var count=0;

function one2two(elso, masodik) {
 var m1 = document.getElementById(elso);
 var m2 = document.getElementById(masodik);
    m1len = m1.length ;
    for ( i=0; i<m1len ; i++){
        if (m1.options[i].selected == true ) {
            m2len = m2.length;
            m2.options[m2len]= new Option(m1.options[i].text, m1.options[i].value);
        }
    }

    for ( i = (m1len -1); i>=0; i--){
        if (m1.options[i].selected == true ) {
            m1.options[i] = null;
        }
    }
}

function two2one(elso,masodik) {
 var m1 = document.getElementById(elso);
 var m2 = document.getElementById(masodik);

    m2len = m2.length ;
        for ( i=0; i<m2len ; i++){
            if (m2.options[i].selected == true){
                m1len = m1.length;
                m1.options[m1len]= new Option(m2.options[i].text, m2.options[i].value);
            }
        }
        for ( i=(m2len-1); i>=0; i--) {
            if (m2.options[i].selected == true ) {
                m2.options[i] = null;
            }
        }
}

function selectAll(form_select) {
   for (var i=0; i < form_select.length; i++) 
   {
       if (form_select.options[i].value != "") 
	   {
            form_select.options[i].selected = true
       }
       
   }
   
}