function applyZ() {
	var zi = 1000;
	var grp = document.getElementById("menu").getElementsByTagName("li");
	for(x=0;x<grp.length;x++)
	{
		grp[x].style.zIndex = zi;
		zi = zi-1;
	}
}

function toggle_image(id) {
	for(x=0;x<staff.length;x++)
	{
		if(staff[x] != id)
		{
			if(document.getElementById(staff[x]).style.display == 'none')
				document.getElementById(staff[x]).style.display = 'block';
			else
				document.getElementById(staff[x]).style.display = 'none';
		}
	}
}

function toggle_contact(id) {
	for(x=0;x<staff_details.length;x++)
	{
		if(staff_details[x] != id)
		{
			if(document.getElementById(staff_details[x]).style.display == 'none')
				document.getElementById(staff_details[x]).style.display = 'block';
			else
				document.getElementById(staff_details[x]).style.display = 'none';
		}
	}
}