function get_site_content(url) {
/*netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserAccess");
	user_pref("capability.policy.policynames", "v2f_test");
	user_pref("capability.policy.v2f_test.sites", "http://video2file.de http://www.video2file.de http://video2file");
	//user_pref("capability.policy.v2f_test.Window.open", "allAccess");//sameOrigin
	user_pref("capability.policy.v2f_test.http_request.open", "allAccess");
	user_pref("capability.policy.v2f_test.http_request.send", "allAccess");
*/
	
	var http_request = false;
	
	if (window.XMLHttpRequest) { // Mozilla, Safari, ...
		http_request = new XMLHttpRequest();
		if (http_request.overrideMimeType) {
			http_request.overrideMimeType('text/plain');
		}
	}
	else if (window.ActiveXObject) { // IE
		try {
			http_request = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e) {
			try {
				http_request = new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e) {}
		}
	}
	else {
		alert('Ajax nicht unterstützt.');
	}

	if (!http_request) {
		alert('Ajax nicht unterstützt.');
	}
	else {
		http_request.onreadystatechange = function(){
			//alert(http_request.status+' - '+http_request.readyState);
			if (http_request.readyState == 4) {
				if (http_request.status == 200) {
					/*try {
	                    if (!document.all && netscape.security.PrivilegeManager.enablePrivilege) {
	                        netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
	                    }
	                } catch(e) {
	                    alert("(Mozilla) - " + e);
	                }*/
					
					video2file(url,'',escape(http_request.responseText));
				}
				else /*if (http_request.status != 0)*/ {
					video2file(url,'','--');
				}
			}
		}
		
	    try {
	        if (!document.all && netscape.security.PrivilegeManager.enablePrivilege) {
	            netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
	        }
	    }
		catch (e) {
	        alert("(Mozilla) - " + e);
	    }
		
		url_request = url.match(/v\=([A-Za-z0-9\-\_]+)/);
		url_request = url_request[1];
		url_request = 'http://www.youtube.com/get_video_info?video_id='+url_request+'&el=embedded&ps=default&eurl=&hl=en_US';

		http_request.open('GET', url_request, true);
		//http_request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		http_request.send(null);
	}
}