谷歌showModalDialog()方法不兼容出现对话窗口的解决办法

<script type="text/javascript">//开启模式窗口function showMyModal() {var url = "SelectUser.aspx";//传入参数示例var modalReturnValue = myShowModalDialog(url, window, 300, 500);//alert(modalReturnValue.name);//窗口关闭后执行某些方法//TODO　sth}//弹出框google Chrome执行的是openfunction myShowModalDialog(url, args, width, height) {var tempReturnValue;if (navigator.userAgent.indexOf("Chrome") > 0) {var paramsChrome = 'height=' + height + ', width=' + width + ', top=' + (((window.screen.height - height) / 2) - 50) +',left=' + ((window.screen.width - width) / 2) + ',toolbar=no, menubar=no, scrollbars=no, resizable=no, location=no, status=no';window.open(url, "newwindow", paramsChrome);}else {var params = 'dialogWidth:' + width + 'px;dialogHeight:' + height + 'px;status:no;dialogLeft:'+ ((window.screen.width - width) / 2) + 'px;dialogTop:' + (((window.screen.height - height) / 2) - 50) + 'px;';tempReturnValue = window.showModalDialog(url, args, params);}return tempReturnValue;}</script>