function subMenuTextOff() {
	if (window.event.srcElement.className == "nav-link-on") {
	  window.event.srcElement.className = "nav-link";
	}
	if (window.event.srcElement.className == "nav-sub-link-on") {
	  window.event.srcElement.className = "nav-sub-link";
	}
   
}	
function subMenuTextOn() {
	if (window.event.srcElement.className == "nav-link") {
	  window.event.srcElement.className = "nav-link-on";
	}
	if (window.event.srcElement.className == "nav-sub-link") {
	  window.event.srcElement.className = "nav-sub-link-on";
	}
	
}