function change_irfaqheaderbg(faq_id,count,hash,activity){
	if(faq_id != 'all'){
		var single_faq_id = ""+faq_id+"_"+hash;
		var act_class = document.getElementById(single_faq_id).className;
		if(act_class == 'tx-irfaq-dynheader'){
			document.getElementById(single_faq_id).className = 'tx-irfaq-dynheader_active';
		}else{
			document.getElementById(single_faq_id).className = 'tx-irfaq-dynheader';
		}
	}else{
		for(i=1; i<=count; i++){
			var single_faq_id = 'irfaq_header_'+i+"_"+hash;
			if(activity == 'show'){
				document.getElementById(single_faq_id).className = 'tx-irfaq-dynheader_active';
			}else{
				document.getElementById(single_faq_id).className = 'tx-irfaq-dynheader';
			}
		}
	}
}