var path = '/';
var web_gallery = path+'images/web_gallery/large/';
var graphic_gallery = path+'images/graphic_gallery/large/';
var illustration = path+'images/illustration/large/';
var loader = new Image();
loader.src = path+'images/loader.gif';

function loadImage(filename,type_of_gall) {
	var main_picture = $('#gallery_picture');
	$('#loader').show();
	main_picture.hide();
	var mainImage = new Image();
	if(type_of_gall == 'web_gallery')
		var dir = web_gallery;
	if(type_of_gall == 'graphic_gallery')
		var dir = graphic_gallery;
	if(type_of_gall == 'illustration')
		var dir = illustration;
	mainImage.src = dir+''+filename;
	main_picture.attr('src',mainImage.src);
	main_picture.load(function() {
		$('#loader').hide();
		main_picture.show();
	});
}