function getNode( nodeId )
		{
		if( document.getElementById )
			return document.getElementById( nodeId );
		else if( document.all && document.all( nodeId ) )
			return document.all( nodeId );
		else if( document.layers && document.layers[ nodeId ] )
			return document.layers[ nodeId ];
		else
			return false;
		}

function chNodeSrc(id, nodeSrc)
	{
	if(node=getNode(id))
		{node.src=nodeSrc;}
	}


function showNode(nodeId)
	{
	if(a=getNode(nodeId))
		{a.style.display="block";}
	}

function hideNode(nodeId)
	{
	if(a=getNode(nodeId))
		{a.style.display="none";}
	}

function showHideNode(nodeId)
	{
	a=getNode(nodeId)
	if(a.style.display=="block")
		{hideNode(nodeId);}
	else
		{showNode(nodeId);}
	}

function chNodeDisplay(id)
	{
	if(node=getNode(id))
		{
		if(node.style.display=="block")
			{node.style.display="none";}
		else
			{node.style.display="block";}
		}
	}


function activateMenuCell(nodeId)
	{
	if(node=getNode(nodeId))
		{node.style.background="url(/img/next/menu/top/left.gif)";}
	}

function deactivateMenuCell(nodeId)
	{
	if(node=getNode(nodeId))
		{node.style.background="url(/img/spacer.gif)";}
	}


function activateMenu(node)
	{
	deactivateMenuCell("top1_"+defoultMenuId);
	deactivateMenuCell("top2_"+defoultMenuId);
	deactivateMenuCell("down1_"+defoultMenuId);
	deactivateMenuCell("down2_"+defoultMenuId);
	activateMenuCell("top1_"+node);
	activateMenuCell("top2_"+node);
	activateMenuCell("down1_"+node);
	activateMenuCell("down2_"+node);
	}

function deactivateMenu(node)
	{
	deactivateMenuCell("top1_"+node);
	deactivateMenuCell("top2_"+node);
	deactivateMenuCell("down1_"+node);
	deactivateMenuCell("down2_"+node);
	activateMenuCell("top1_"+defoultMenuId);
	activateMenuCell("top2_"+defoultMenuId);
	activateMenuCell("down1_"+defoultMenuId);
	activateMenuCell("down2_"+defoultMenuId);
	}