function undef(obj) 
{ 
	return( typeof obj == 'undefined') ; 
}
 		
function parseQty(val) 
{
	if (undef(val) || val == "") 
	{
		return(0);
	}
	return(parseInt(val));
}

function moneyFormat(textObj) {
    var newValue = textObj.value
    var decAmount = ""
    var dolAmount = ""
    var decFlag = false
    var aChar = ""
    // ignore all but digits and decimal points.
    for(i=0; i < newValue.length; i++) {
    aChar = newValue.substring(i,i+1)
    if(aChar>= "0" && aChar <= "9") {
    if(decFlag) {
    decAmount = "" + decAmount + aChar
    }
    else {
    dolAmount = "" + dolAmount + aChar
    }
    }
    if(aChar == ".") {
    if(decFlag) {
    dolAmount = ""
    break
    }
    decFlag=true
    }
    }
    // Ensure that at least a zero appears for the dollar amount.
    if(dolAmount == "") {
    dolAmount = "0"
    }
    // Strip leading zeros.
    if(dolAmount.length> 1) {
    while(dolAmount.length> 1 && dolAmount.substring(0,1) == "0") {
    dolAmount = dolAmount.substring(1,dolAmount.length)
    }
    }
    // Round the decimal amount.
    if(decAmount.length> 2) {
    if(decAmount.substring(2,3)> "4") {
    decAmount = parseInt(decAmount.substring(0,2)) + 1
    if(decAmount < 10) {
    decAmount = "" + decAmount
    }
    else {
    decAmount = "" + decAmount
    }
    }
    else {
    decAmount = decAmount.substring(0,2)
    }
    if (decAmount == 100) {
    decAmount = "00"
    dolAmount = parseInt(dolAmount) + 1
    }
    }
    // Pad right side of decAmount
    if(decAmount.length == 1) {
    decAmount = decAmount + "0"
    }
    if(decAmount.length == 0) {
    decAmount = decAmount + "00"
    }
    // Check for negative values and reset textObj
    if(newValue.substring(0,1) != '-' ||
    (dolAmount == "0" && decAmount == "00")) {
    //textObj.value = "$" + dolAmount + "." + decAmount
	textObj.value = dolAmount + "." + decAmount
    }
    else{
    textObj.value = '-' + "$" + dolAmount + "." + decAmount
    }
} 
