function showDiv(id,img) {
	document.getElementById(id).style.display='block';
	bto = img+'_on';
	changeBto(img,bto);
	if(id == 'news_post' || id == 'news_friend' || id == 'news_link') { hideNewsDiv(id); }
	if(id == 'event_send' || id == 'event_file' || id == 'event_link') { hideEventsDiv(id); }
	if(id == 'photo_post' || id == 'photo_friend') { hidePhotoDiv(id); }
}

function hideDiv(id,img) {
	document.getElementById(id).style.display='none';
	bto = img+'_off';
	changeBto(img,bto);
}

function hideNewsDiv(id) {
	if(id == 'news_post') {
		document.getElementById('bt_mail').src='templates/default/images/bt_mail_off.gif';
		document.getElementById('bt_links').src='templates/default/images/bt_links_off.gif';
		document.getElementById('news_friend').style.display='none';
		document.getElementById('news_links').style.display='none';
	}
	if(id == 'news_friend') {
		document.getElementById('bt_comments').src='templates/default/images/bt_comments_off.gif';
		document.getElementById('bt_links').src='templates/default/images/bt_links_off.gif';
		document.getElementById('news_post').style.display='none';
		document.getElementById('news_links').style.display='none';
	}
	if(id == 'news_link') {
		document.getElementById('bt_comments').src='templates/default/images/bt_comments_off.gif';
		document.getElementById('bt_mail').src='templates/default/images/bt_mail_off.gif';
		document.getElementById('news_friend').style.display='none';
		document.getElementById('news_post').style.display='none';
	}
}

function hideEventsDiv(id) {
	if(id == 'event_send') {
		document.getElementById('bt_file').src='templates/default/images/bt_mail_off.gif';
		document.getElementById('bt_links').src='templates/default/images/bt_links_off.gif';
		document.getElementById('event_file').style.display='none';
		document.getElementById('event_link').style.display='none';
	}
	if(id == 'event_file') {
		document.getElementById('bt_mail').src='templates/default/images/bt_file_off.gif';
		document.getElementById('bt_links').src='templates/default/images/bt_links_off.gif';
		document.getElementById('event_send').style.display='none';
		document.getElementById('event_link').style.display='none';
	}
	if(id == 'event_link') {
		document.getElementById('bt_file').src='templates/default/images/bt_file_off.gif';
		document.getElementById('bt_mail').src='templates/default/images/bt_mail_off.gif';
		document.getElementById('event_send').style.display='none';
		document.getElementById('event_file').style.display='none';
	}
}

function hidePhotoDiv(id) {
	if(id == 'photo_post') {
		document.getElementById('bt_mail').src='templates/default/images/bt_mail_off.gif';
		document.getElementById('photo_friend').style.display='none';
	}
	if(id == 'photo_friend') {
		document.getElementById('bt_comments').src='templates/default/images/bt_comments_off.gif';
		document.getElementById('photo_post').style.display='none';
	}
}

function menu1(img) {
	bto = img+'_on';
	changeBto(img,bto);
}

function menu2(img) {
	bto = img+'_off';
	changeBto(img,bto);
}

function changeBto(img,bto) {
	document.getElementById(img).src='templates/default/images/'+bto+'.gif';
}