var totalMenuItems = 9;

function hideDivider(iMenuItem){
	if(document.getElementById){
		if(iMenuItem==1){
			nextDivider = iMenuItem+1;
			document.getElementById('menu-item'+nextDivider).style.visibility = "hidden";
		} else if (iMenuItem==totalMenuItems){
			prevDivider = iMenuItem-1;
			document.getElementById('menu-item'+prevDivider).style.visibility = "hidden";
		} else {
			nextDivider = iMenuItem+1;
			document.getElementById('menu-item'+nextDivider).style.visibility = "hidden";
			prevDivider = iMenuItem-1;
			document.getElementById('menu-item'+prevDivider).style.visibility = "hidden";
		}
	}
}

function showDivider(iMenuItem){
	if(document.getElementById){
		if(iMenuItem==1){
			nextDivider = iMenuItem+1;
			document.getElementById('menu-item'+nextDivider).style.visibility = "visible";
		} else if (iMenuItem==totalMenuItems){
			prevDivider = iMenuItem-1;
			document.getElementById('menu-item'+prevDivider).style.visibility = "visible";
		} else {
			nextDivider = iMenuItem+1;
			document.getElementById('menu-item'+nextDivider).style.visibility = "visible";
			prevDivider = iMenuItem-1;
			document.getElementById('menu-item'+prevDivider).style.visibility = "visible";
		}
	}
}