function Emot(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);
        } else {
        myField.value += myValue;
        }
    }
    // calling the function
    //insertAtCursor(document.formName.fieldName, 'this value');