按钮驱动文字渐变

渐变:

I love JavaScript

脚本说明:
第一步:把如下代码加入<body>区域中
<SCRIPT LANGUAGE="JavaScript">
var x=9;
var strobe="on"
if (navigator.appName == "Netscape") {
visShow="'show'";
visHide="'hide'";
docStyle="document.";
styleDoc="";
}
else {
visHide="'hidden'";
visShow="'visible'";
docStyle="";
styleDoc=".style";
}
</SCRIPT>
<SCRIPT LANGUAGE="JavaScript">
function hide1() {
eval(docStyle+ 'object1' + styleDoc + '.visibility=' + visHide);
}
function hide2() {
eval(docStyle+ 'object2' + styleDoc + '.visibility=' + visHide);
}
function hide3() {
eval(docStyle+ 'object3' + styleDoc + '.visibility=' + visHide);
}
function hide4() {
eval(docStyle+ 'object4' + styleDoc + '.visibility=' + visHide);
}
function hide5() {
eval(docStyle+ 'object5' + styleDoc + '.visibility=' + visHide);
}
function hide6() {
eval(docStyle+ 'object6' + styleDoc + '.visibility=' + visHide);
}
function hide7() {
eval(docStyle+ 'object7' + styleDoc + '.visibility=' + visHide);
}
function hide8() {
eval(docStyle+ 'object8' + styleDoc + '.visibility=' + visHide);
}
function hide9() {
eval(docStyle+ 'object9' + styleDoc + '.visibility=' + visHide);
}
function hide10() {
eval(docStyle+ 'object10' + styleDoc + '.visibility=' + visHide);
}
function show1() {
eval(docStyle+ 'object1' + styleDoc + '.visibility=' + visShow);
hide2(),hide3();
}
function show2() {
eval(docStyle+ 'object2' + styleDoc + '.visibility=' + visShow);
hide1(),hide3();
}
function show3() {
eval(docStyle+ 'object3' + styleDoc + '.visibility=' + visShow);
hide2(),hide4();
}
function show4() {
eval(docStyle+ 'object4' + styleDoc + '.visibility=' + visShow);
hide3(),hide5();
}
function show5() {
eval(docStyle+ 'object5' + styleDoc + '.visibility=' + visShow);
hide4(),hide6();
}
function show6() {
eval(docStyle+ 'object6' + styleDoc + '.visibility=' + visShow);
hide5(),hide7();
}
function show7() {
eval(docStyle+ 'object7' + styleDoc + '.visibility=' + visShow);
hide6(),hide8();
}
function show8() {
eval(docStyle+ 'object8' + styleDoc + '.visibility=' + visShow);
hide7(),hide9();
}
function show9() {
eval(docStyle+ 'object9' + styleDoc + '.visibility=' + visShow);
hide8(),hide10();
}
function show10() {
eval(docStyle+ 'object10' + styleDoc + '.visibility=' + visShow);
hide9();
}
function strobe1() {
x+=1;
eval("show" + x + "()");
if (x<10) setTimeout("strobe1()", 75);
else if (strobe=="on") strobe2();
}
function strobe2() {
x-=1;
eval("show" + x + "()");
if (x>1) setTimeout("strobe2()", 75);
else strobe1();
}
function strobeOn() {
x=9;
strobe="on";
strobe1();
}
function strobeOff() {
strobe="off";
}
</SCRIPT>
<div id="vis" style="position:absolute; visibility:show; left:175px; top:280px; z-index:1">
<table cellpadding=2 border=1><tr>
<td><center><b>Strobe:</b></center></font></a></td>
<td><a href="javascript:strobeOn()">
<font color="#000000"><center>on</center></font></a></td>
<td><a href="javascript:strobeOff()">
<font color="#000000"><center>off</center></font></a></td>
</tr></table></div>

<div id="object1" style="position:absolute; visibility:hide; left:175px; top:300px; z-index:1">
<table border=1 bgcolor=#eaffff width=175 height=50><td><center><b><font color="#F9F9F9">JavaScript Planet</font></b></center></td></table>
</div>
<div id="object2" style="position:absolute; visibility:hide; left:175px; top:300px; z-index:1">
<table border=1 bgcolor=eaffff width=175 height=50><td><center><b><font color="#ECECEC">JavaScript Planet</font></b></center></td></table>
</div>
<div id="object3" style="position:absolute; visibility:hide; left:175px; top:300px; z-index:1">
<table border=1 bgcolor=eaffff width=175 height=50><td><center><b><font color="#D5D5D5">JavaScript Planet</font></b></center></td></table>
</div>
<div id="object4" style="position:absolute; visibility:hide; left:175px; top:300px; z-index:1">
<table border=1 bgcolor=eaffff width=175 height=50><td><center><b><font color="#C0C0C0">JavaScript Planet</font></b></center></td></table>
</div>
<div id="object5" style="position:absolute; visibility:hide; left:175px; top:300px; z-index:1">
<table border=1 bgcolor=eaffff width=175 height=50><td><center><b><font color="#b0b0b0">JavaScript Planet</font></b></center></td></table>
</div>
<div id="object6" style="position:absolute; visibility:hide; left:175px; top:300px; z-index:1">
<table border=1 bgcolor=eaffff width=175 height=50><td><center><b><font color="#939393">JavaScript Planet</font></b></center></td></table>
</div>
<div id="object7" style="position:absolute; visibility:hide; left:175px; top:300px; z-index:1">
<table border=1 bgcolor=eaffff width=175 height=50><td><center><b><font color="#808080">JavaScript Planet</font></b></center></td></table>
</div>
<div id="object8" style="position:absolute; visibility:hide; left:175px; top:300px; z-index:1">
<table border=1 bgcolor=eaffff width=175 height=50><td><center><b><font color="#6b6b6b">JavaScript Planet</font></b></center></td></table>
</div>
<div id="object9" style="position:absolute; visibility:hide; left:175px; top:300px; z-index:1">
<table border=1 bgcolor=eaffff width=175 height=50><td><center><b><font color="#424242">JavaScript Planet</font></b></center></td></table>
</div>
<div id="object10" style="position:absolute; visibility:show; left:175px; top:300px; z-index:1">
<table border=1 bgcolor=eaffff width=175 height=50><td><center><b><font color="#000000">JavaScript Planet</font></b></center></td></table>
</div><P>
</FONT></CENTER>