ÿþfunction mask(str, textbox, loc, delim) {

    var locs = loc.split(',');

    var code = window.event.keyCode;



    if ((code >= 97 && code <= 105) || code == 191 || code == 109 || (code >= 48 && code <= 57)) {

        for (var i = 0; i < locs.length; i++) {

            for (var k = 0; k <= str.length; k++) {

                if (k == (parseInt(locs[i]) + 1)) {

                    if (str.substring(k - 1, k) != delim) {

                        str = str.substring(0, k - 1) + delim + str.substring(k - 1);

                    }

                }

            }

        }

        textbox.value = str;

        if (!document.all)

            textbox.setSelectionRange(str.length, str.length);

    }

}



function insertAtCursor(myField, myValue) {

    //IE support    

    if (document.selection) {

        //myField.focus();

        sel = document.selection.createRange();

        sel.text = myValue;

    }

    //MOZILLA/NETSCAPE support

    else if (myField.selectionStart || myField.selectionStart == '0') {

        var startPos = myField.selectionStart;

        var endPos = myField.selectionEnd;

        myField.value = myField.value.substring(0, startPos) + myValue + myField.value.substring(endPos, myField.value.length);

    }

}