文字列を拡大していく 　　　　　
Sample
ご覧のとおりです。

ソース 
<HTML>
<HEAD>

<SCRIPT LANGUAGE="JavaScript">
<!--
message = "Java-Da! ジャヴァ・ダ！ JavaScripts Freeだよ サンプル 使ってー！ ;;_;; ";
colors = new Array('blue','red','pink','brown','green','cyan')
msg_size = 30;
message = message.split(' ');
speed=40;
timer = null;
clr_pos = 0;
msg_pos = 0;
jog = 1;
curr_step = 6;
step = 4;
ns = (document.layers)?1:0;
viz = (document.layers)?'hide':'hidden';
if (ns)
document.write("<div id='T' style='position:absolute'></div><br>");
else {
document.write("<div style='position:absolute'>");
document.write("<div align='center' style='position:relative'>");
document.write("<div id='T' style='position:absolute;width:0;height:0;font-family:Arial;font-size:0'>kurt</div>");
document.write("</div></div><br>");
}
function disp_msg() {
  var pageHeight = (document.layers)?window.innerHeight:window.document.body.offsetHeight;
  var pageWidth = (document.layers)?window.innerWidth:window.document.body.offsetWidth;
  if (ns) {
    ypos = pageHeight / 2;
    var Write = '<div align="center" style="width:0px;height:0px;font-family:Arial,'+
'Verdana;font-size:'+curr_step/4+'px;color:'+colors[clr_pos]+'">'+message[msg_pos]+'</div>';
    document.T.top = ypos + -curr_step / 8 + window.pageYOffset;
    document.T.document.write(Write)
    document.T.document.close();
  }
  else {
    ypos = pageHeight / 2;
    xpos = pageWidth / 2;
    T.style.width = curr_step;
    T.style.pixelTop = ypos + -curr_step / 16 + document.body.scrollTop;
    T.style.pixelLeft = (xpos - 20)+ -curr_step / 2;
    T.style.fontSize = curr_step / 8;
    T.innerHTML = message[msg_pos];
    T.style.color = colors[clr_pos];
  }
  if (ns)step += 5;
  else step += 10;
  curr_step += step
  if (ns) {
    if (curr_step > pageWidth) {
      curr_step = 6;
      step = 4;
      msg_pos += jog;
      clr_pos += jog;
    }
    if (clr_pos >= colors.length) clr_pos = 0;
  }
  else {
    if (curr_step > pageWidth * msg_size) {
      curr_step = 6;
      step = 4;
      msg_pos += jog;
      clr_pos += jog;
    }
    if (clr_pos >= colors.length) clr_pos = 0;
  }
  if (msg_pos >= message.length) {
    clearTimeout(timer);
    if (ns) document.T.visibility = viz;
    else T.style.visibility = viz;
  }
  timer = setTimeout("disp_msg()",speed)
}
//-->
</SCRIPT>

</HEAD>
<BODY onLoad="disp_msg()">
</BODY>
</HTML>
ワンポイント解説
message = 　の内容が、文字列として表示されます。