var IE6 = false, IE7 = false,
FIREFOX2 = false, FIREFOX = false,
NETSCAPE7 = false, NETSCAPE = false,
OPERA9 = false, OPERA = false,
AUTRE = false;
var strChUserAgent = navigator.userAgent;
var intSplitStart = strChUserAgent.indexOf("(",0);
var intSplitEnd = strChUserAgent.indexOf(")",0);
var strChStart = strChUserAgent.substring(0,intSplitStart);
var strChMid = strChUserAgent.substring(intSplitStart, intSplitEnd);
var strChEnd = strChUserAgent.substring(strChEnd);

if(strChMid.indexOf("MSIE 7") != -1)
IE7 = true;
else if(strChMid.indexOf("MSIE 6") != -1)
IE6 = true;
else if(strChEnd.indexOf("Firefox/2") != -1)
FIREFOX2 = true;
else if(strChEnd.indexOf("Firefox") != -1)
FIREFOX = true;
else if(strChEnd.indexOf("Netscape/7") != -1)
NETSCAPE7 = true;
else if(strChEnd.indexOf("Netscape") != -1)
NETSCAPE = true;
else if(strChStart.indexOf("Opera/9") != -1)
OPERA9 = true;
else if(strChStart.indexOf("Opera") != -1)
OPERA = true;
else
AUTRE = true;


function detectMouse(e){
    if(parseInt(navigator.appVersion) >=4){
        if(navigator.appName == 'Netscape'){
		document.getElementById("cadre").style.top = (e.pageY)+"px";
		document.getElementById("cadre").style.left =(e.pageX+20)+"px";            
        } else{		
			if (IE7 == true || IE6 == true) {
			coo_y = (window.event.clientY);
			coo_x = (window.event.clientX)+20;
			document.getElementById("cadre").style.top = (coo_y)+"px";
			document.getElementById("cadre").style.left =(coo_x)+"px";  
			} else {		
			document.getElementById("cadre").style.top = (window.event.y)+"px";
			document.getElementById("cadre").style.left =(window.event.x+20)+"px";           
	        }
		}
    }
}

function show_cadre(intitule) {
document.getElementById('cadre').style.visibility = "visible";
document.getElementById('cadre').innerHTML = intitule;
}

function cache_cadre() {
document.getElementById('cadre').style.visibility = "hidden";
document.getElementById('cadre').innerHTML = '';
}