function DrawImage( ImgD , MaxWidth , MaxHeight )
{
    var img = new Image();
    var _w = 0;
    var _h = 0;
    if(typeof ImgD == "string")
    {
    	ImgD = document.getElementById(ImgD);
    }
    img.src = ImgD.src;
    if( img.width > 0 && img.height > 0 )
    {
        if( img.width / img.height >= MaxWidth / MaxHeight )
        {
            if( img.width > MaxWidth )
            {
                _w = MaxWidth;
                _h = ( img.height * MaxHeight ) / img.width;
            }
            else
            {
                _w = img.width;
                _h = img.height;
            }
        }
        else
        {
            if( img.height > MaxHeight )
            {
                _h = MaxHeight;
                _w = ( img.width * MaxHeight ) / img.height;
            }
            else
            {
                _w = img.width;
                _h = img.height;
            }
        }
        ImgD.width = _w;
        ImgD.height= _h;
    }
}

function Img( src ){
	var o = document.getElementById("BigPic");
	var img = new Image();
	img.src = src;
	o.src = img.src;
	DrawImage(o , 334 , 340 );
}