// PHP Layers Menu 1.0.7 (c) 2001, 2002 Marco Pratesi <[email protected]>
DOM = (document.getElementById) ? 1 : 0;
NS4 = (document.layers) ? 1 : 0;
IE4 = (document.all) ? 1 : 0;
var loaded = 0; // to avoid stupid errors of Microsoft browsers
Konqueror = (navigator.userAgent.indexOf("Konqueror") > -1) ? 1 : 0;
// We need to explicitly detect Konqueror
// because Konqueror 3 sets IE4 = 1 ... AAAAAAAAAARGHHH!!!
Opera5 = (navigator.userAgent.indexOf("Opera 5") > -1 || navigator.userAgent.indexOf("Opera/5") > -1 || navigator.userAgent.indexOf("Opera 6") > -1 || navigator.userAgent.indexOf("Opera/6") > -1) ? 1 : 0;
// it works with NS4, Mozilla, NS6, Opera 5 and 6, IE
currentY = -1;
function grabMouse(e) {
if ((DOM && !IE4) || Opera5) {
currentY = e.clientY;
} else if (NS4) {
currentY = e.pageY;
} else {
currentY = event.y;
}
if (DOM && !IE4 && !Opera5 && !Konqueror) {
currentY += window.pageYOffset;
} else if (IE4 && DOM && !Opera5 && !Konqueror) {
currentY += document.body.scrollTop;
}
}
if ((DOM || NS4) && !IE4) {
document.captureEvents(Event.MOUSEDOWN | Event.MOUSEMOVE);
}
document.onmousemove = grabMouse;
function popUp(menuName,on) {
if (loaded) { // to avoid stupid errors of Microsoft browsers
if (on) {
// moveLayers();
if (DOM) {
document.getElementById(menuName).style.visibility = "visible";
document.getElementById(menuName).style.zIndex = 1000;
} else if (NS4) {
document.layers[menuName].visibility = "show";
document.layers[menuName].zIndex = 1000;
} else {
document.all[menuName].style.visibility = "visible";
document.all[menuName].style.zIndex = 1000;
}
} else {
if (DOM) {
document.getElementById(menuName).style.visibility = "hidden";
} else if (NS4) {
document.layers[menuName].visibility = "hide";
} else {
document.all[menuName].style.visibility = "hidden";
}
}
}
}
function setleft(layer,x) {
if (DOM) {
document.getElementById(layer).style.left = x;
document.getElementById(layer).style.left = x + 'px';
} else if (NS4) {
document.layers[layer].left = x;
} else {
document.all[layer].style.pixelLeft = x;
}
}
function settop(layer,y) {
if (DOM) {
document.getElementById(layer).style.top = y;
document.getElementById(layer).style.top = y + 'px';
} else if (NS4) {
document.layers[layer].top = y;
} else {
document.all[layer].style.pixelTop = y;
}
}
function setwidth(layer,w) {
if (DOM) {
document.getElementById(layer).style.width = w;
document.getElementById(layer).style.width = w + 'px';
} else if (NS4) {
// document.layers[layer].width = w;
} else {
document.all[layer].style.pixelWidth = w;
}
}
function moveLayerY(menuName, ordinata, e) {
if (loaded) {
// to avoid stupid errors of Microsoft browsers
//alert (ordinata);
// Konqueror: ordinata = -1 according to the initialization currentY = -1
// Opera: isNaN(ordinata), currentY is NaN, it seems that Opera ignores the initialization currentY = -1
if (ordinata != -1 && !isNaN(ordinata)) { // The browser has detected the mouse position
if (DOM) {
// attenzione a "px" !!!
if (e && e.clientY) { // just use the pos of the mouseOver event if we have it
document.getElementById(menuName).style.top = e.clientY + 'px';
} else {
appoggio = parseInt(document.getElementById(menuName).style.top);
if (isNaN(appoggio)) appoggio = 0;
if (Math.abs(appoggio + ordinata_margin - ordinata) > thresholdY)
document.getElementById(menuName).style.top = (ordinata - ordinata_margin) + 'px';
}
} else if (NS4) {
if (Math.abs(document.layers[menuName].top + ordinata_margin - ordinata) > thresholdY)
document.layers[menuName].top = ordinata - ordinata_margin;
} else {
if (Math.abs(document.all[menuName].style.pixelTop + ordinata_margin - ordinata) > thresholdY)
document.all[menuName].style.pixelTop = ordinata - ordinata_margin;
}
}
}
}
