// Dynamic Text Fader (1.20)
// (Updated on 6/7/2000)
// Script created by Nicholas Poh Tze Siang aka Programatix Copyright (c) 1999-2000
// (hwinmain@yahoo.com)
//Modified and Featured on http://www.dynamicdrive.com
// Create a hex convertor array (Dex2Hex[])
var hexbase= new Array("0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F");
var value=0;
var Dec2Hex=new Array();
for (x=0; x<16; x++){
for (y=0; y<16; y++){
Dec2Hex[value]= hexbase[x] + hexbase[y];
value++;
}
}
// Convert RGB colour to string base
function RGB2STR(rgbcolor)
{
return Dec2Hex[rgbcolor>>16] + Dec2Hex[(rgbcolor>>8)&0xFF] + Dec2Hex[rgbcolor&0xFF];
}
// Check the following variables to see if they exist. If not use default value
if (String(TS_colorFG)=="undefined") var TS_colorFG = 0x0000FF; // Text color
if (String(TS_colorBG)=="undefined") var TS_colorBG = 0xFFFFFF; // Background color
if (String(TS_ymax) =="undefined") var TS_ymax = 50; // How many pixel to move
if (String(TS_ystep) =="undefined") var TS_ystep = 1; // 1 or -1 only (Scroll direction)
if (String(TS_speed) =="undefined") var TS_speed = 2; // The smaller the faster
if (String(TS_pause) =="undefined") var TS_pause = 600; // Pause time(milisecond) between messages
if (String(TS_fadestep)=="undefined") {
var TS_fadestep = TS_ymax>>1;
} else {
if (TS_fadestep > (TS_ymax>>1)) TS_fadestep = TS_ymax>>1;
}
// check if user defined messages exist
if (String(TS_message)=="undefined") {
// use the default messages
var TS_message = new Array();
TS_message[0] = 'Dynamic Text Fader 1.20';
TS_message[1] = 'Code by Nicholas Poh Tze Siang aka Programatix';
TS_message[2] = 'You can insert any HTML tag into the messages';
TS_message[3] = 'Code downloaded from dynamicdrive.com';
}
var TS_ypos = 0;
var TS_yposOrg = 0;
var TS_color = TS_colorBG;
var TS_curMsg = 0;
// Calculate the difference between background and foreground color
var half_TS_ymax = (TS_ymax)>>1
var dfRed = -((TS_colorBG>>16) - (TS_colorFG>>16)) / TS_fadestep;
var dfGreen = -(((TS_colorBG>>8)&0xFF) - ((TS_colorFG>>8)&0xFF)) / TS_fadestep;
var dfBlue = -((TS_colorBG&0xFF) - (TS_colorFG&0xFF)) / TS_fadestep;
var TS_opColor = (dfRed<<16) + (dfGreen<<8) + (dfBlue);
var timer;
var TS;
function UnloadMe()
{
clearTimeout(timer);
}
var isReadForNextText = 0;
var isChangeText = 0;
function ScrollText(currentstate)
{
TS_ypos += TS_ystep;
// Ready to change text?
if (TS_ypos >= TS_ymax || TS_ypos <= 0)
isChangeText = 1;
else
isChangeText = 0;
// Need to set the timer first so that it will go smoothly
if (isChangeText) {
if (TS_pause < TS_speed)
timer = setTimeout('ScrollText(0)', TS_speed);
else
timer = setTimeout('ScrollText(1)', TS_pause);
} else
timer = setTimeout('ScrollText(0)', TS_speed);
// Change text
if (isReadForNextText) {
// For IE only
TextScroll.innerHTML = TS_message[TS_curMsg];
isReadForNextText = 0;
}
// Change the color of the text
if (document.all) {
// IE
TS.paddingTop = TS_ypos;
TS.color = TS_color;
} else if (document.layers) {
// Netscape
TS.top = TS_ypos + TS_yposOrg;
// Clip the text
var calc = (TS.top-TS_yposOrg) + TS.document.height - 20
if (calc > TS_ymax) {
TS.clip.bottom=(TS.document.height) - (calc-TS_ymax);
} else {
TS.clip.bottom=TS.document.height;
}
// Display the text
text = '' +
'' +
TS_message[TS_curMsg] +
'';
TS.backgroundColor = TS_colorBG;
TS.backgroundColor = 'black';
if (currentstate==1){
TS.document.write(text);
TS.document.close();
}
}
if (TS_ypos < TS_fadestep || (TS_ymax - TS_ypos) < TS_fadestep) {
TS_color += TS_opColor;
}
// Check to see if in the middle, if so, change colour direction
if (TS_ypos == half_TS_ymax) TS_opColor *= -1;
// Prepare for next text please
if (isChangeText) {
TS_color = TS_colorBG;
TS_opColor *= -1;
if (TS_ystep > 0) {
TS_ypos = 0;
} else {
TS_ypos = TS_ymax;
}
if (++TS_curMsg > TS_message.length-1) {
TS_curMsg = 0;
}
// Change text
if (document.all) {
// IE
TextScroll.innerHTML = " ";
TS.paddingTop = TS_ypos;
isReadForNextText = 1;
} else if (document.layers) {
TS.document.write('');
TS.document.close();
TS.top = TS_ypos + TS_yposOrg;
}
}
}
function startani(){
if (document.layers)
document.TextScroll.visibility="show"
timer = setTimeout('ScrollText()', 1000)
}
function ScrollTextDisplay()
{
var navName=navigator.appName;
var navVer=parseInt(navigator.appVersion)
var fNetscape = 0;
if (! ((navName=="Netscape" && navVer>=4) || (navName=="Microsoft Internet Explorer" && navVer>=4)) ) {
return;
}
if (navName=="Microsoft Internet Explorer") {
TS_speed = 20 + TS_speed;
} else if (navName=="Netscape") {
fNetscape=1;
}
document.write('');
document.write('');
document.write('');
if (fNetscape) document.write('');
document.write(TS_message[0]);
if (fNetscape) document.write('');
document.write('');
document.write('');
document.write('');
if (TS_ystep > 0) {
TS_ypos = 0;
} else {
TS_ypos = TS_ymax;
}
if (document.all) {
// IE
TS = TextScroll.style;
} else if (document.layers) {
// Netscape
TS = document.TextScroll.document.Content;
TS_yposOrg = TS.top;
}
TS.height = TS_ymax+20;
TS.color = TS_color;
TS.visibility = "visible";
TS.backgroundColor = TS_colorBG;
window.onload=startani
window.onunload=UnloadMe;
}
ScrollTextDisplay()
// - End of JavaScript - -->
