var navRoot;
initNav = function() {
	_tt1 = document.getElementById("tt1")
	navRoot = document.getElementsByTagName("div");
	for (var j = 0; j < navRoot.length; j++) {
		if (navRoot[j].className.indexOf('tooltip') != -1)
		{
			navRoot[j].onmouseover = function()
			{
				
				this.className += " hover";
				hideSelectBoxes(this.getElementsByTagName('div')[0]);
			}
			navRoot[j].onmouseout = function()
			{
				this.className = this.className.replace("hover", "");
				showSelectBoxes(_tt1);
			}
		}
	}
}
if (window.addEventListener)
	window.addEventListener("load", initNav, false);
else if (window.attachEvent)
	window.attachEvent("onload", initNav);