function sssfdfshowall(){
$('.xsdfdfind').find('.xsdfdf').each(function(){
//alert($(element).text());
$('.xsdfdf').hide('slow');
});
}
function sssfdfshow(n){
//$('#xsdfdf'+n).removeClass('.xsdfdf');
$('.xsdfdfind').find('.xsdfdf').each(function(){
//alert($(element).text());
name = $(this).attr('id');
//alert(name)
if(name!='xsdfdf'+n) $('#'+name).hide('slow');
});
//$('#xsdfdf'+n).addClass('.xsdfdf');
$('#xsdfdf'+n).show('slow');
}
<div id="product_shift_out_{m}"> </div>
<script language = "JavaScript" type="text/javascript">
$(document).ready(function(){
name = $('div').eq(0).attr('id');
alert(name)
});
</script>
<script>
$(document).ready(function(){
var $dh1 = $("#main").width();
alert($dh1) //这个出来没有 px
var $dh2 = $("#main").css("width");
alert($dh2) //这个出来会有 px
}
);
</script>