var selected_contacts= new Array();
var contact_on='contact_on';
var contact_off='contact_off';

function set_contact_on(id){

    set_all_contacts_off(id);

    ref=document.getElementById(id);
    if (ref){
        if (selected_contacts[id]){
            set_contact_off(id);
        }
        else{
            ref.className=contact_on;
            selected_contacts[id]=true;

            contact_link_ref=document.getElementById(id + '_link');
            contact_link_ref.innerHTML+=':';
        }
    }

}

function set_contact_off(id){
    ref=document.getElementById(id);
    if (ref){
        ref.className=contact_off;
        delete selected_contacts[id];

        contact_link_ref=document.getElementById(id + '_link');
        contact_link_ref.innerHTML=contact_link_ref.innerHTML.replace(':', '');


    }

}


function set_all_contacts_off(ignore_id){
    for (var id in selected_contacts){
        if (id != ignore_id){
            set_contact_off(id);
        }
    }
}


function openWindow(url,name,top,left,width,height){
    popupWin = window.open(url, name, 'scrollbars=yes,resizable=yes,top=' + top + ',left=' + left + ',width=' + width + ',height=' + height);

}