DOM Javascript on Internet Explorer 8

Question

hi everyone,

i have a litte probleme with CSS modification on Internet Explorer. When i add an new CSS style in , IE don't reload the page with the new CSS injected. But when I change CSS property of an element it's works ! (This code work perfectly on Firefox !!!)

do you have any idea to do that the head modification work ?

if(document.createStyleSheet){
       document.createStyleSheet('http://www.xxxx.com/style.css');
}else{
newnode=document.createElement('link');
newnode.id='newStyle';
       newnode.media="all";
newnode.rel="stylesheet";
newnode.type="text/css";

newnode.href='http://www.xxxx.com/style.css';
document.getElementsByTagName('head')[0].readOnly=false;
       document.getElementsByTagName('head')[0].appendChild(newnode);

}