function sendGenericTweet()
{
	//popupWin = window.open('http://twitter.com/home?status=Κειμενο για γενικο share TW', 'open_window');
	popup('http://twitter.com/home?status=Μπες κι εσύ στο πιο συναρπαστικό, interactive κύμα και κέρδισε 10 i-phones. www.activewave.gr', 400, 300);
}

function sendPersonalTweet(url)
{
	//popupWin = window.open(url, 'open_window');
	popup(url, 400, 300);
}

function likeVideo(url)
{
	//popupWin = window.open(url, "open_window", "alwaysRaised=yes, menubar=no, location=no,status=no,scrollbars=1,width=400,height=300");
	popup(url, 300, 200);
}

function popup(url, w, h){
	var width  = w;
 	var height = h;
 	var left   = (screen.width  - width)/2;
	var top    = (screen.height - height)/2;
 	var params = 'width='+width+', height='+height;
 	params += ', top='+top+', left='+left;
 	params += ', directories=no';
 	params += ', location=no';
 	params += ', menubar=no';
 	params += ', resizable=yes';
 	params += ', scrollbars=no';
 	params += ', status=no';
 	params += ', toolbar=no';
 	newwin=window.open(url,'windowname5', params);
 	if (window.focus) {newwin.focus()}
 	return false;
}