function doClear(theText) {
            if (theText.value == theText.defaultValue) {
                theText.value = ""
            }
        }

        function sm(sname,mname,pre_id){
            if(sname.style.display=='none')
            {
                sname.style.display='';
                pre_id.innerHTML='<img src=\"images/s.png\" height=13 width=13> '
            }
            else
            {
                sname.style.display='none';

                pre_id.innerHTML='<img src=\"images/k.png\" height=13 width=13> '
            }
        }