// JScript File
if(window.addEventListener){ // Mozilla, Netscape, Firefox
		window.addEventListener('load', preloadImages, false);
} else { // IE
		window.attachEvent('onload', preloadImages);
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
var i = 0;
	if (preloadImages.arguments.length>0) i = preloadImages.arguments[0];
	if (document.images) {		
		preloadFlag = true;
	}
}

function CheckItem(ctrlimage, ctrlitem){ 
  if (ctrlitem.checked) {
    ctrlimage.src = "immagini/no_check.gif";
    ctrlitem.checked = false;
  }else {
    ctrlimage.src = "immagini/check_on.gif";
    ctrlitem.checked = true;
  }  
  return true; 
}