Eine ziemlich beeindruckende DHTML-Lösung, um Scrollbars zu generieren. Farben ändern per Schieberegler.
<style>.drag {position: relative; cursor: hand}</style><SCRIPT LANGUAGE="JavaScript1.2">// Slider script by Ronald H. Jankowsky (rj-edv-beratung.de)// This script is free for use, please leave this notice intactvar sPosition;var showPerc=100;document.onmousedown=dragLayerdocument.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 slidervar rVal,gVal,bVal, cColfunction 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 indicatedvar dragMe=false, kObj, yPos,directionfunction 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></head><body bgcolor="#FFFFFF"><!-- Each of the 'outerLyr#'-divs creates a slider element. There can be as much sliders as needed. Just make sure, they have different names, especially the img (knob is referred and acted on by name)-->Eine ziemlich beeindruckende DHTML-Lösung, um Scrollbars zu generieren.<div id="outerLyr" style="position:absolute; width:23px; height:120px; z-index:1; left: 215px; top: 180px; background-color: #000000"> <img id="knobImg" src="gfxu/knob.jpg" class="drag" style="width: 20px; height: 17px; z-index:3; left: 2px; top: 100px"> <div id="innerLyr" style="position:absolute; width:20px; height:117px; z-index:2; background-color: #777777; left: 2px; top: 2px"> <div id="barLyr" style="position:absolute; width:2px; height:110px; z-index:1; background-color: #000000; left: 9px; top: 5px"></div> </div></div><div id="outerLyr1" style="position:absolute; width:23px; height:120px; z-index:1; left: 245px; top: 180px; background-color: #000000"> <img id="knobImg1" src="gfxu/knob.jpg" class="drag" style="width: 20px; height: 17px; z-index:3; left: 2px; top: 100px"> <div id="innerLyr1" style="position:absolute; width:20px; height:117px; z-index:2; background-color: #777777; left: 2px; top: 2px"> <div id="barLyr1" style="position:absolute; width:2px; height:110px; z-index:1; background-color: #000000; left: 9px; top: 5px"></div> </div></div><div id="outerLyr2" style="position:absolute; width:23px; height:120px; z-index:1; left: 275px; top: 180px; background-color: #000000"> <img id="knobImg2" src="gfxu/knob.jpg" class="drag" style="width: 20px; height: 17px; z-index:3; left: 2px; top: 100px"> <div id="innerLyr2" style="position:absolute; width:20px; height:117px; z-index:2; background-color: #777777; left: 2px; top: 2px"> <div id="barLyr2" style="position:absolute; width:2px; height:110px; z-index:1; background-color: #000000; left: 9px; top: 5px"></div> </div><!-- This would be a way to configure if slider range is 0-100 or 0-255 --></div> <input type="radio" name="perCent" value="false">Prozent <input type="radio" name="perCent" value="true" checked>255