网页背景色在线调色选色

2011-10-12 背景特效 ℃

<HTML>
<HEAD>
<TITLE>Color Picker</TITLE>
</HEAD>
<script Language="JavaScript">
<!-- Hiding

var red=0;
var green=0;
var blue=0;
var value=0;
var convert = new Array()
var hexbase= new Array("0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F");

for (x=0; x<16; x++){
for (y=0; y<16; y++){
convert[value]= hexbase[x] + hexbase[y];
value++;
}
}

function clear(){
document.color.bl.value= blue;
document.color.rd.value= red;
document.color.gr.value= green;
}

function display(){
redx = convert[red]
greenx = convert[green]
bluex = convert[blue]
var rgb = "#"+redx+greenx+bluex;
document.color.rgbdspl.value= rgb;
document.bgColor =rgb;
}

function upred(x){
if ((red+x)<=255)
red+=x
document.color.rd.value= red;
display()
}

function downred(x){
if ((red-x)>=0)
red-=x
document.color.rd.value= red;
display()
}

function upgreen(x){
if ((green+x)<=255)
green+=x
document.color.gr.value= green;
display()
}

function downgreen(x){
if ((green-x)>=0)
green-=x
document.color.gr.value= green;
display()
}

function upblue(x){
if ((blue+x)<=255)
blue+=x
document.color.bl.value= blue;
display()
}

function downblue(x){
if ((blue-x)>=0)
blue-=x
document.color.bl.value= blue;
display()
}

// done hiding -->
</script>
<BODY onLoad="clear();display()" BGCOLOR="#000000" TEXT="#FFFFFF" LINK="#FF0000">
<CENTER>
<FORM Name="color">
<TABLE>

<TR Align="Center"><TD><INPUT NAME="green" type="button" VALUE=" +50 " onclick="upgreen(50)"></TD><TD><INPUT NAME="green" type="button" VALUE=" + + " onclick="upgreen(10)"></TD><TD><INPUT NAME="green" type="button" VALUE=" + " onclick="upgreen(1)"></TD>
<TD><Font Color="#00FF00" size=+3>GREEN</font></TD>
<TD><INPUT NAME="green-" type="button" VALUE=" - " onclick="downgreen(1)"></TD><TD><INPUT NAME="green-" type="button" VALUE=" - - " onclick="downgreen(10)"></TD><TD><INPUT NAME="green-" type="button" VALUE=" -50 " onclick="downgreen(50)"></TD>
<TD><Input type="text" Name="gr" Size=3></TD></TR>

</TABLE>
<Input type="text" Name="rgbdspl" Size=7>
</FORM>
</CENTER>

</BODY>
</HTML>

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