var ident;
function ShowMenu(num) {
	StopTimer();
	HideMenus();
	if (num==0) document.getElementById('menu0').style.visibility = 'visible';
	if (num==1) document.getElementById('menu1').style.visibility = 'visible';
	if (num==2) document.getElementById('menu2').style.visibility = 'visible';
	if (num==3) document.getElementById('menu3').style.visibility = 'visible';
	if (num==4) { document.getElementById('menu4').style.visibility = 'visible'; document.getElementById('menu4').style.top = findPosY('plus4'); }
	if (num==5) { document.getElementById('menu5').style.visibility = 'visible'; document.getElementById('menu5').style.top = findPosY('plus5'); }	
	if (num==6) { document.getElementById('menu6').style.visibility = 'visible'; document.getElementById('menu6').style.top = findPosY('plus6'); }	
	if (num==7) { document.getElementById('menu7').style.visibility = 'visible'; document.getElementById('menu7').style.top = findPosY('plus7'); }
	if (num==8) { document.getElementById('menu8').style.visibility = 'visible'; document.getElementById('menu8').style.top = findPosY('plus8'); }
	if (num==9) { document.getElementById('menu9').style.visibility = 'visible'; document.getElementById('menu9').style.top = findPosY('plus9'); }
	if (num==10) document.getElementById('menu10').style.visibility = 'visible';
	if (num==11) { document.getElementById('menu11').style.visibility = 'visible'; document.getElementById('menu11').style.top = findPosY('plus11'); }
	if (num==12) { document.getElementById('menu12').style.visibility = 'visible'; document.getElementById('menu12').style.top = findPosY('plus12'); }
	if (num==13) { document.getElementById('menu13').style.visibility = 'visible'; document.getElementById('menu13').style.top = findPosY('plus13'); }
	if (num==15) { document.getElementById('menu15').style.visibility = 'visible'; document.getElementById('menu15').style.top = findPosY('plus15'); }
}
function HideMenus() {
	document.getElementById('menu0').style.visibility = 'hidden';
	document.getElementById('menu1').style.visibility = 'hidden';
	document.getElementById('menu2').style.visibility = 'hidden';
	document.getElementById('menu3').style.visibility = 'hidden';	
	document.getElementById('menu4').style.visibility = 'hidden';
	document.getElementById('menu5').style.visibility = 'hidden';
	document.getElementById('menu6').style.visibility = 'hidden';
	document.getElementById('menu7').style.visibility = 'hidden';	
	document.getElementById('menu8').style.visibility = 'hidden';
	document.getElementById('menu9').style.visibility = 'hidden';
	document.getElementById('menu10').style.visibility = 'hidden';
	document.getElementById('menu11').style.visibility = 'hidden';	
	document.getElementById('menu12').style.visibility = 'hidden';
	document.getElementById('menu13').style.visibility = 'hidden';
	document.getElementById('menu15').style.visibility = 'hidden';		
}
function StartTimer() {
	ident=window.setTimeout("HideMenus()",500);
}
function StopTimer() {
	window.clearTimeout(ident);
}

function findPosY(objName) {
	eval("obj = document.getElementById('" + objName + "')");
    var curtop = 0;
    if(obj.offsetParent)
        while(1){
          curtop += obj.offsetTop;
          if(!obj.offsetParent) break;
          obj = obj.offsetParent;
        }
    else if(obj.y) curtop += obj.y;
	curtop = curtop -1;
    return curtop;
}