function ApriDescrizione(id) {
	var browser = navigator.appName;
	if(browser == "Microsoft Internet Explorer"){
		document.getElementById(id).style.filter="alpha(opacity=85)";
	
		if(document.body.offsetWidth > 800)
			spazio = (document.body.offsetWidth - 800)/2;
		else
			spazio = 10;
			
		var l = document.getElementById("id_l_pagina").value;
		var temp = (l - 800)/2;	
		document.getElementById(id).style.left = event.clientX - 110 + temp - spazio + document.body.scrollLeft;
		document.getElementById(id).style.top = event.clientY + document.body.scrollTop - 100 ;
		document.getElementById(id).style.display = 'block';
	}else{
		document.getElementById(id).style.MozOpacity=0.8;
		document.getElementById(id).style.display = 'block';
		document.getElementById(id).style.left = xMousePos + 20;
		document.getElementById(id).style.top = yMousePos + 20;
	}
}

function ApriDescrizione2(id,testo) {
	var browser = navigator.appName;
	if(browser == "Microsoft Internet Explorer"){
		//document.getElementById(id).style.filter="alpha(opacity=85)";
		document.getElementById(id).innerHTML = testo;
		document.getElementById(id).style.display = 'block';
		document.getElementById(id).style.left = document.getElementById(id).style.left - 210;
	}else{
		//document.getElementById(id).style.MozOpacity=0.8;
		document.getElementById(id).innerHTML = testo;
		document.getElementById(id).style.display = 'block';
		//document.getElementById(id).style.top = document.getElementById(id).style.top - 50;
		document.getElementById(id).style.left = document.getElementById(id).style.left - 210;
	}
}

function ChiudiDescrizione(id) {
	var browser = navigator.appName;
	if(browser == "Microsoft Internet Explorer"){
		document.getElementById(id).style.display = 'none';
	}
	else{
		document.getElementById(id).style.display = 'none';
	}
}

if (document.layers) { // Netscape
    document.captureEvents(Event.MOUSEMOVE);
    document.onmousemove = captureMousePosition;
} else if (document.all) { // Internet Explorer
    document.onmousemove = captureMousePosition;
} else if (document.getElementById) { // Netcsape 6
    document.onmousemove = captureMousePosition;
}
// Global variables
xMousePos = 0; // Horizontal position of the mouse on the screen
yMousePos = 0; // Vertical position of the mouse on the screen
xMousePosMax = 0; // Width of the page
yMousePosMax = 0; // Height of the page

function captureMousePosition(e) {
    if (document.layers) {
        xMousePos = e.pageX;
        yMousePos = e.pageY;
        xMousePosMax = window.innerWidth+window.pageXOffset;
        yMousePosMax = window.innerHeight+window.pageYOffset;
    } else if (document.all) {
        xMousePos = window.event.x+document.body.scrollLeft;
        yMousePos = window.event.y+document.body.scrollTop;
        xMousePosMax = document.body.clientWidth+document.body.scrollLeft;
        yMousePosMax = document.body.clientHeight+document.body.scrollTop;
    } else if (document.getElementById) {
        xMousePos = e.pageX;
        yMousePos = e.pageY;
        xMousePosMax = window.innerWidth+window.pageXOffset;
        yMousePosMax = window.innerHeight+window.pageYOffset;
    }
}