var lp=new Array(0, 0,100,300,400,500);
bt=false;
ms=0;

function showMenu(mn) {
hideMenu();
ie=(navigator.appName=='Microsoft Internet Explorer')?1:1;
ww=(ie)?document.body.clientWidth:window.innerWidth;
eval("mistyle=m"+mn+".style");
mi=(ie)?mistyle:((navigator.appName=='Netscape' && ver>=5)?document.getElementById("m"+mi).style:document.layers["m"+mn]);
mi.visibility = "visible";
mi.top = 119
mi.left = (ww-880)/2+lp[mn];
ms=mn;
bt=true;
tm=setTimeout("hideMenu()",5000);
}

function hideMenu() {
if (bt) clearTimeout(tm);
bt=false;
if (ms!=0) {
eval("mistyle=m"+ms+".style");
mi=(ie)?mistyle:((navigator.appName=='Netscape' && ver>=5)?document.getElementById("m"+ms).style:document.layers["m"+ms]);
mi.visibility = "hidden";
}
}