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- function setCharset ( charset ) {
- var metatags = document.getElementsByName('META');
- var charsetMetatag = null;
- for (i = 0; i < metatags.length; i++ ) {
- if ( metatags[i].getAttribute( 'http-equiv' ).toLowerCase() == 'content-type' ) {
- charsetMetatag = metatags[i];
- break;
- }
- }
- if ( charsetMetatag == null ) {
- var metatag = document.createElement('meta');
- metatag.setAttribute('http-equiv','Content-Type');
- metatag.setAttribute('content','text/html; charset='+charset);
- if ( document.getElementsByTagName('head').item(0).hasChildNodes() ) {
- document.getElementsByTagName('head').item(0).insertBefore ( metatag,
- document.getElementsByTagName('head').item(0).childNodes[0] );
- }
- else document.getElementsByTagName('head').item(0).appendChild( metatag );
- }
- else {
- charsetMetatag.content = 'text/html; charset='+charset;
- }
- }
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