ie7下预览本地图片的办法

<script. type="text/javascript">
9kYWanI0function $(idname) {
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VY0    if (document.getElementById) {
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JsY!d0        return document.getElementById(idname);
_@7@_ qy4h0d0    } else if (document.all) {无忧脚本9Z6v'kCI
        return document.all[idname];
"n+[0Ql(|n0    } else if (document.layers)    {
2J/p:Sx.|-Ny#D0        return document.layers[idname];无忧脚本a9R:v$c/sswD
    } else {无忧脚本t9O"t!n1z
        return null;无忧脚本(Z-f~u/g\
    }无忧脚本rl!Jow-Zs
}无忧脚本%F.I_~d!b\x

b'|4rS%IuX0function change_photo(obj)无忧脚本W(A.PWs3Y7m
{
*~$}#Qi"^K&s0    var Preview_1 = $('preview_1');无忧脚本g6I$z'FLv$d}_
    var str = obj.value || obj;无忧脚本SF K0c9\@"t
    try{无忧脚本&I |+c!A+\)Cqj*|
            Preview_1.filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src = str;
H@ z2ana Gs0            Preview_1.style.width='73px';
,{}B5a|Yr!B"A0            Preview_1.style.height='73px';
b glW S(k.g0            Preview_1.filters.item("DXImageTransform.Microsoft.AlphaImageLoader").sizingMethod = 'scale';
'q3f7TXY0无忧脚本 pr2i^iK
            $('preview_1_init').style.display = "none";无忧脚本d#^5C|$V7i
        }catch(e){}
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br4_F1S$H&b0</script>无忧脚本5yZ4mce}'}J6N$j'k
<div id="preview_1" style="width:73px;height:73px;filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=image);"><img id="preview_1_init" src="http://cache.orion.sina.com.cn/music_d/user_photo/79/04/1144137904_l" nerror="change_photo(this.src);" width="73" height="73" border="0" /></div>无忧脚本7h B d-^,t9\
<input type="file" name="file" id="file" class="input_150 input_bj_02" nchange="change_photo(this)"/>无忧脚本!Z$xhN%J)nV+U