function changeImageToHover(s)
{
	var imgUrl = document.getElementById(s).src;
	document.getElementById(s).src = imgUrl.substring(0, imgUrl.indexOf(".",34)) + "Hover.png";
}
function removeImageHover(s)
{
	var imgUrl = document.getElementById(s).src;
	document.getElementById(s).src = imgUrl.substring(0, imgUrl.indexOf("Hover",34)) + ".png";
}

// simple function to create a cookie
function SetCookie(cookieName,cookieValue,nDays)
{
	var today = new Date();
	var expire = new Date();
	if (nDays==null || nDays==0) nDays=1;
	expire.setTime(today.getTime() + 3600000*24*nDays);
	document.cookie = cookieName+"="+escape(cookieValue)
                 + ";expires="+expire.toGMTString();
}

// toggle the visibility of an element, by id
function ToggleVisibility(id)
{
	var el = document.getElementById(id);
	if ( el.style.display != 'none' ) {
		el.style.display = 'none';
	}
	else {
		el.style.display = '';
	}
}

function HideAllChildren(id,showchild)
{
	var element = document.getElementById(id);
	if(element.hasChildNodes())
	{
		var children = element.childNodes;
		for( var x =0; x < children.length; x++)
		{
			var child = children[x];
			if(child.style)
			{
				child.style.display = 'none';
				if(child.id == showchild)
				{
					child.style.display = 'block';
				}
			}
		}
	}
	
}