javascript|浮动|工具条
该程序是我从别人的网站上分析出来的!由于对方的网站使用了框架,而且又取消了鼠标的右键功能,因此费了好长时间! 
当你浏览该页时,工具条始终浮在左上角,你若不喜欢,可以自己调节摆放位置!若想多页使用该代码,可以把JSP程序部分写成JS的文件,然后再通过调用来实现,有不明白的地方,欢迎各位与我交流! 
演示地址: 
<HTML> 
<HEAD> 
<TITLE></TITLE> 
<META http-equiv="Content-Type" content="text/html; charset=gb2312"> 
<STYLE type="text/css"> 
.wdBlack{ font-size:9pt; line-height:11pt; font-family:宋体; color:black } 
.wdGray{ font-size:9pt; line-height:11pt; font-family:宋体; color:#CCCCCC } 
.wdBlue{ font-size:9pt; line-height:11pt; font-family:宋体; color:#2F8BDF } 
.wdRed{ font-size:9pt; line-height:11pt; font-family:宋体; color:red } 
.wdWhite{ font-size:9pt; line-height:11pt; font-family:宋体; color:white } 
.moveme{cursor: move;} 
.handle{cursor: move;} 
.coolBar{background: #fffffc;border-top: 1px solid buttonhighlight; border-left: 1px solid buttonhighlight; border-bottom: 1px solid buttonshadow; border-right: 1px solid buttonshadow; padding: 2px; font: menu;} 
.coolButton{font-size:9pt;border: 1px solid buttonface; padding: 1px; text-align: center; cursor: hand;color:#555555} 
.coolButton IMG {filter: gray();} div{ font-size:9pt; line-height:11pt; font-family:宋体; color:black } 
Text{ font-size:9pt; line-height:11pt; font-family:宋体; color:black } 
INPUT{ font-size:9pt; line-height:11pt; font-family:宋体; color:black } 
table{ font-size:9pt; line-height:11pt; font-family:宋体; color:black } 
body{ font-size:9pt; line-height:11pt; font-family:宋体; color:black } 
form{ font-size:9pt; line-height:11pt; font-family:宋体; color:black } 
A:link{ font-size:9pt; font-family:宋体; text-decoration: none; color:#2F8BDF } 
A:visited{ font-size:9pt; font-family:宋体; text-decoration: none; color:#2F8BDF } 
A:hover{ font-size:9pt; font-family:宋体; text-decoration: underline; color:#FF0000 } 
</STYLE> 
<script language="javascript"> 
var dragobject = null; 
var tx; 
var ty; 
document.onmouseover = doOver; 
document.onmouseout = doOut; 
document.onmousedown = doDown; 
document.onmouseup = doUp; 
document.onmousedown=initDown; 
document.onmouseup=initUp; 
document.onmousemove=initMove; 
function stat(){ 
var a = pageYOffset; 
document.bar.top = a; 
setTimeout('stat()',2); 
} 
function fix(){ 
nome=navigator.appName 
if(nome=='Netscape') stat(); 
else{ 
var a=document.body.scrollTop; 
var b=document.body.scrollLeft; 
bar.style.top = a; 
bar.style.left = b; 
} 
} 
function getReal(el) { 
temp = el; 
while ((temp != null) && (temp.tagName != "BODY")) { 
if ((temp.className == "moveme") || (temp.className == "handle")){ 
el = temp; 
return el; 
} 
temp = temp.parentElement; 
} 
return el; 
} 
function moveme_onmousedown() { 
el = getReal(window.event.srcElement) 
if (el.className == "moveme") { 
dragobject = el; 
ty = (window.event.clientY - dragobject.style.pixelTop); 
tx = (window.event.clientX - dragobject.style.pixelLeft); 
window.event.returnValue = false; 
window.event.cancelBubble = true; 
}else if (el.className == "handle") { 
tmp = el.getAttribute("for"); 
if (tmp != null) { 
el = eval(tmp); 
dragobject = el; 
ty = (window.event.clientY - dragobject.style.pixelTop); 
tx = (window.event.clientX - dragobject.style.pixelLeft); 
window.event.returnValue = false; 
window.event.cancelBubble = true; 
} else { 
dragobject = null; 
} 
}else { 
dragobject = null; 
} 
} 
function moveme_onmouseup() { 
if(dragobject) { 
dragobject = null; 
} 
} 
function moveme_onmousemove() { 
if (dragobject) { 
if(window.event.clientX >= 0) { 
dragobject.style.left = window.event.clientX - tx; 
dragobject.style.top = window.event.clientY - ty; 
} 
window.event.returnValue = false; 
window.event.cancelBubble = true; 
} 
} 
if (document.all) { 
document.onmousedown = moveme_onmousedown; 
document.onmouseup = moveme_onmouseup; 
document.onmousemove = moveme_onmousemove; 
} 
function doOver() { 
var toEl = getReal(window.event.toElement, "className", "coolButton"); 
var fromEl = getReal(window.event.fromElement, "className", "coolButton"); 
if (toEl == fromEl) return; 
var el = toEl; 
var cDisabled = el.cDisabled; 
cDisabled = (cDisabled != null); 
if (el.className == "coolButton") 
el.onselectstart = new Function("return false"); 
if ((el.className == "coolButton") && !cDisabled) { 
makeRaised(el); 
makeGray(el,false); 
} 
} 
function doOut() { 
var toEl = getReal(window.event.toElement, "className", "coolButton"); 
var fromEl = getReal(window.event.fromElement, "className", "coolButton"); 
if (toEl == fromEl) return; 
var el = fromEl; 
var cDisabled = el.cDisabled; 
cDisabled = (cDisabled != null); 
var cToggle = el.cToggle; 
toggle_disabled = (cToggle != null); 
if (cToggle && el.value) { 
makePressed(el); 
makeGray(el,true); 
} 
else if ((el.className == "coolButton") && !cDisabled) { 
makeFlat(el); 
makeGray(el,true); 
} 
} 
function doDown() { 
el = getReal(window.event.srcElement, "className", "coolButton"); 
var cDisabled = el.cDisabled; 
cDisabled = (cDisabled != null); 
if ((el.className == "coolButton") && !cDisabled) { 
makePressed(el) 
} 
} 
function doUp() { 
el = getReal(window.event.srcElement, "className", "coolButton"); 
var cDisabled = el.cDisabled; 
cDisabled = (cDisabled != null); 
if ((el.className == "coolButton") && !cDisabled) { 
makeRaised(el); 
} 
} 
function getReal(el, type, value) { 
temp = el; 
while ((temp != null) && (temp.tagName != "BODY")) { 
if (eval("temp." + type) == value) { 
el = temp; 
return el; 
} 
temp = temp.parentElement; 
} 
return el; 
} 
function findChildren(el, type, value) { 
var children = el.children; 
var tmp = new Array(); 
var j=0; 
for (var i=0; i<children.length; i++) { 
if (eval("children[i]." + type + "=="" + value + """)) { 
tmp[tmp.length] = children[i]; 
} 
tmp = tmp.concat(findChildren(children[i], type, value)); 
} 
return tmp; 
} 
function disable(el) { 
if (document.readyState != "complete") { 
window.setTimeout("disable(" + el.id + ")", 100); 
return; 
} 
var cDisabled = el.cDisabled; 
cDisabled = (cDisabled != null); 
if (!cDisabled) { 
el.cDisabled = true; 
el.innerHTML = '<span  buttonshadow; width: 100%; height: 100%; text-align: center;border:1px">' + 
'<span  DropShadow(Color=buttonhighlight, OffX=1, OffY=1, Positive=0); height: 100%; width: 100%%; text-align: center;border:1px">' + 
el.innerHTML + 
'</span>' + 
'</span>'; 
if (el.onclick != null) { 
el.cDisabled_onclick = el.onclick; 
el.onclick = null; 
} 
} 
} 
function enable(el) { 
var cDisabled = el.cDisabled; 
cDisabled = (cDisabled != null); 
if (cDisabled) { 
el.cDisabled = null; 
el.innerHTML = el.children[0].children[0].innerHTML; 
if (el.cDisabled_onclick != null) { 
el.onclick = el.cDisabled_onclick; 
el.cDisabled_onclick = null; 
} 
} 
} 
function addToggle(el) { 
var cDisabled = el.cDisabled; 
cDisabled = (cDisabled != null); 
var cToggle = el.cToggle; 
cToggle = (cToggle != null); 
if (!cToggle && !cDisabled) { 
el.cToggle = true; 
if (el.value == null) 
el.value = 0; 
if (el.onclick != null) 
el.cToggle_onclick = el.onclick; 
else 
el.cToggle_onclick = ""; 
el.onclick = new Function("toggle(" + el.id +"); " + el.id + ".cToggle_onclick();"); 
} 
} 
function removeToggle(el) { 
var cDisabled = el.cDisabled; 
cDisabled = (cDisabled != null); 
var cToggle = el.cToggle; 
cToggle = (cToggle != null); 
if (cToggle && !cDisabled) { 
el.cToggle = null; 
if (el.value) { 
toggle(el); 
} 
makeFlat(el); 
if (el.cToggle_onclick != null) { 
el.onclick = el.cToggle_onclick; 
el.cToggle_onclick = null; 
} 
} 
} 
function toggle(el) { 
el.value = !el.value; 
if (el.value) 
el.style.background = "URL()"; 
else 
el.style.backgroundImage = ""; 
} 
function makeFlat(el) { 
with (el.style) { 
background = ""; 
border = "1px solid buttonface"; 
padding = "1px"; 
} 
} 
function maeRaised(el) { 
with (el.style) { 
borderLeft = "1px solid #2F8BDF"; 
borderRight = "1px solid #2F8BDF"; 
borderTop = "1px solid #2F8BDF"; 
borderBottom = "1px solid #2F8BDF"; 
padding = "1px"; 
} 
} 
function makePressed(el) { 
with (el.style) { 
borderLeft = "1px solid buttonhighlight"; 
borderRight = "1px solid buttonshadow"; 
borderTop = "1px solid buttonhighlight"; 
borderBottom = "1px solid buttonshadow"; 
paddingTop = "2px"; 
paddingLeft = "2px"; 
paddingBottom = "0px"; 
paddingRight = "0px"; 
} 
} 
function makeGray(el,b) { 
var filtval; 
if (b) 
filtval = "gray()"; 
else 
filtval = ""; 
var imgs = findChildren(el, "tagName", "IMG"); 
for (var i=0; i<imgs.length; i++) { 
imgs[i].style.filter = filtval; 
} 
} 
function load(ws) { 
parent.location.href=ws; 
} 
function initDown() { 
doDown(); 
moveme_onmousedown(); 
} 
function initUp() { 
doUp(); 
moveme_onmouseup(); 
} 
function initMove() { 
moveme_onmousemove(); 
} 
</script> 
</HEAD> 
<BODY  onScroll="fix()" onResize="fix()"> 
<span id="bar"  height:1px; z-index:9"> 
<table class=coolBar id=toolbar1 width=100%> 
<tr> 
<td class=coolButton >网友论坛</td> 
<td class=coolButton >实用引擎</td> 
<td class=coolButton >推荐作品</td> 
<td class=coolButton >留言板</td> 
<td class=coolButton >聊天室</td> 
</tr> 
</table> 
</span> 
</body> 
</html> 
 
  
 
 
  
