function changeLang(oOption, oActLang)
{
	var oString		=	window.location.href; 						//the actual location of the window
	//var querystring	= String (document.location).split ('?')[0];								//this will be the new querystring
	//var langExists	=	false;										//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
	if(!q){
		q="";
		window.location	=	'?LANG='	+	oOption; // go go go :D
	}
	else{
		var newq = q.replace('&LANG='+oActLang+'', "");
		//alert(newq);
		window.location	=	'?' + newq + '&LANG=' + oOption; // go go go :D
	}
}