function FormatCurrency (value) {
        var Precision = 2;

        var valStr = "" + value;
        var valInt = Math.floor(value);
        var valFrac = value - valInt;
        var multiplier = " 1000000000000000000".substring(1,Precision+2);
        var valRoundedFrac = Math.floor (valFrac*multiplier + 0.5);
        valInt = Math.floor (Math.floor (value*multiplier + 0.5) / multiplier);
        var valFracStr = "000000000000000000" + valRoundedFrac;
        valFracStr = valFracStr.substring (valFracStr.length-Precision, valFracStr.length);

        valStr = "$" + valInt + "." + valFracStr;
        return valStr;
}

function FormatEuro (value) {
        var Precision = 2;

        var valStr = "" + value;
        var valInt = Math.floor(value);
        var valFrac = value - valInt;
        var multiplier = " 1000000000000000000".substring(1,Precision+2);
        var valRoundedFrac = Math.floor (valFrac*multiplier + 0.5);
        valInt = Math.floor (Math.floor (value*multiplier + 0.5) / multiplier);
        var valFracStr = "000000000000000000" + valRoundedFrac;
        valFracStr = valFracStr.substring (valFracStr.length-Precision, valFracStr.length);

        valStr = "" + valInt + "." + valFracStr + " EU";
        return valStr;
}

function openWindow(url, name) {
  popupWin = window.open(url,name,'width=300,height=360,left=25,top=25');
}

<!---OPTIONPRICECALCSCRIPT--->