在IE中打印预览

<script type="text/javascript">
    function printpr() {    
    var OLECMDID = 7;
    /* OLECMDID values:    * 6 - print    * 7 - print preview    * 1 - open window    * 4 - Save As    */
    var PROMPT = 1; // 2 DONTPROMPTUSER
    var WebBrowser = '<OBJECT ID="WebBrowser1" WIDTH=0 HEIGHT=0 CLASSID="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2"></OBJECT>';
    document.body.insertAdjacentHTML('beforeEnd', WebBrowser);
    WebBrowser1.ExecWB(OLECMDID, PROMPT);
    WebBrowser1.outerHTML = "";    return false; }  
</script>