js 很好的下拉菜单

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JavaScript

prototype JavaScript HTML

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Phenix PanelBar</title>
<script language="javascript">
/*--------------------------------------------------|
| Phenix PanelBar | www.seu.edu.cn                   |
|---------------------------------------------------|
|                                                    |
|   I believe one day I can fly like phenix!          |
|                                                    |
| Finished: 17.11.2004                               |
|--------------------------------------------------*/

//item object
//alert("arrived here");
function PhenItem(id,pid,label,url,type,img,over,img2,over2,title,target){

    this.id=id;
    this.pid=pid;
    this.label=label;
    this.url=url;
    this.title=title;
    this.target=target;
    this.img=img;
    this.over=over;
    this.img2=img2;
    this.over2=over2;
    this.type=type;
    //this._ih = false; //is it the head item?
    this._hc = false;    //has the child item?
    this._ls = false; //has sibling item?
    this._io = false; //whether the panelbar is open?
};

//menu object
function PhenMenu(objName) {

this.config = {

closeSameLevel : true

};
//alert("asdsdf");
this.obj = objName;

this.items = [];

this.root = new PhenItem(-1);

};

//add a new item to the item array
PhenMenu.prototype.add = function(id,pid,label,url,type,img,over,img2,over2,title,target){
this.items[this.items.length] = new PhenItem(id,pid,label,url,type,img,over,img2,over2,title,target);
};

// Outputs the menu to the page
PhenMenu.prototype.toString = function() {
//alert("arrived here");
var str = '<div>\n';

if (document.getElementById) {

str += this.addItem(this.root);

} else str += 'Browser not supported.';

str += '\n</div>';
//alert(str);
//document.write(str);
//alert(this.items[0]._hc);
return str;

};

// Creates the menu structure
PhenMenu.prototype.addItem = function(pItem) {

var str = '';

//var n=0;

for (var n=0; n<this.items.length; n++) {

   if(this.items[n].pid == pItem.id){

    var ci = this.items[n];
    //alert(ci.pid);
    //alert(ci.id);
    this.setHS(ci);
    //alert("item:"+ci._hc);
    //alert(ci._ls);
    str += this.itemCreate(ci, n);

    if(ci._ls) break;

   }

}

return str;

};

// Creates the node icon, url and text
PhenMenu.prototype.itemCreate = function(pItem, itemId) {
//alert(pItem.type.toLowerCase());
var str = '';

if(pItem.type == 'header')
str = '<table width="100%" class="header" valign="middle" onmouseover="this.className=\'headerSelected\'" onmouseout="this.className=\'header\'" onclick="'+this.obj+'.o('+itemId+')"><tr><td>';

else
str = '<table width="100%" class="item" valign="middle" onmouseover="this.className=\'itemOver\'" onmouseout="this.className=\'item\'" onclick="'+this.obj+'.o('+itemId+')"><tr><td>';

if (pItem.img) {

str += '  <img id="i' + this.obj + itemId + '" src="' + pItem.img + '" alt="" />';

}
if (pItem.url) {
   str += '<a id="s' + this.obj + itemId + '" class="navigation_item" href="' + pItem.url + '"';
   if (pItem.title) str += ' title="' + pItem.title + '"';
   if (pItem.target) str += ' target="' + pItem.target + '"';
   str += ' onmouseover="window.status=\'' + pItem.label + '\';return true;" onmouseout="window.status=\'\';return true;"';
   str += '>';
}
str += '    ' + pItem.label;
if (pItem.url) str += '</a>';
str += '</td></tr></table>';
//alert(pItem.url);
//alert(str);
if (pItem._hc) {
   str += '<table id="ct' + this.obj + itemId + '" width="100%" style="display:' + ((pItem._io) ? 'block' : 'none') + '; FILTER: blendTrans(Duration=3.0); VISIBILITY: hidden"><tr><td>';
   str += this.addItem(pItem);
   str += '</td></tr></table>';
   //alert(str);
   //document.write(str);
}

return str;
};

// Checks whether a item has child and if it is the last sibling
PhenMenu.prototype.setHS = function(pItem) {

var lastId;

for (var n=0; n<this.items.length; n++) {

if (this.items[n].pid == pItem.id) pItem._hc = true;

if (this.items[n].pid == pItem.pid) lastId = this.items[n].id;

}

if (lastId==pItem.id) pItem._ls = true;

};

// Toggle Open or close
PhenMenu.prototype.o = function(id) {
//alert(this.items.length);
var ci = this.items[id];
//alert(ci);
//this.setHS(ci);
//alert(this.items[id]._hc);
this.itemStatus(!ci._io, id);

ci._io = !ci._io;

if (this.config.closeSameLevel) this.closeLevel(ci);

};

// Change the status of a item(open or closed)
PhenMenu.prototype.itemStatus = function(status, id) {

cTable = document.getElementById('ct' + this.obj + id);

if(status){

   cTable.filters.item(0).Apply();
   cTable.style.display = 'block';
   cTable.style.visibility = "";
   cTable.filters.item(0).Play();
}
else
   cTable.style.display = 'none';

//cDiv.style.display = (status) ? 'block': 'none';

};

// Closes all items on the same level as certain item
PhenMenu.prototype.closeLevel = function(pItem) {
                //alert(this.items[0]._hc);
for (var n=0; n<this.items.length; n++) {
             //alert(this.items[n]._hc);
   if ((this.items[n].pid == pItem.pid) && (this.items[n].id != pItem.id) && this.items[n]._hc) {

    this.itemStatus(false, n);

this.items[n]._io = false;

this.closeAllChildren(this.items[n]);

}

};

PhenMenu.prototype.closeAllChildren = function(pItem) {

for (var n=0; n<this.items.length; n++) {

if (this.items[n].pid == pItem.id && this.items[n]._hc) {

if (this.items[n]._io) this.itemStatus(false, n);

this.items[n]._io = false;

this.closeAllChildren(this.items[n]);

}

};
</script>
<style>
.header {
height:25px;
FONT-FAMILY: Arial,Verdana;
background-image:url(images/sideNavCategoryBg.gif);
font-size:11px;
color: #666666;

}
.headerSelected {
height:25px;
FONT-FAMILY: Arial,Verdana;
background-image:url(images/sideNavCategorySelectedBg.gif);
font-size:11px;
background-repeat:repeat-x;
COLOR: #333333;
CURSOR: pointer;
}

.navigation_item {
PADDING-LEFT: 20px; FONT-SIZE: 11px; CURSOR: pointer; COLOR: #000000; FONT-FAMILY: Arial,Verdana; HEIGHT: 20px; TEXT-DECORATION: none
}
.item {
PADDING-LEFT: 2px; FONT-SIZE: 11px; CURSOR: pointer; COLOR: #000000; FONT-FAMILY: Arial,Verdana; HEIGHT: 20px;
}
.itemOver {
PADDING-LEFT: 2px; FONT-SIZE: 11px; CURSOR: pointer; COLOR: #333333; FONT-FAMILY: Arial,Verdana; HEIGHT: 20px; font-weight:bold; background-color:#EDEDED
}
.itemSelected {
PADDING-LEFT: 20px; FONT-SIZE: 11px; CURSOR: pointer; COLOR: #000000; FONT-FAMILY: Arial,Verdana; HEIGHT: 20px; TEXT-DECORATION: underline;
}

A.headerSelected {
PADDING-RIGHT: 0px; PADDING-LEFT: 0px; BACKGROUND-IMAGE: none; PADDING-BOTTOM: 0px; PADDING-TOP: 0px; HEIGHT: 10px
}
</style>
</head>
<body>
<table width="221" border="0" cellspacing="0" cellpadding="0">
<tr>
<td>
<p>Phenix panelbar</p>

   p = new PhenMenu('p');
         //alert("asds");
   p.add(0,-1,'label1凤凰','','header','http://www.telerik.com/images/ProductImages//e.gif');
   p.add(1,0,'label1.1凤凰','www.sina.com.cn');
   p.add(2,0,'label1.2','www.sina.com.cn');
   p.add(3,0,'label1.3','www.sina.com.cn');
   p.add(4,0,'label1.4','www.sina.com.cn');

   p.add(5,-1,'label2','','header','http://www.telerik.com/images/ProductImages//c.gif');
   p.add(6,5,'label2.1','www.seu.edu.cn');
   p.add(7,5,'label2.2','www.seu.edu.cn');
   p.add(8,5,'label2.3','www.seu.edu.cn');
   p.add(9,5,'label2.4','www.seu.edu.cn');

   p.add(10,-1,'label3','','header','http://www.telerik.com/images/ProductImages//m.gif');
   p.add(11,10,'label3.1','www.seu.edu.cn');
   p.add(12,10,'label3.2','www.seu.edu.cn');
   p.add(13,10,'label3.3','www.seu.edu.cn');
   p.add(14,10,'label3.4','www.seu.edu.cn');

   p.add(15,-1,'label4','','header','http://www.telerik.com/images/ProductImages//r.gif');
   p.add(16,15,'label4.1','www.seu.edu.cn');
   p.add(17,15,'label4.2','www.seu.edu.cn');
   p.add(18,15,'label4.3','www.seu.edu.cn');
   p.add(19,15,'label4.4','www.seu.edu.cn');
         //alert(p.items.length)
   document.write(p);

   //p.toString();
         //alert(p.items.length);
   //delete(p);
</script> </td>
   </tr>
</table>
</body>
</html>

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js 正则表达式验证邮箱事例 | js 新闻切换技术，163、msn那种

2009-08-25 18:16
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