/index/zx_2.gif','images/index/zw_4.gif','images/index/zw_6.gif','images/index/zw_8.gif','images/index/zw_10.gif','images/index/zw_12.gif','images/index/zw_14.gif','images/index/zw_16.gif','images/index/zw_18.gif','images/index/zw_20.gif','images/index/zw_22.gif');
	MM_preloadImages('images/index/a_2.gif','images/index/b_2.gif','images/index/b_3.gif','images/index/b_4.gif','images/index/b_5.gif');
	MM_preloadImages('images/index/d1.jpg','images/index/d2.jpg','images/index/d3.jpg','images/index/d4.jpg','images/index/d5.jpg','images/index/d6.jpg');
	$tabs.$do(["m1","m2","m3","m4"],["c1","c2","c3","c4"],["bq1_1","bq1_4","bq1_6","bq1_8"],["bq1_2","bq1_3","bq1_5","bq1_7"]);
	$tabs.$do(["mm1","mm2","mm3","mm4"],["cc1","cc2","cc3","cc4"],["bq2_1","bq2_4","bq2_6","bq2_8","bq2_10"],["bq2_2","bq2_3","bq2_5","bq2_7"]);
	$tabs.$do(["mm1x","mm2x","mm3x","mm4x"],["cc1x","cc2x","cc3x","cc4x"],["bq2_1x","bq2_4x","bq2_6x","bq2_8x","bq2_10x"],["bq2_2x","bq2_3x","bq2_5x","bq2_7x"]);
	
	

	
	$tabs.$do(["mmmmmmm1","mmmmmmm2"],["ccccccc1","ccccccc2"],["bq6_1","bq6_1"],["bq6_2","bq6_2"]);
	//*通知通告0525*
 $tabs.$do(["ggqh_1","ggqh_2"],["ggqh1","ggqh2"],["bq_ggqh_01","bq_ggqh_01"],["bq_ggqh_02","bq_ggqh_02"]);
floatAD() ;
}