inline_image_shrink = function() {
	var max_width = 641;
	var max_avatar = 120;
	for(var i=0; i<document.images.length; i++) {
		if(document.images[i]['className'] != 'board_image'){
			if(document.images[i]['width'] > max_width || document.images[i]['height'] > max_width) {
				document.images[i].style.width = 9;
				document.images[i].style.height = 9;
				document.images[i].style.cursor = "pointer";
		
			}else if( (document.images[i]['className'] == 'avatar') && (document.images[i]['width'] > max_avatar)){
				document.images[i].style.width = max_avatar;
			}
		}
	}
}