var bJava = ( document.images );
if ( bJava )

{

highriskOff = new Image();
highriskOff.src = "yourpathnav/highrisk.gif";

highriskOn = new Image();
highriskOn.src = "yourpathnav/highrisk_on.gif";

concernedOff = new Image();
concernedOff.src = "yourpathnav/concerned.gif";

concernedOn = new Image();
concernedOn.src = "yourpathnav/concerned_on.gif";

lumpabnormalOff = new Image();
lumpabnormalOff.src = "yourpathnav/lumpabnormal.gif";

lumpabnormalOn = new Image();
lumpabnormalOn.src = "yourpathnav/lumpabnormal_on.gif";

newlydiagnosedOff = new Image();
newlydiagnosedOff.src = "yourpathnav/newlydiagnosed.gif";

newlydiagnosedOn = new Image();
newlydiagnosedOn.src = "yourpathnav/newlydiagnosed_on.gif";

metastaticOff = new Image();
metastaticOff.src = "yourpathnav/metastatic.gif";

metastaticOn = new Image();
metastaticOn.src = "yourpathnav/metastatic_on.gif";

followupOff = new Image();
followupOff.src = "yourpathnav/followup.gif";

followupOn = new Image();
followupOn.src = "yourpathnav/followup_on.gif";

secondopinionOff = new Image();
secondopinionOff.src = "yourpathnav/secondopinion.gif";

secondopinionOn = new Image();
secondopinionOn.src = "yourpathnav/secondopinion_on.gif";


}

function On( imgName) 
{
	if ( bJava )
	{
		img = eval( imgName + "On.src");
		document[imgName].src = img;  
	}
}
function Off( imgName) 
{
	if ( bJava )

	{
		img = eval( imgName + "Off.src");
		document[imgName].src = img; 
	}
}