function expandGeoAreas(divObj,imageObj, maindivObj)
{
	//var obj = getObject("divGeoAreas");
	//var text = getObject("divExpandText");
	//var img = getObject("imgGeoArea");
	var divId = document.getElementById(divObj);
	var imageId = document.getElementById(imageObj);
	var maindivId = document.getElementById(maindivObj);
	
	if (divId.style.visibility == "hidden")
	{
		divId.style.visibility = "visible";
		maindivId.className = 'div_on';
		divId.style.display = "block";
		imageId.src = "img/nav_img/arrow_down.gif";
		//text.style.visibility = "hidden";
		//text.style.display = "none";
		
	}
	else
	{
		maindivId.className = 'div_off';
		divId.style.visibility = "hidden";
		divId.style.display = "none";
		imageId.src = "img/nav_img/arrow_up.gif";
		//text.style.visibility = "visible";
		//text.style.display = "block";
	}
}