function googlemap_big ()
{
	var box = document.getElementById('googlemap');
	var res = box.offsetHeight + 50;
	box.style.height = res+'px';
}

function googlemap_small ()
{
	var box = document.getElementById('googlemap');
	var res = box.offsetHeight - 50;
	if (res <= 290) res = 290;
	box.style.height = res+'px';
}

function showDiv (div_name)
{
	eO = document.getElementById(div_name).style;
	eO.visibility = "visible";
	eO.display = "block";
}

function hiddenDiv (div_name)
{
	eO = document.getElementById(div_name).style;
	eO.visibility = "hidden";
	eO.display = "none";
}