调整滑块改变网页背景颜色的JS代码

答案：<html>
<title>网页背景调整滑块</title>
<head>
<STYLE type=text/css>BODY {
	MARGIN: 25px 25px 25px
}
#all TD {
	FONT-SIZE: 12px; LINE-HEIGHT: 15px; FONT-FAMILY: "Verdana";
}
INPUT,SELECT ,P{
	FONT-SIZE: 12px; LINE-HEIGHT: 15px; FONT-FAMILY: "Verdana";
}

#all A:hover {
	COLOR: #0066CC;
}
</STYLE>
<SCRIPT language=JavaScript>
<!--

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}
function JM_cc(ob){
var obj=MM_findObj(ob); if (obj) { 
obj.select();js=obj.createTextRange();js.execCommand("Copy");}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}
//-->
</SCRIPT>
<style>.drag {
CURSOR: hand; POSITION: relative
}
</style>
</HEAD>
<BODY id=all bgColor=#336699>
      <table width="100%" border="0" cellpadding="10" height="130">
        <tr> 
          <td height="20"> 
          </td>
        </tr>
        <tr> 
          <td bgcolor="#f8f8f8" height="71"> 
            <p>
<script language=JavaScript1.2>
var sPosition;
var showPerc=100;
document.onmousedown=dragLayer
document.onmouseup=new Function("dragMe=false")
//如果你很有才，你可以试着改变以下这些值，否则，就由它吧……
var Color= new Array();
Color[0] = "00";
Color[1] = "11";
Color[2] = "22";
Color[3] = "33";
Color[4] = "44";
Color[5] = "55";
Color[6] = "66";
Color[7] = "77";
Color[8] = "88";
Color[9] = "99";
Color[10] = "AA";
Color[11] = "BB";
Color[12] = "CC";
Color[13] = "DD";
Color[14] = "EE";
Color[15] = "FF";

var rVal,gVal,bVal, cCol
function chgBg() {
	cCol = document.bgColor; rVal=cCol.substr(1,2); gVal=cCol.substr(3,2); bVal=cCol.substr(5,2);
	ind = Math.round(showPerc/16); if (ind < 0) ind = 0; if (ind > 15) ind=15;
	if (kObj.id =="knobImg") document.bgColor="#"+Color[ind]+gVal+bVal;
	if (kObj.id =="knobImg1")  document.bgColor="#"+rVal+Color[ind]+bVal;
	if (kObj.id =="knobImg2")  document.bgColor="#"+rVal+gVal+Color[ind];
}

var dragMe=false, kObj, yPos,direction
function moveLayer() {
if (event.button==1 && dragMe) {
	oldY = kObj.style.pixelTop; kObj.style.pixelTop=temp2+event.clientY-yPos; 
	if (kObj.style.pixelTop > oldY) direction="dn"; else direction="up";
	if (kObj.style.pixelTop < 2 && direction=="up") {kObj.style.pixelTop=2; direction="dn";}
	if (kObj.style.pixelTop > 102 && direction=="dn") {kObj.style.pixelTop=102; direction="up";}
	sPosition=kObj.style.pixelTop; showPerc = (perCent[0].checked) ? sPosition-2 : (sPosition-2)/2*5; 
	chgBg(); 
	return false; }
}
function dragLayer() {
if (!document.all) return;
if (event.srcElement.className=="drag")
     {
       dragMe=true; kObj=event.srcElement; temp2=kObj.style.pixelTop; yPos=event.clientY; document.onmousemove=moveLayer;
     }
}
</script>
             友情提示：<br>这是一个颜色滑块调节器，当然在本例中只是改变了一下背景颜色，但是它同样适应于网页中的其它元素，比如每个层内的某个颜色的背景、导航条背景等，这由你自己去扩展，发挥你的才能吧……<script language="JavaScript">
document.write("document.title");
</script><input 
type=radio value=false name=perCent>
              Prozent  
              <input type=radio CHECKED value=true  
name=perCent> 
              255</p> 
            <div id=outerLyr  
style="Z-INDEX: 1; LEFT: 233px; WIDTH: 23px; POSITION: absolute; TOP: 111px; HEIGHT: 120px; BACKGROUND-COLOR: #000000"><img  
class=drag id=knobImg  
style="Z-INDEX: 3; LEFT: 2px; WIDTH: 20px; TOP: 100px; HEIGHT: 17px">  
              <div id=innerLyr  
style="Z-INDEX: 2; LEFT: 2px; WIDTH: 20px; POSITION: absolute; TOP: 2px; HEIGHT: 117px; BACKGROUND-COLOR: #777777">  
                <div id=barLyr  
style="Z-INDEX: 1; LEFT: 9px; WIDTH: 2px; POSITION: absolute; TOP: 5px; HEIGHT: 110px; BACKGROUND-COLOR: #000000"></div> 
              </div> 
            </div> 
            <div id=outerLyr1  
style="Z-INDEX: 1; LEFT: 268px; WIDTH: 23px; POSITION: absolute; TOP: 111px; HEIGHT: 120px; BACKGROUND-COLOR: #000000"><img  
class=drag id=knobImg1  
style="Z-INDEX: 3; LEFT: 2px; WIDTH: 20px; TOP: 100px; HEIGHT: 17px">   
              <div id=innerLyr1  
style="Z-INDEX: 2; LEFT: 2px; WIDTH: 20px; POSITION: absolute; TOP: 2px; HEIGHT: 117px; BACKGROUND-COLOR: #777777">  
                <div id=barLyr1  
style="Z-INDEX: 1; LEFT: 9px; WIDTH: 2px; POSITION: absolute; TOP: 5px; HEIGHT: 110px; BACKGROUND-COLOR: #000000"></div> 
              </div> 
            </div> 
            <div id=outerLyr2  
style="Z-INDEX: 1; LEFT: 300px; WIDTH: 23px; POSITION: absolute; TOP: 111px; HEIGHT: 120px; BACKGROUND-COLOR: #000000"><img  
class=drag id=knobImg2  
style="Z-INDEX: 3; LEFT: 2px; WIDTH: 20px; TOP: 100px; HEIGHT: 17px">    
              <div id=innerLyr2  
style="Z-INDEX: 2; LEFT: 2px; WIDTH: 20px; POSITION: absolute; TOP: 2px; HEIGHT: 117px; BACKGROUND-COLOR: #777777">  
                <div id=barLyr2  
style="Z-INDEX: 1; LEFT: 9px; WIDTH: 2px; POSITION: absolute; TOP: 5px; HEIGHT: 110px; BACKGROUND-COLOR: #000000"></div> 
              </div> 
            </div> 
          </td> 
        </tr> 
      </table> 
</head>
</html>
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