var activeLink = "link1";

function mouseOver(layerID)
{
	if(document.layers)
	{ 
                document.layers[layerID].visibility = "visible";
        }
	
        else if(document.all)
	{ 
                document.all[layerID].style.visibility = "visible";
        }

        else if(document.getElementById)
	{ 
                document.getElementById(layerID).style.visibility = "visible";
        }
}


function mouseOut(layerID)
{

	if(document.layers)
	{ 
                document.layers[layerID].visibility = "hidden";
        }
	
        else if(document.all)
	{ 
                document.all[layerID].style.visibility = "hidden";
        }

        else if(document.getElementById)
	{ 
                document.getElementById(layerID).style.visibility = "hidden";
        }
}