function CambiaIMG(IDINTERVENTO,NUMERO_SPAN,NUOVA_IMG,IMG_DEFAULT){
	document.getElementById(IMG_DEFAULT).src = "../_manage/upload/Bike_Scouts_InterventiBlog/" + NUOVA_IMG;
	//RESET TUTTI GLI SPAN A DEFAULT
	for (var x = 1; x <= 4; x++){
		Nome_Span = "SPAN_IMG_" + IDINTERVENTO + "_" + x;	
		document.getElementById(Nome_Span).className = "path";		
   }
	//SETTO SPAN CORRENTE
	Nome_Span = "SPAN_IMG_" + NUMERO_SPAN;
	document.getElementById(Nome_Span).className = "sel";
	}