QWebView: apply an external javascript when a page loads

[jiveaxe]

Hi,
can anybody help me to solve this problem? I would like to apply a javascript on a web page while is loading so that the final webpage is a modified version of the remote one. The script to apply is:

(function () {
	dl=document.links;
	for(i=0;i<dl.length;++i){
		if(dl[i].href.substr(-4)==".pdf"){
			dl[i].href="http://docs.google.com/viewer?url="+dl[i].href;
		}
	}
})();

(function () {
	dl=document.links;
	for(i=0;i<dl.length;++i){
		if(dl[i].href.substr(-4)==".pdf"){
			dl[i].href="http://docs.google.com/viewer?url="+dl[i].href;
		}
	}
})();

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I have seen that QWebFrame has evaluateJavaScript but I don't know how to use it (if it's the right way!)

Any tips?

Best regards