Das JavaScript erzeugt einen Headliner Button. Der Button kann wie ein Ticker verwendet werden.
Autor: Jan Pijnacker
Demo
in <body> einfügen und <body> duch den eventhandler <body onLoad="StartHeadliner()"> ersetzen
SCRIPT LANGUAGE="JavaScript">
<!-- by Jan Pijnacker Jan_P@dds.nl -->
<!-- Begin
typeWriterWait=120 // Typewriter delay
blinkTextWait=1000 // Blinking delay
blinkSpacesWait=300 // Blinking 'blank-spaces' delay
blinkMax=3 // how many times to blink
expandWait=100 // expanding headliner delay
scrollWait=90 // scrolling headliner delay
scrollWidth=34 // characters in scroll display
randomLines=false // randomly choose lines? (true or false)
lineMax=7 // how many lines you have
lines=new Array(lineMax)
// Use this format for all the lines below:
// (display text, url or mailto, frame name, effect, delay time)
lines[1]=new Line("JavaScript HeadlinerButton", "http://www.scriptwelt.org", "", Blink, 500)
lines[2]=new Line("ein einfaches JavaScript!", "", "", Scroll, 1000)
lines[3]=new Line("Sie wollen Ihre Seite aufpeppen?", "", "", Static, 3500)
lines[4]=new Line("der Headliner Button machts!!!!", "", "", Expand, 2000)
// Don't change these variables below :-)
lineText=""
timerID=null
timerRunning=false
spaces=""
charNo=0
charMax=0
charMiddle=0
lineNo=0
lineWait=0
function Line(text, url, frame, type, wait) {
this.text=text
this.url=url
this.frame=frame
this.Display=type
this.wait=wait
}
function StringFill(c, n) {
var s=""
while (--n >= 0) {
s+=c
}
return s
}
function getNewRandomInteger(oldnumber, max) {
var n=Math.floor(Math.random() * (max - 1) + 1)
if (n >= oldnumber) {
n++
}
return n
}
function getRandomInteger(max) {
var n=Math.floor(Math.random() * max + 1)
return n
}
function GotoUrl(url, frame) {
if (frame != '') {
if (frame == 'self') self.location.href=url
else if (frame == 'parent') parent.location.href=url
else if (frame == 'top') top.location.href=url
else {
s=eval(top.frames[frame])
if (s != null) top.eval(frame).location.href=url
else window.open(url, frame, "toolbar=yes,status=yes,scrollbars=yes")
}
}
else window.location.href=url
}
function Static() {
document.formDisplay.buttonFace.value=this.text
timerID=setTimeout("ShowNextLine()", this.wait)
}
function TypeWriter() {
lineText=this.text
lineWait=this.wait
charMax=lineText.length
spaces=StringFill(" ", charMax)
TextTypeWriter()
}
function TextTypeWriter() {
if (charNo <= charMax) {
document.formDisplay.buttonFace.value=lineText.substring(0, charNo)+spaces.substring(0, charMax-charNo)
charNo++
timerID=setTimeout("TextTypeWriter()", typeWriterWait)
}
else {
charNo=0
timerID=setTimeout("ShowNextLine()", lineWait)
}
}
function Blink() {
lineText=this.text
charMax=lineText.length
spaces=StringFill(" ", charMax)
lineWait=this.wait
TextBlink()
}
function TextBlink() {
if (charNo <= blinkMax * 2) {
if ((charNo % 2) == 1) {
document.formDisplay.buttonFace.value=lineText
blinkWait=blinkTextWait
}
else {
document.formDisplay.buttonFace.value=spaces
blinkWait=blinkSpacesWait
}
charNo++
timerID=setTimeout("TextBlink()", blinkWait)
}
else {
charNo=0
timerID=setTimeout("ShowNextLine()", lineWait)
}
}
function Expand() {
lineText=this.text
charMax=lineText.length
charMiddle=Math.round(charMax / 2)
lineWait=this.wait
TextExpand()
}
function TextExpand() {
if (charNo <= charMiddle) {
document.formDisplay.buttonFace.value=lineText.substring(charMiddle - charNo, charMiddle + charNo)
charNo++
timerID=setTimeout("TextExpand()", expandWait)
}
else {
charNo=0
timerID=setTimeout("ShowNextLine()", lineWait)
}
}
function Scroll() {
spaces=StringFill(" ", scrollWidth)
lineText=spaces+this.text
charMax=lineText.length
lineText+=spaces
lineWait=this.wait
TextScroll()
}
function TextScroll() {
if (charNo <= charMax) {
document.formDisplay.buttonFace.value=lineText.substring(charNo, scrollWidth+charNo)
charNo++
timerID=setTimeout("TextScroll()", scrollWait)
}
else {
charNo=0
timerID=setTimeout("ShowNextLine()", lineWait)
}
}
function StartHeadliner() {
StopHeadliner()
timerID=setTimeout("ShowNextLine()", 2000)
timerRunning=true
}
function StopHeadliner() {
if (timerRunning) {
clearTimeout(timerID)
timerRunning=false
}
}
function ShowNextLine() {
if (randomLines) lineNo=getNewRandomInteger(lineNo, lineMax)
else (lineNo < lineMax) ? lineNo++ : lineNo=1
lines[lineNo].Display()
}
function LineClick(lineNo) {
document.formDisplay.buttonFace.blur()
if (lineNo > 0) GotoUrl(lines[lineNo].url, lines[lineNo].frame)
}
with (document) {
write('<center><form name="formDisplay"><input type="button"')
write('name="buttonFace" value="scriptwelt.org"')
write('onClick="LineClick(lineNo)"></input></form></center>')
}
// End -->
</SCRIPT>
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