鼠标经过弹出下拉菜单效果-JS特效-爱易网页

鼠标经过弹出下拉菜单效果

日期：2014-05-18　浏览次数：20253 次

以下是程序代码

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="keywords" content="站长,网页特效,js特效,广告代码,zzjs,zzjs.net,sky,www.zzjs.net,站长特效 网" />
<meta name="description" content="www.zzjs.net,站长特效网，站长必备js特效及广告代码。大量高质量js特效，提供高质量广告代码下载,尽在站长特效网" />
<title>导航菜单下拉效果，sky整理收集。</title>
<SCRIPT language=JavaScript>

</SCRIPT>
<SCRIPT language=JavaScript>
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menuPrefix = 'menu';  // Prefix that all menu layers must start with
                      // All layers with this prefix will be treated
                      // as a part of the menu system.
var menuTree, mouseMenu, hideTimer, doHide;
//欢迎来到站长特效网，我们的网址是www.zzjs.net，很好记，zz站长，js就是js特效，本站收集大量高质量js代码，还有许多广告代码下载。
function init() {
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  ns4 = (document.layers)?true:false;
  document.onmousemove = mouseMove;
  if (ns4) { document.captureEvents(Event.MOUSEMOVE); }
}
function expandMenu(menuContainer,subContainer,menuLeft,menuTop) {
    // Hide all submenus thats's not below the current level
    doHide = false;
  if (menuContainer != menuTree) {
      if (ie4) {
      var menuLayers = document.all.tags("DIV");
      for (i=0; i<menuLayers.length; i++) {
        if ((menuLayers[i].id.indexOf(menuContainer) != -1) && (menuLayers[i].id != menuContainer)) {
          hideObject(menuLayers[i].id);
        }
      }
    }
    else if (ns4) {
      for (i=0; i<document.layers.length; i++) {
        var menuLayer = document.layers[i];
        if ((menuLayer.id.indexOf(menuContainer) != -1) && (menuLayer.id != menuContainer)) {
          menuLayer.visibility = "hide";
        }
      }
    }
  }
  // If this is item has a submenu, display it, or it it's a toplevel menu, open it
  if (subContainer) {
    if ((menuLeft) && (menuTop)) {
        positionObject(subContainer,menuLeft,menuTop);
        hideAll();
    }
    else {
      if (ie4) {
          positionObject(subContainer, document.all[menuContainer].offsetWidth + document.all[menuContainer].style.pixelLeft - 10, mouseY);
      }
      else {
          positionObject(subContainer, document.layers[menuContainer].document.width + document.layers[menuContainer].left + 50, mouseY);
      }
    }
    showObject(subContainer);
    menuTree = subContainer;
  }
}
//欢迎来到站长特效网，我们的网址是www.zzjs.net，很好记，zz站长，js就是js特效，本站收集大量高质量js代码，还有许多广告代码下载。
function showObject(obj) {
  if (ie4) { document.all[obj].style.visibility = "visible"; }
  else if (ns4) { document.layers[obj].visibility = "show";  }
}
function hideObject(obj) {
  if (ie4) { document.all[obj].style.visibility = "hidden"; }
  else if (ns4) { document.layers[obj].visibility = "hide"; }
}
function positionObject(obj,x,y) {
  if (ie4) {
    var foo = document.all[obj].style;
    foo.left = x;
    foo.top = y;
  }
  else if (ns4) {
    va</div></div>

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