function toggle_id(obj) {
	var el = document.getElementById(obj);
	if ( el.style.display != 'none' ) {
		el.style.display = 'none';
	}
	else {
		el.style.display = '';
	}
}
function toggle_slide_wid(obj, id) {
	var el = document.getElementById(obj);
	var img1 = document.getElementById('subcatimg_1_'+id);
	var img2 = document.getElementById('subcatimg_2_'+id);
	
	if ( el.style.display != 'none' ) {
		new Effect.toggle(el, 'blind');
		img1.style.display = '';
		img2.style.display = 'none';
	}
	else {
		new Effect.toggle(el, 'blind');
		img1.style.display = 'none';
		img2.style.display = '';				
	}			
}

function toggle_slide(obj) {
	var el = document.getElementById(obj);
	
	if ( el.style.display != 'none' ) {
		new Effect.SlideUp(el);
	}
	else {
		new Effect.SlideDown(el);
	}			
}