var m_strDrawerHTML = "";

function NavButton_Enter(strSource, strImage, strDescription){

    m_strDrawerHTML = document.getElementById("NavBar_divNavbarDrawerText").innerHTML

	document.images[strSource].src = strImage;
	document.images[strSource].alt = ""
	
	UpdateDrawer(strDescription);
	
}

function NavButton_Exit(strSource, strImage){

	document.images[strSource].src = strImage;
	
	UpdateDrawer(m_strDrawerHTML);
}

function UpdateDrawer(strDrawerText){

    document.getElementById("NavBar_divNavbarDrawerText").innerHTML = strDrawerText;

}