27、滚动条改变背景的特效

27、滚动条改变背景的特效

<html>

<title>网页特效代码--滚动条调制并改变背景的特效</title>

<head>

<STYLE type=text/css>BODY {

       MARGIN: 25px 25px 25px

}

#all TD {

       FONT-SIZE: 12px; LINE-HEIGHT: 15px; FONT-FAMILY: "Verdana", "Arial","新宋体", "宋体"

}

INPUT {

       FONT-SIZE: 12px; LINE-HEIGHT: 15px; FONT-FAMILY: "Verdana", "Arial","新宋体", "宋体"

}

SELECT {

       FONT-SIZE: 12px; LINE-HEIGHT: 15px; FONT-FAMILY: "Verdana", "Arial","新宋体", "宋体"

}

P {

       FONT-SIZE: 12px; LINE-HEIGHT: 15px; FONT-FAMILY: "Verdana", "Arial","新宋体", "宋体"

}

TEXTAREA {

       FONT-SIZE: 12px; LINE-HEIGHT: 15px; FONT-FAMILY: "Verdana", "Arial","新宋体", "宋体"

}

 

#all A:active {

       COLOR: #7d070c

}

#all A:visited {

       COLOR: #7d070c

}

 

#all A:hover {

       COLOR: #336699

}

#all A:link {

       COLOR: #7d070c

}

</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>

<META content="Microsoft FrontPage 6.0" name=GENERATOR>

<style>.drag {

       CURSOR: hand; POSITION: relative

}

</style>

</HEAD>

<BODY id=all text=#000000 bgColor=#336699>

      <table width="100%" border="0" cellpadding="8" height="124">

        <tr>

          <td align="center" height="17">

          </td>

        </tr>

        <tr>

          <td bgcolor="#f7f7f7" height="71">

            <p>

              <script language=JavaScript1.2>

// Slider script by Ronald H. Jankowsky (http://www.lovehy.com), parts of code (draglayer, movelayer) by DynamicDrive.com

// This script is free for use, please leave this notice intact

var sPosition;

var showPerc=100;

document.onmousedown=dragLayer

document.onmouseup=new Function("dragMe=false")

 

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";

 

// Demofunction to change bg-color by moving slider

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 more sliders are used, each of them has to be handled separately

       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];

}

 

// Drag and move engine (original code by DynamicDrive.com), don't change unless explicitely indicated

var dragMe=false, kObj, yPos,direction

function moveLayer() {

if (event.button==1 && dragMe) {

       oldY = kObj.style.pixelTop; kObj.style.pixelTop=temp2+event.clientY-yPos;

// Limit movement of knob to stay inside layer

       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";}

// Set working variable 'showPerc' depending on 100 or 250 scaling

       sPosition=kObj.style.pixelTop; showPerc = (perCent[0].checked) ? sPosition-2 : (sPosition-2)/2*5;

// The following line should be replaced by the function-call with the actual task to perform

       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>

              提示:这是一个颜色的调节器,现在本例子只简单的改变了背景的颜色,你完全可以将这使用方法应用到如聊天室的字体颜色等程序上,可以让你的应用增添色彩.<script language="JavaScript">

document.write("<font color=#7d070c style=\"font-size: 14px\">"+document.title+"</font>");

</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" 

src="../tempimgs/js/knob.jpeg"> 

              <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" 

src="../tempimgs/js/knob.jpeg"> 

              <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" 

src="../tempimgs/js/knob.jpeg"> 

              <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>

              <!-- This would be a way to configure if slider range is 0-100 or 0-255 -->

            </div>

          </td>

        </tr>

      </table>

</head>

</html>

 

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