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

{

ctrialsOff = new Image();
ctrialsOff.src = "trialsnav/ctrials.gif";

ctrialsOn = new Image();
ctrialsOn.src = "trialsnav/ctrials_on.gif";

basicresearchOff = new Image();
basicresearchOff.src = "trialsnav/basicresearch.gif";

basicresearchOn = new Image();
basicresearchOn.src = "trialsnav/basicresearch_on.gif";

patientperspOff = new Image();
patientperspOff.src = "trialsnav/patientpersp.gif";

patientperspOn = new Image();
patientperspOn.src = "trialsnav/patientpersp_on.gif";

bcforumOff = new Image();
bcforumOff.src = "trialsnav/bcforum.gif";

bcforumOn = new Image();
bcforumOn.src = "trialsnav/bcforum_on.gif";

trialsnewsletterOff = new Image();
trialsnewsletterOff.src = "trialsnav/trialsnewsletter.gif";

trialsnewsletterOn = new Image();
trialsnewsletterOn.src = "trialsnav/trialsnewsletter_on.gif";

questionnaireOff = new Image();
questionnaireOff.src = "trialsnav/questionnaire.gif";

questionnaireOn = new Image();
questionnaireOn.src = "trialsnav/questionnaire_on.gif";

otherresourcesOff = new Image();
otherresourcesOff.src = "trialsnav/otherresources.gif";

otherresourcesOn = new Image();
otherresourcesOn.src = "trialsnav/otherresources_on.gif";

glossaryOff = new Image();
glossaryOff.src = "trialsnav/glossary.gif";

glossaryOn = new Image();
glossaryOn.src = "trialsnav/glossary_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; 
	}
}