function fixColumns() {
	$('promos').setStyle({
		height: (getElementHeight('info') - 8) + 'px'			   
	}); 
}

function getElementHeight(element) {
    var height = 0;
    if (typeof($(element).innerHeight) == 'number') {
        height = $(element).innerHeight;
    } else {
		height = $(element).clientHeight;
    }
	
    return height;
}

function togglePhotos(num) {
	
	var element = 'photos-' + num;
	var elementNav = 'nav-photos-' + num;
	
	for (i=1; i <= 3; i++) {
		var currentElement = 'photos-' + i;
		var currentNav = 'nav-photos-' + i;
		
		if ($(currentElement).visible()) {
			if (currentElement != element) {
				$(currentElement).hide();
				$(currentNav).removeClassName('selected');
			}
		}
	}	
	
	$(elementNav).addClassName('selected');	
	$(element).appear({duration:.5});	
	
}