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function loadJs(){
if (!getObj('script_PlData')){
var scriptObj= document.createElement("script");
//scriptObj.id = 'script_1';
scriptObj.type = "text/javascript";
scriptObj.src='/js/m.js' ;
document.body.appendChild(scriptObj);
}
}
//¼ÓÔØcss¡¢
function loadCss(){
var cssObj=null;
cssObj = document.createElement("style");
var cssAry=new Array();
cssObj.setAttribute("type", "text/css");
cssAry.push('img {border:none;}');
cssAry.push('.div{ width:350px; height:auto; border:1px solid #000000;}');
cssAry.push('.div_data{ width:300px; height:70px; border:1px solid #CCCCCC;}');
cssAry.push('body{ font-size:12px;}'); //alert('stop')
if(cssObj.styleSheet){
cssObj.styleSheet.cssText=cssAry.join(' ');
}else{
cssObj.appendChild(document.createTextNode(cssAry.join(' ')));
}
var headObj=document.getElementsByTagName('head')[0];
headObj.appendChild(cssObj);
}
function loadCss2(){
var cssObj = document.createElement('link');
cssObj.setAttribute('id','css_ID');
cssObj.setAttribute('rel','stylesheet');
cssObj.setAttribute('type','text/css');
cssObj.setAttribute('href','xxx.css');
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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