//导航菜单
<!--//--><![CDATA[//><!--
function menuFix() {
 var sfEls = document.getElementById("nav").getElementsByTagName("li");
 for (var i=0; i<sfEls.length; i++) {
  sfEls[i].onmouseover=function() {
  this.className+=(this.className.length>0? " ": "") + "sfhover";
  }
  sfEls[i].onMouseDown=function() {
  this.className+=(this.className.length>0? " ": "") + "sfhover";
  }
  sfEls[i].onMouseUp=function() {
  this.className+=(this.className.length>0? " ": "") + "sfhover";
  }
  sfEls[i].onmouseout=function() {
  this.className=this.className.replace(new RegExp("( ?|^)sfhover\\b"),

"");
  }
 }
}
window.onload=menuFix;

//--><!]]>


//产品菜单
var timeout = 0;
var closetimer= 0;
var ddmenuitem  = 0;
function nav_open()
{nav_canceltimer();
nav_close();
ddmenuitem = $(this).find('.stair').eq(0).css('visibility', 'visible');}
function nav_close()
{if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');}
function nav_timer()
{closetimer = window.setTimeout(nav_close, timeout);}
function nav_canceltimer()
{if(closetimer)
{window.clearTimeout(closetimer);
closetimer = null;}}
$(document).ready(function(){
$('#navss > li').bind('mouseover', nav_open);
$('#navss > li').bind('mouseout',  nav_timer);

$(".navli").mouseover(
function(){
$(this).addClass("hover");
 }
)
$(".navli").mouseout(
function(){
$(this).removeClass("hover");
}
)


});
   
if(window.jQuery){jQuery(function(){
(function(){ jQuery('div.m1').bind('mouseover', function(event, ui){var target = jQuery('div.cnm1'); target.addClass('blok'); var target = jQuery('div.m1'); target.addClass('m2')});})();
(function(){ jQuery('div.cnm1').bind('mouseover', function(event, ui){var target = jQuery('div.cnm1'); target.addClass('blok'); var target = jQuery('div.m1'); target.addClass('m2')});})();
(function(){ jQuery('div.m1').bind('mouseout', function(event, ui){var target = jQuery('div.m1'); target.removeClass('m2'); var target = jQuery('div.cnm1'); target.removeClass('blok')});})();
(function(){ jQuery('div.cnm1').bind('mouseout', function(event, ui){var target = jQuery('div.cnm1'); target.removeClass('blok'); var target = jQuery('div.m1'); target.removeClass('m2')});})();
})};