function show_image(url, width, height)
{
	image_window = window.open('/show_image.phtml?image=' + url, 'image_window_' + width + '_' + height, 'scrollbars=0,status=0,location=0,toolbar=0,titlebar=1,resizable=0,menubar=0,width=' + width + ',height=' + height + ',top=10,left=10');
}

function show_photo(url, title, width, height)
{
	image_window = window.open('/show_photo.phtml?image=' + url + '&title=' + title, 'image_window_' + width + '_' + height, 'scrollbars=0,status=0,location=0,toolbar=0,titlebar=1,resizable=0,menubar=0,width=' + width + ',height=' + height + ',top=10,left=10');
}

function change_layer_status(layer_name)
{
	var layer_ref = "null", style_switch = "null";

	if (navigator.appName == "Netscape") {

		layer_ref = "document.getElementById";
		style_switch=".style";
	}
	else {

		layer_ref = "document.all";
		style_switch=".style";
	}

	if (!eval(layer_ref + '("' + layer_name + '")' + style_switch + '.visibility') || eval(layer_ref + '("' + layer_name + '")' + style_switch + '.visibility') == "hidden")
		eval(layer_ref + '("'+layer_name+'")' + style_switch + '.visibility = "visible"');
	else 	
		eval(layer_ref + '("'+layer_name+'")' + style_switch + '.visibility = "hidden"');

	return false;
}