function showinfo(tab){
	var tabnr = document.getElementById("v2_videoinfo_tabs").value;
	for (var i = 1; i <= tabnr; i++){
		if (i == tab){
			document.getElementById('v2_infotab_' + i).className = 'tabrideract';
			document.getElementById('v2_video_info_' + i).className = 'show';
		} else {
			document.getElementById('v2_infotab_' + i).className = 'tabrider';
			document.getElementById('v2_video_info_' + i).className = 'hidden';
		}
	}
}

function showcompinfo(tab){
	var tabnr = document.getElementById("v2_company_tabs").value;
	for (var i = 1; i <= tabnr; i++){
		if (i == tab){
			document.getElementById('v2_rightarea_tab_' + i).className = 'rightarea_tab_act';
			document.getElementById('v2_company_info_' + i).className = 'show';
		} else {
			document.getElementById('v2_rightarea_tab_' + i).className = 'rightarea_tab';
			document.getElementById('v2_company_info_' + i).className = 'hidden';
		}
	}
}