function resizeImgsWithMax(imgobj, mwidth, mheigth)
{
    if (!imgobj) {
        return;
    }
	var height = imgobj.height;
	var width = imgobj.width;
	var targetHeight = height;
	var targetWidth = width;
	var ratio = 0.0;
	var maxWidth = mwidth;
	var maxHeight = mheigth;

	//Ãà¼Ò
	if (width > maxWidth || height > maxHeight) {
		if (width > height) {
			if (width > maxWidth) {
				//¸®»çÀÌ¡
				ratio = height / width;
				
				targetWidth = maxWidth;
				targetHeight = ratio * targetWidth;
			}
		}
		else {
			if (height > maxHeight) {
				//¸®»çÀÌ¡
				ratio = width / height;
				
				targetHeight = maxHeight;
				targetWidth = ratio * targetHeight;
			}
		}
	}
	//È®´ë
	else {
		if (width > height) {
			if (width < maxWidth) {
				//¸®»çÀÌ¡
				ratio = height / width;
				
				targetWidth = maxWidth;
				targetHeight = ratio * targetWidth;
			}
		}
		else {
			if (height < maxHeight) {
				//¸®»çÀÌ¡
				ratio = width / height;
				
				targetHeight = maxHeight;
				targetWidth = ratio * targetHeight;
			}
		}
	}
	
	imgobj.height = targetHeight;
	imgobj.width = targetWidth;
}

var resizeImageByMax = function(img, maxh, maxw) {
    var ratio = maxh/maxw;
    if (img.height/img.width > ratio){
        // height is the problem
        if (img.height > maxh){
            img.width = Math.round(img.width*(maxh/img.height));
            img.height = maxh;
        } else {
            img.width = maxw;
            img.height = maxh;
        }
    } else {
        // width is the problem
        if (img.width > maxh){
            img.height = Math.round(img.height*(maxw/img.width));
            img.width = maxw;
        } else {
            img.width = maxw;
            img.height = maxh;
        }
    }
};