var navDef, styleSwitch
if (navigator.appName.charAt(0)=="M")
{

navDef="all";
styleSwitch="style.";
}

else
{

navDef="layers";
styleSwitch="";
}

// Lager 1
function Over_1() 
	{
eval('document.'+navDef+'.lager1.'+styleSwitch+'visibility="visible"');	
	}

function Out_1() 
{
eval('document.'+navDef+'.lager1.'+styleSwitch+'visibility="hidden"');
}

// Lager 2
function Over_2() 
	{
eval('document.'+navDef+'.lager2.'+styleSwitch+'visibility="visible"');	
	}

function Out_2() 
{
eval('document.'+navDef+'.lager2.'+styleSwitch+'visibility="hidden"');
}

// Lager 3
function Over_3() 
	{
eval('document.'+navDef+'.lager3.'+styleSwitch+'visibility="visible"');	
	}

function Out_3() 
{
eval('document.'+navDef+'.lager3.'+styleSwitch+'visibility="hidden"');
}

// Lager 4
function Over_4() 
	{
eval('document.'+navDef+'.lager4.'+styleSwitch+'visibility="visible"');	
	}

function Out_4() 
{
eval('document.'+navDef+'.lager4.'+styleSwitch+'visibility="hidden"');
}

// Lager 5
function Over_5() 
	{
eval('document.'+navDef+'.lager5.'+styleSwitch+'visibility="visible"');	
	}

function Out_5() 
{
eval('document.'+navDef+'.lager5.'+styleSwitch+'visibility="hidden"');
}