<script language="javascript">
var gColorCode=1,iTimer;
function fnAddValue(obj,col){
var oSpan = document.createElement("SPAN");
var iT=0+parseInt(obj.value)+parseInt(obj.addvalue);
if (iT>=100){
obj.addvalue=100-obj.value;
iT=100;
}
oSpan.style.width = obj.addvalue + "%";
oSpan.style.height= "100%";
oSpan.style.left="0px";
//alert(col);
oSpan.style.backgroundColor = (col==null)? "blue":col;
obj.appendChild(oSpan);
oBColor.style.backgroundColor=oSpan.style.backgroundColor;
obj.value=iT;
oPro.value=iT+"%";
}
toHex2 = function(n){
n=(n<255)? ((n<0)? 0:n):255;
return (n.toString(16).length==1)?"0"+n.toString(16):n.toString(16);
}
function fnSetColorCode(n){
var col='',i=gColorCode;
if(n!=null)i=n;
// i=(i<255)? ((i<0)? 0:i):255;
if (i>=100) window.clearInterval(iTimer);
col="#"+toHex2(parseInt(oRf.value)+Math.floor((parseInt(oRt.value)-parseInt(oRf.value))/100)*i);
col+=toHex2(parseInt(oGf.value)+Math.floor((parseInt(oGt.value)-parseInt(oGf.value))/100)*i);
col+=toHex2(parseInt(oBf.value)+Math.floor((parseInt(oBt.value)-parseInt(oBf.value))/100)*i);
return col;
}
function fnAuto(){
fnAddValue(oStatusBar,fnSetColorCode());
gColorCode++;
}
function fnChkNotNum(){ //숫자만 입력 받습니다.
if(event.keyCode<48 | event.keyCode>57){
alert("숫자만 입력됩니다.");
event.returnValue=false;
}
}
function fnRangeCheck_0_255(obj){ //0보다 작으면 0으로 255보다 크면 255로
var num01=parseInt(obj.value);
if(num01<0) obj.value=0;
if(num01>255) obj.value=255;
}

</script>

<h1>진행상태바 예제</h1>

<div id="oStatusBar" style="border:3 groove black; background-color:lightgray;height:40; width:506;" value=0 addvalue=15>
<span id=oSam" width=20 style="background-color:red"></span>
</div>
<input id=oPro type=textbox size=3>
&nbsp;&nbsp;현재 색깔:<input id=oBColor type=textbox size=3>

<br><br>
<input id=oNum1 size=3 onChange="oStatusBar.addvalue=this.value" onkeypress="fnChkNotNum()" value=15>
<input type=button value="추가 값(%)" title="앞의 수치만큼 %로 증가함" onclick="window.clearInterval(iTimer);fnAddValue(oStatusBar,fnSetColorCode(0));">
<input type=button value="초기화" onclick="window.clearInterval(iTimer);oStatusBar.innerHTML='';oStatusBar.value=0;oPro.value='0%';oStatusBar.addvalue=oNum1.value;gColorCode=1;">
<input type=button value="자동" title="색을 변화시키면서 1%씩증가함" onclick="window.clearInterval(iTimer);gColorCode=0;oStatusBar.addvalue=1;;iTimer=window.setInterval(fnAuto,30);"><br><br>
색깔 변화시에(값은 0-255사이) 추가값시에는 앞의 색 이용함:
<div border=1>
R<input id="oRf" size=3 onChange="fnRangeCheck_0_255(this);" onkeypress="fnChkNotNum()" value=0>
G<input id="oGf" size=3 onChange="fnRangeCheck_0_255(this);" onkeypress="fnChkNotNum()" value=255>
B<input id="oBf" size=3 onChange="fnRangeCheck_0_255(this);" onkeypress="fnChkNotNum()" value=0>
에서&nbsp;
R<input id="oRt" size=3 onChange="fnRangeCheck_0_255(this);" onkeypress="fnChkNotNum()" value=255>
G<input id="oGt" size=3 onChange="fnRangeCheck_0_255(this);" onkeypress="fnChkNotNum()" value=0>
B<input id="oBt" size=3 onChange="fnRangeCheck_0_255(this);" onkeypress="fnChkNotNum()" value=255>
까지로 변화합니다.
</div>