function changeLanguage( lang ){
			var loc = window.location.toString().replace('#','');
			var getParams = loc.split('?');
			var params = '';
			if(getParams.length>1) params += getParams[1].replace('lang=en','').replace('lang=de','').replace('lang=sl','').replace('lang=hu','').replace('lang=ro','');
			if(params!='' && params.substring(0,1)!='&') params = '&'+params;
			window.location=getParams[0]+'?lang='+lang+params;
		}