window.onload = init_image;

function getElement (aId)
{
    return (document.getElementById) ? document.getElementById (aId) :
                                       document.all[aId]; 
}

function init_image()
{
	var images = new Array (4);
	var rnum = 0;

	images[0] = 'images/titleright2.gif';
	images[1] = 'images/titleright3.gif';
	images[2] = 'images/titleright5.gif';
	images[3] = 'images/titleright6.gif';

	rnum += Math.floor(Math.random() * 4);
	getElement ('titleImage').src = images[rnum];
}

function showDiv (parentDiv, divID)
{
	var childNodes = getElement (parentDiv).childNodes;

	for (var n=0; n < childNodes.length; n++)
	{
		if (childNodes[n].nodeName.toLowerCase() == 'div')
		{
			if (childNodes[n].id == divID)
			{
				childNodes[n].style.display = 'block';
			}
			else
			{
				childNodes[n].style.display = 'none';
			}
		}
	}
}

function showFrame (parentDiv, frameID)
{
	var childNodes = getElement (parentDiv).childNodes;

	for (var n=0; n < childNodes.length; n++)
	{
		if (childNodes[n].nodeName.toLowerCase() == 'iframe')
		{
			if (childNodes[n].id == frameID)
			{
				childNodes[n].style.display = 'block';
			}
			else
			{
				childNodes[n].style.display = 'none';
			}
		}
	}
}

function resizeDiv (id)
{

}