function menu_top_show(id)
{
	document.getElementById('menu_top_left_'+id).style.visibility = 'visible';
	document.getElementById('menu_top_center_'+id).style.backgroundImage = 'url(img/menu_top_active_center_bg.jpg)';
	document.getElementById('menu_top_right_'+id).style.visibility = 'visible';
}

function menu_top_hide(id)
{
	if (id != document.getElementById('menu_top_active_value').value)
	{
		document.getElementById('menu_top_left_'+id).style.visibility = 'hidden';
		document.getElementById('menu_top_center_'+id).style.backgroundImage = 'none';
		document.getElementById('menu_top_right_'+id).style.visibility = 'hidden';
	}
}

function show_under_bar()
{
	document.getElementById("under_cover").style.opacity = 0.7;
	document.getElementById("under_cover").style.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity="+(70)+")";
}

function show_b_image(num)
{
	show_under_bar();
	
	document.getElementById("under_cover").style.top = 0;
	document.getElementById("under_cover").style.left = 0;
	document.getElementById("under_cover").style.height = document.body.scrollHeight;
	document.getElementById("under_cover").style.width = document.body.scrollWidth;
	
	document.getElementById("under_cover").style.visibility = "visible";
	
	document.getElementById("big_img_"+num).style.top = document.body.scrollTop + ((document.body.clientHeight - document.getElementById("big_img_"+num).scrollHeight)/2);
	document.getElementById("big_img_"+num).style.left = (document.body.clientWidth/2)-(document.getElementById("large_w_"+num).value/2);
	document.getElementById("big_img_"+num).style.visibility = "visible";
}

function hide_b_image(num)
{
	document.getElementById("big_img_"+num).style.visibility="hidden";
	document.getElementById("under_cover").style.visibility = "hidden";
}

function menu_left_shade_on(num,id)
{
	switch (num)
	{
		case 1:
				document.getElementById('menu_left_1_'+id).style.backgroundColor='#A5DDF4';
				document.getElementById('menu_left_2_'+id).style.backgroundColor='#A5DDF4';
			break;
		case 2:
				document.getElementById('menu_left_22_'+id).style.backgroundColor='#CCEAF5';
			break;
		case 3:
				document.getElementById('menu_left_31_'+id).style.backgroundColor='#A5DDF4';
				document.getElementById('menu_left_32_'+id).style.backgroundColor='#A5DDF4';
			break;
	}
}

function menu_left_shade_off(num,id)
{
	switch (num)
	{
		case 1:
				document.getElementById('menu_left_1_'+id).style.backgroundColor='#F7F7F7';
				document.getElementById('menu_left_2_'+id).style.backgroundColor='#F7F7F7';
			break;
		case 2:
				document.getElementById('menu_left_22_'+id).style.backgroundColor='#F0F5F7';
			break;
		case 3:
				document.getElementById('menu_left_31_'+id).style.backgroundColor='';
				document.getElementById('menu_left_32_'+id).style.backgroundColor='';
			break;
	}
}