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function getLeftPostion( theObj ) { var pos = 0; while ( theObj != null ) { pos += theObj.offsetLeft; //get the Object which contain theObj. theObj = theObj.offsetParent; } return pos; } function getTopPostion( theObj ) { var pos = 0; while ( theObj != null ) { pos += theObj.offsetTop; //get the Object which contain theObj. theObj = theObj.offsetParent; } return pos; } function checkVersion() { var isBadVersion=true; var curVer=navigator.appVersion; var pos=parseInt(curVer.indexOf("MSIE")); if (pos>=1) { var intVer=parseInt(curVer.charAt(pos+5)); if (intVer>=5) { isBadVersion=false;} } if (isBadVersion) { var msg="This page may not be displayed properly: "+ " This product requires Microsoft Internet Explorer 5 or later browser only."; alert(msg); } } //check the browser version checkVersion(); // the array of comboBoies theArray = new Array(); function combobox(objId, objHandler) { this.comObj = document.all[objId]; //this.comObj.selectedIndex = -1; 我觉得可以去掉这一句 |