IE4 = (document.all) ? 1 : 0
NS4 = (document.layers) ? 1 : 0
NS6 = (document.getElementById) ? 1 : 0

//Open Windows
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
 
//Apri Glossario
function apriGloss() { /* GLOSSARIO */
  	window.open("../glossario/framegloss.htm","glossWindow"," height=472,width=600,top=0,left=0,status=yes,resizable=no,toolbar=no") 
}

// Rollover JavaScript functions relies on image replacement feature of JavaScript 1.1

function version() {
	var vs = navigator.appVersion
	var ndx = navigator.appVersion.lastIndexOf('(');
	if (ndx>=0) vs = vs.substring(0,ndx);
	return parseFloat(vs)
}

var iversion = version();

function rollon(imgName,imgFile,imgStatus) {
	if (3 <= iversion && imgName!='') {
        document[imgName].src = getBaseUrl(document[imgName].src)+imgFile+".gif";
        window.status=imgStatus;
    }
}

function rolloff(imgName,imgFile) {
	if (3 <= iversion && imgName!='') {
        document[imgName].src = getBaseUrl(document[imgName].src)+imgFile+".gif";
        window.status=defaultStatus;
    }
}

function getBaseUrl(imgSrc) {
	var ndx = imgSrc.lastIndexOf('/');
	if (ndx>=0) return imgSrc.substring(0,ndx+1);
	else return '';
}