Javascript制作浮动的工具条

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：http://www.85time.com/softuse/bar.htm .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 } 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