<script language="JavaScript">
function formatNumber (obj, decimal) {
//decimal - the number of decimals after the digit from 0 to 3
//-- Returns the passed number as a string in the xxx,xxx.xx format.
anynum=eval(obj.value);
divider =10;
switch(decimal){
case 0:
divider =1;
break;
case 1:
divider =10;
break;
case 2:
divider =100;
break;
default: //for 3 decimal places
divider =1000;
}
workNum=Math.abs((Math.round(anynum*divider)/divider));
workStr=""+workNum
if (workStr.indexOf(".")==-1){workStr+="."}
dStr=workStr.substr(0,workStr.indexOf("."));dNum=dStr-0
pStr=workStr.substr(workStr.indexOf("."))
while (pStr.length-1< decimal){pStr+="0"}
if(pStr =='.') pStr ='';
//--- Adds a comma in the thousands place.
if (dNum>=1000) {
dLen=dStr.length
dStr=parseInt(""+(dNum/1000))+","+dStr.substring(dLen-3,dLen)
}
//-- Adds a comma in the millions place.
if (dNum>=1000000) {
dLen=dStr.length
dStr=parseInt(""+(dNum/1000000))+","+dStr.substring(dLen-7,dLen)
}
retval = dStr + pStr
//-- Put numbers in parentheses if negative.
if (anynum<0) {retval="("+retval+")";}
//You could include a dollar sign in the return value.
//retval = "$"+retval
obj.value = retval;
}
</script>