var _bc=window.IPBoard;jsDebug=1;_bc.prototype.bc={validClasses:['tree','sky','desert'],init:function()
{Debug.write('init bc');document.observe('dom:loaded',function()
{$$('.backgroundChooser').each(function(elem)
{$(elem).observe('click',function(e)
{elem=Event.findElement(e,'input');newClass=elem.id;if(ipb.bc.validClasses.include(newClass))
{$('sub_header').className="";$('sub_header').addClassName(newClass);$('sub_repeat').className="";$('sub_repeat').addClassName(newClass);ipb.Cookie.set('background',newClass,1);}});});});}};ipb.bc.init();