function setStyle(x)
{
	document.getElementById(x).style.background="#c5dcea";
}
function resetStyle(x)
{
	document.getElementById(x).style.background="#FFFFFF";
}

function navBg(def)
{
if(def==6)
{
   eval(document.nav_bar.src = "images/navigation/bg_active_6.png");
}
else if(def==5)
{
   eval(document.nav_bar.src = "images/navigation/bg_active_5.png");
}
else if(def==4)
{
   eval(document.nav_bar.src = "images/navigation/bg_active_4.png");
}
else if(def==3)
{
   eval(document.nav_bar.src = "images/navigation/bg_active_3.png");
}
else if(def==2)
{
   eval(document.nav_bar.src = "images/navigation/bg_active_2.png");
}
else if(def==1)
{
   eval(document.nav_bar.src = "images/navigation/bg_active_1.png");
}
else
{
   eval(document.nav_bar.src = "images/navigation/bg_active_1.png");
}
}