function hidediv(id) {
        //safe function to hide an element with a specified id
        if (document.getElementById) { // DOM3 = IE5, NS6
                document.getElementById(id).style.display = 'none';
        }
        else {
                if (document.layers) { // Netscape 4
                        document.id.display = 'none';
                }
                else { // IE 4
                        document.all.id.style.display = 'none';
                }
        }
}

function showdiv(id) {
        //safe function to show an element with a specified id
        if (document.getElementById) { // DOM3 = IE5, NS6
                document.getElementById(id).style.display = 'block';
        }
        else {
                if (document.layers) { // Netscape 4
                        document.id.display = 'block';
                }
                else { // IE 4
                        document.all.id.style.display = 'block';
                }
        }
}

//
var show;
show=0;
function showhide(id){
   //alert(id);
    var gobutton = id + 'go';
    var retbutton = id + 'ret';
    if(show==0){
        show=1;
        document.getElementById(id).style.display = "block";
        document.getElementById(gobutton).style.display = "none";
        document.getElementById(retbutton).style.display = "block";
    }
    else{
        show=0;
        document.getElementById(id).style.display = "none";
        document.getElementById(gobutton).style.display = "block";
        document.getElementById(retbutton).style.display = "none";
    }
    return false;
}

var showq;
showq=0;
function showel(id){
    if(showq==0){
        showq=1;
        document.getElementById(id).style.display = "block";
    }
    else{
        showq=0;
        document.getElementById(id).style.display = "none";
    }
    return false;
}

var showhide2;
showhide2=0;
function showonehideother(idshow,idhide){
    if(showhide2==0){
        showhide2=1;
        document.getElementById(idshow).style.display = "block";
        document.getElementById(idhide).style.display = "none";
    }
    else{
        showhide2=0;
        document.getElementById(idshow).style.display = "none";
        document.getElementById(idhide).style.display = "block";
    }
    return false;
}

var imgbrowsedid;
imgbrowsedid=0;
function showimgup(id, numimg, maximg){
    if(imgbrowsedid==numimg){
                document.getElementById('img'+imgbrowsedid).style.display = "none";
                imgbrowsedid=0;
    }
    else{
        for (var i=1; i <= maximg; i++){
                if(numimg == i){
                        document.getElementById(id).style.display = "block";
                        imgbrowsedid=numimg;
                }
                else{
                        document.getElementById('img'+i).style.display = "none";
                }
        }
    }
    return false;
}

var dfbrowsedid;
dfbrowsedid=0;
function showfileup(id, numdf, maxdf){
    if(dfbrowsedid==numdf){
                document.getElementById('df'+dfbrowsedid).style.display = "none";
                dfbrowsedid=0;
    }
    else{
        for (var i=1; i <= maxdf; i++){
                if(numdf == i){
                        document.getElementById(id).style.display = "block";
                        dfbrowsedid=numdf;
                }
                else{
                        document.getElementById('df'+i).style.display = "none";
                }
        }
    }
    return false;
}

function showidhideid(idshow,idhide){
    document.getElementById(idshow).style.display = "block";
    document.getElementById(idhide).style.display = "none";
    return false;
}

function showid(idshow){
    document.getElementById(idshow).style.display = "block";
    return false;
}

// poll submit vote
function submitPollVote(){
        var params = $('#poll_form').serialize() ;
        document.getElementById('poll').innerHTML = "";
        document.getElementById('poll').innerHTML = '<img align='+'"center"'+' src=/images/calculating.gif>';
        $.post("poll.pl", params,
        function(data){
                // alert(data);
                document.getElementById('poll').innerHTML = data;
        }, "html");

        setcookie('poll', 1,1);
}


function setcookie(cookieName,cookieValue,nDays) {
        var today = new Date();
        var expire = new Date();
        if (nDays==null || nDays==0){ nDays=1;}
        expire.setTime(today.getTime() + 3600000*24*nDays);
        document.cookie = cookieName+"="+escape(cookieValue)+";expires="+expire.toGMTString();
}

function startMusic(){

}

function stopMusic(){

}


var allowHide = true;
function showMenu(id){
        allowHide = false;
        if (document.getElementById(id).style.display=='none'){
        document.getElementById(id).style.display='block';
        }else{
        document.getElementById(id).style.display='none';
        }
}
function hideMenu(id){
        try{
                document.getElementById(id).style.display='none';
        }catch(e){
                //
        }
}
function setMenu(id,id_value,id_label,value,label){
        document.getElementById(id_value).value = value;
        document.getElementById(id_label).value = label;
        hideMenu(id);
}

<!--
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->