// JavaScript Document

function home() {
	window.location= "index.html";
}

function makehomeLink() {
	
	if (document.getElementById('headerPatient')) {
		var oldDiv = document.getElementById('headerPatient');
		document.getElementById('headerPatient').zIndex = 1;
		var mainZee = document.getElementById('headerPatient').zIndex;
	}
	if (document.getElementById('headerClinician')) {
		var oldDiv = document.getElementById('headerClinician');
		document.getElementById('headerClinician').zIndex = 1;
		var mainZee = document.getElementById('headerClinician').zIndex;
	}
	if (document.getElementById('headerOncology')) {
		var oldDiv = document.getElementById('headerOncology');
		document.getElementById('headerOncology').zIndex = 1;
		var mainZee = document.getElementById('headerOncology').zIndex;
	}
	if (document.getElementById('headerImaging')) {
		var oldDiv = document.getElementById('headerImaging');
		document.getElementById('headerImaging').zIndex = 1;
		var mainZee = document.getElementById('headerImaging').zIndex;
	}
	if (document.getElementById('headerImplantation')) {
		var oldDiv = document.getElementById('headerImplantation');
		document.getElementById('headerImplantation').zIndex = 1;
		var mainZee = document.getElementById('headerImplantation').zIndex;
	}
	
	var lastPara = oldDiv.getElementsByTagName('div')[0];
	var newDiv = document.createElement('div');
	
	
	newDiv.style.zIndex = mainZee * 10;
	oldDiv.insertBefore(newDiv,lastPara);
	newDiv.setAttribute("class", "homelink");
	newDiv.setAttribute("onclick", "home();return false;");
}

function init() {
	// quit if this function has already been called
    if (arguments.callee.done) return;
	// flag this function so we don't do the same thing twice
    arguments.callee.done = true;
	// do stuff
	makehomeLink();
}

window.onload = init;