function navi(pro)
{
document.location.href ="?product=" + pro;
} 

function shipping_change(pro)
{
document.location.href ="?cart_action=show&sh=" + pro;
} 


function sh_categories(id)
{
     if (document.getElementById('ul'+id).style.display=='none') 
     {
          document.getElementById('ul'+id).style.display = 'block'; 
     }
     else
     {
          document.getElementById('ul'+id).style.display = 'none'; 
     }
    
}


function populate(objForm,selectIndex)
{
     timeA = new Date(objForm.year.options[objForm.year.selectedIndex].text, objForm.month.options[objForm.month.selectedIndex].value,1);
     timeDifference = timeA - 86400000;
     timeB = new Date(timeDifference);
     var daysInMonth = timeB.getDate();
     for (var i = 0; i < objForm.day.length; i++)
     {
          objForm.day.options[0] = null;
     }
     for (var i = 0; i < daysInMonth; i++)
     {
          objForm.day.options[i] = new Option(i+1);
     }
     document.f1.day.options[0].selected = true;
}


function sh_group(id)
{
     if (document.getElementById('ul'+id).style.display=='none') 
     {
          document.getElementById('ul'+id).style.display = 'block'; 
     }
     else
     {
          document.getElementById('ul'+id).style.display = 'none'; 
     }
     
     document.getElementById('info_box').innerHTML=document.getElementById('g_info'+id).innerHTML;
}


function sh_user(id)
{

document.getElementById('info_box').innerHTML=document.getElementById('u_info'+id).innerHTML;

}



function same_perm(check)
{
var checks = document.getElementsByName('users[]');
var boxcount = checks.length;
 for ( i=0; i < boxcount; i++ ) {
        if (check.value==checks[i].value)
        checks[i].checked = check.checked;
      }
}

function perm_block(id)
{
if (id==3)
document.getElementById('perm_list').style.display = 'block'; 
else
document.getElementById('perm_list').style.display = 'none'; 
}


function sh(id)
{
if (document.getElementById(id).style.display=='none') 
{
document.getElementById(id).style.display = 'block'; 
}
else
{
document.getElementById(id).style.display = 'none'; 
}
}


function changeAction(act)
{
if (act==1)
{
     document.getElementById("module").disabled=true;
}
else
{
     document.getElementById("module").disabled=false;
}
}

function move(fbox, tbox) {
var arrFbox = new Array();
var arrTbox = new Array();
var arrLookup = new Array();
var i;
for (i = 0; i < tbox.options.length; i++) {
arrLookup[tbox.options[i].text] = tbox.options[i].value;
arrTbox[i] = tbox.options[i].text;
}
var fLength = 0;
var tLength = arrTbox.length;
for(i = 0; i < fbox.options.length; i++) {
arrLookup[fbox.options[i].text] = fbox.options[i].value;
if (fbox.options[i].selected && fbox.options[i].value != "") {
arrTbox[tLength] = fbox.options[i].text;
tLength++;
}
else {
arrFbox[fLength] = fbox.options[i].text;
fLength++;
   }
}
arrFbox.sort();
arrTbox.sort();
fbox.length = 0;
tbox.length = 0;
var c;
for(c = 0; c < arrFbox.length; c++) {
var no = new Option();
no.value = arrLookup[arrFbox[c]];
no.text = arrFbox[c];
fbox[c] = no;
}
for(c = 0; c < arrTbox.length; c++) {
var no = new Option();
no.value = arrLookup[arrTbox[c]];
no.text = arrTbox[c];
tbox[c] = no;
   }
}