function changeLang(oOption, oActLang)
{
	var oString		=	window.location.href; 						//the actual location of the window
	//try to see if LANG param is on querystring
	var q			=	String (document.location).split ('?')[1];// parse current url into an array with the keys/values
	//alert("1"+q);
	if(q){
	q = q.replace("&LANG="+oActLang, "").replace("LANG="+oActLang, "");
	//alert("2"+q);
	}
	if(!q){
		q="";
		window.location	=	'?LANG='	+	oOption; // go go go :D
	}
	else{
		
		
		window.location	=	'?' + q + '&LANG=' + oOption; // go go go :D
	}
}