【转自】http://www.cnblogs.com/lincats/archive/2008/06/19/1226024.html
直接拷到Head区就可用。
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document.onkeydown=function(evt)
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{
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var isie = (document.all) ? true : false;
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var key;
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var srcobj;
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if (isie)
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{
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key = event.keyCode;
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srcobj=event.srcElement;
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}
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else
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{
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key = evt.which;
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srcobj=evt.target;
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}
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if(key==13 && srcobj.type!='button' && srcobj.type!='submit' &&srcobj.type!='reset'
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&& srcobj.type!='textarea' && srcobj.type!='')
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{
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if(isie)
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{
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event.keyCode=9;
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}
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else
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{
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var el=getNextElement(evt.target);
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if (el.type!='hidden')
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el.focus();
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else
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while (el.type=='hidden')
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el=getNextElement(el);
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el.focus();
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return false;
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}
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}
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}
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function getNextElement (field) {
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var form = field.form;
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for (var e = 0; e < form.elements.length; e++) {
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if (field == form.elements[e])
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break;
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}
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return form.elements[++e % form.elements.length];
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}
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![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
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