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innerTextÊÇieµÄ˽ÓÐÊôÐÔ£¬firefoxµÄÀàËÆÊôÐÔΪtextContent£¬Èç¹ûÔÚÍøÒ³ÖÐʹÓÃinnerTextµÄ»°£¬ÐèÒªÓÃÒ»¸öÌõ¼þÅжÏÀ´²é¿´ä¯ÀÀÆ÷Ö§³ÖÄÄÖÖÊôÐÔ¡£ÕâÀïÎÒÃÇ¿ÉÒÔΪfirefox¶¨ÒåÒ»¸öinnerTextʹµÃÔÚÕýÎÄ´úÂëÖÐÖ»ÐèÒªÓÃinnerText¶ø·ÇÒ»¸öº¯Êý£¬¿Éʹ´úÂë±äµÃ¸üÖ±¹Û¼ò½à¡£
var lBrowser = {};
lBrowser.agt = navigator.userAgent.toLowerCase();
lBrowser.isW3C = document.getElementById ? true:false;
lBrowser.isIE = ((lBrowser.agt.indexOf("msie") != -1) && (lBrowser.agt.indexOf("opera") == -1) && (lBrowser.agt.indexOf("omniweb") == -1));
lBrowser.isNS6 = lBrowser.isW3C && (navigator.appName=="Netscape");
lBrowser.isOpera = lBrowser.agt.indexOf("opera") != -1;
lBrowser.isGecko = lBrowser.agt.indexOf("gecko") != -1;
lBrowser.ieTrueBody =function (){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body;
};
if(lBrowser.isNS6){
HTMLElement.prototype.__defineGetter__( "innerText",
function(){
return this.textContent;
}
);
HTMLElement.prototype.__defineSetter__( "innerText",
function(sText){
this.textContent=sText;
}
);
}


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function isNumeric(strNumber) {
var newPar=/^(-|\+)?\d+(\.\d+)?$/
alert(newPar.test(strNumber)); }
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s += "\r\nÍøÒ³¿É¼ûÇøÓò¿í£º"+ document.body.clientWidth;
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/**  
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String.prototype.trim=function(){      
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