function collapse(categoryid)
{if(document.getElementById){children=document.getElementById('children'+categoryid);button=document.getElementById('button'+categoryid);if(children.style.display!='none'){children.style.display='none';button.innerHTML='+';}
else
{children.style.display='block';button.innerHTML='-';}}
return false;}
function collapse_admin(section)
{if(document.getElementById('acp_'+section).style.display=='none'){document.getElementById('acp_'+section).style.display='block';document.getElementById('button_acp_'+section).innerHTML='-';}
else
{document.getElementById('acp_'+section).style.display='none';document.getElementById('button_acp_'+section).innerHTML='+';}
return false;}
function collapse_custom(categoryid,button_show_text,button_hide_text)
{if(document.getElementById('children'+categoryid).style.display=='none'){document.getElementById('children'+categoryid).style.display='block'
document.getElementById('button'+categoryid).innerHTML=button_hide_text;}
else
{document.getElementById('children'+categoryid).style.display='none'
document.getElementById('button'+categoryid).innerHTML=button_show_text;}}
function toggle_checks(form)
{var elements=form.elements;var element_count=elements.length;for(var i=0;i<element_count;i++)
{if(elements[i].type=="checkbox")
{if(elements[i].checked==true)
{elements[i].checked=false;}
else
{elements[i].checked=true;}}}}
function check(checkbox_id)
{var checkbox=document.getElementById(checkbox_id);if(checkbox.checked)
{checkbox.checked=false;}
else
{checkbox.checked=true;}}