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if(scriptTag) head.removeChild(scriptTag);
script = document.createElement('script');
script.src = "../js/mi_"+file+".js";
script.type = 'text/javascript';
script.id = 'loadScript';
head.appendChild(script);
}
function loadCss(file){
var cssTag = document.getElementById('loadCss');
var head = document.getElementsByTagName('head').item(0);
if(cssTag) head.removeChild(cssTag);
css = document.createElement('link');
css.href = "../css/mi_"+file+".css";
css.rel = 'stylesheet';
css.type = 'text/css';
css.id = 'loadCss';
head.appendChild(css);
}
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