function hover_link(is_menu,id,is_color)
{
	document.getElementById('menu_'+is_menu+'_'+id).style.color = is_color;
	
	if (is_menu == 0)
	{
		if (is_color == '#FF7F24')
			document.getElementById('menu_'+is_menu+'_'+id).style.textDecoration = 'none';
		if (is_color == '#00A9E2')
			document.getElementById('menu_'+is_menu+'_'+id).style.textDecoration = 'underline';
	}
}

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 = 460;
	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";
}