$(document).ready(function(){
	max_width = 400
	
	$('.entry_body img').each(function(){
		var image_width = $(this).width()
		var image_height = $(this).height()
		
			if(image_width > max_width){
		if(image_width>image_height){
			image_height = ( image_height/image_width) * 400
			image_width = max_width	
		}
	}
$(this).css('width',image_width+'px')
$(this).css('height',image_height+'px')
	})
})