jQuery.fn.ImageAutoSize = function(width,height)
{
$("img",this).each(function()
{
var image = $(this);
if(image.width()>width)
{
image.width(width);
image.height(width/image.width()*image.height());
}
if(image.height()>height)
{
image.height(height);
image.width(height/image.height()*image.width());
}
});
}
//
$(function(){ $(".art_body").ImageAutoSize(670,800);});

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