function std_img_search()
{
	$("img").each( function () {
		//get the aspect ratios
		src =$(this).attr("src");
		var h = 0;
		var w = 0;
		//for each image, get their height and width
		$('body').append($('<img src="' + src  + '" style="display:none" />').load(function() {h = $(this).height(); w = $(this).width(); $(this).remove();}));
		ar = h/w;
		//if the ration is > 1:3 and less than 3:1, we keep it
		if(ar > .33 && ar < 3 && h >= 100 && w >= 100)
		{
			img_arr.push(src);
		}
	});
}