function formatCurrency(num) {
	num = num.toString().replace(/\$|\,/g,'');
	if(isNaN(num)) 
		num = "0";
	sign = (num == (num = Math.abs(num)));
	num = Math.floor(num*100+0.50000000001);
	cents = num%100;
	num = Math.floor(num/100).toString();
	if(cents<10) 
		cents = "0" + cents;
	for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
		num = num.substring(0,num.length-(4*i+3))+','+num.substring(num.length-(4*i+3));
//	return (((sign)?'':'-') + '$' + num + '.' + cents);
	return (((sign)?'':'-') + num + '.' + cents);
}

function preloadImages() { //v2.0

  if (document.images) {

    var imgFiles = preloadImages.arguments;

    if (document.preloadArray==null) document.preloadArray = new Array();

    var i = document.preloadArray.length;

    with (document) for (var j=0; j<imgFiles.length; j++) if (imgFiles[j].charAt(0)!="#"){

      preloadArray[i] = new Image;

      preloadArray[i++].src = imgFiles[j];

  } }

}

function swapImgRestore() { //v2.0

  if (document.swapImgData != null)

    for (var i=0; i<(document.swapImgData.length-1); i+=2)

      document.swapImgData[i].src = document.swapImgData[i+1];

}

function swapImage() { //v2.0

  var i,j=0,objStr,obj,swapArray=new Array,oldArray=document.swapImgData;

  for (i=0; i < (swapImage.arguments.length-2); i+=3) {

    objStr = swapImage.arguments[(navigator.appName == 'Netscape')?i:i+1];

    if ((objStr.indexOf('document.layers[')==0 && document.layers==null) ||

        (objStr.indexOf('document.all[')   ==0 && document.all   ==null))

      objStr = 'document'+objStr.substring(objStr.lastIndexOf('.'),objStr.length);

    obj = eval(objStr);

    if (obj != null) {

      swapArray[j++] = obj;

      swapArray[j++] = (oldArray==null || oldArray[j-1]!=obj)?obj.src:oldArray[j];

      obj.src = swapImage.arguments[i+2];

  } }

  document.swapImgData = swapArray; //used for restore

}