function resize_imgs(){
	var theDiv = ( document.getElementById( 'container_div' ) )? document.getElementById( 'container_div' ):null;
	if( theDiv ){
		var theImgArray = theDiv.getElementsByTagName( 'img' );
		for( var i=0; i<theImgArray.length; ++i ){
			var img = theImgArray[i];
			var iw = img.width;
			var ih = img.height;
			if( iw > 350 ){
				var ratio = iw / ih;
				img.height = 350;
				img.width = 350 * ratio;
				while( img.width > 350 ){
					img.height -= 1;
					img.width = img.height * ratio;
				}
			}
		}
	}
}