function replace_image(image_id, replacement_url)
{
	first_image = document.getElementById(image_id);
	first_image.src = replacement_url;
}

function contents_rollover(object,href)
{
	object.style.cursor = "pointer";
	object.style.cursor = "hand";
	object.style.backgroundImage = "url(../images/down.gif)";
	object.style.color = "#CC0033";
	areas = object.getElementsByTagName("a");
	for(var i = 0; i < areas.length; i++)
	{
		areas[i].style.color = "#CC0033";
	}
	object.onmouseout = new Function("this.style.backgroundImage='url(../images/up.gif)';this.style.color='';areas = this.getElementsByTagName('a');for(var j = 0; j < areas.length; j++) {areas[j].style.color='';}");
	object.onclick = new Function("location.href='" + href + "'");
}

function folder_rollover(object,pic)
{
	object.style.cursor = "pointer";
	object.style.cursor = "hand";
	big_folder = document.getElementById("big_folder");
	big_folder.src = pic;
}