//Clear obj value if its value is value of websitestring
    function clearDefaultText(obj)
    {
        var defaultValue = 'sök';

        if(obj.value == defaultValue)
        {
            obj.value = "";
        }
    }  

    //Writes obj value if its value is empty string
    function writeDefaultText(obj)
    {
        var defaultValue = 'sök';

        if(obj.value == "")
        {
            obj.value = defaultValue;
        }
    }