function ResizeImages(){

    if(document.images.length > 0){

        var intImgHeight = 0, intImgWidth = 0, intForCounter = 0;

        for(intForCounter; intForCounter < document.images.length; intForCounter++){

            intImgWidth = document.images[intForCounter].width;

            if(intImgWidth > 640){

                intImgHeight = document.images[intForCounter].height;

                document.images[intForCounter].width = 630;

                document.images[intForCounter].height = (intImgHeight / (intImgWidth / 630));

            }

        }

    }

}