// complete approach page template javascript
var currentTestament = 'old';
function selectTestament(t) {
	if(t==currentTestament) return;
	otherT = (t=='old') ? 'new' : 'old';
	$(t+'-testament-link').addClassName('testament-link-on');
	$(otherT+'-testament-link').removeClassName('testament-link-on');
	currentTestament = t;
	$(otherT+'-testament-books').setStyle({display:'none'});
	$(t+'-testament-books').setStyle({display:'block'});
}

var currentResource = '';
function selectResource(r) {
	var allElements = document.getElementsByClassName('r-t');
	var theseElements = document.getElementsByClassName('r-'+r);
	if(r == currentResource) { // show all
		for(i=0;i<allElements.length;i++) { allElements[i].setOpacity(0.99); }
		currentResource = '';
	} else { // hide all but this one
		for(i=0;i<allElements.length;i++) { allElements[i].setOpacity(0.2); }
		for(i=0;i<theseElements.length;i++) { theseElements[i].setOpacity(0.99); }
		currentResource = r;
	}	
}