/*
	Preload course navigation rollover images
*/
cn1i = new Image(48,48);
cn1o = new Image(48,48);
cn2i = new Image(48,48);
cn2o = new Image(48,48);
cn3i = new Image(48,48);
cn3o = new Image(48,48);
cn1i.src = '/lms/pix/venu/previous-i.gif';
cn1o.src = '/lms/pix/venu/previous-o.gif';
cn2i.src = '/lms/pix/venu/lesson-home-i.gif';
cn2o.src = '/lms/pix/venu/lesson-home-o.gif';
cn3i.src = '/lms/pix/venu/next-i.gif';
cn3o.src = '/lms/pix/venu/next-o.gif';

function courseNavRollover(overOut, imgNumber)
{
	if(document.images)
	{
		document.getElementById('cn'+imgNumber).src=overOut==0?eval('cn'+imgNumber+'i.src'):eval('cn'+imgNumber+'o.src');
	}
}