var selected = 'home';

function onMouseOverTab(tab)
{
	if(selected != tab)
	{		
		document.images[tab].src = "images/nav_dgray_"+tab+".gif";
	}//end if
}//end onMouseOverTab

function onMouseOutTab(tab)
{
	if(selected != tab)
	{
		document.images[tab].src = "images/nav_gray_"+tab+".gif";
	}//end if
}//end onMouseOutTab

function onLoadTab(tab)
{
	selected = tab;
	document.images[tab].src = "images/nav_blue_"+tab+".gif";
}//end onLoadTab