function tOVER(t){
if(document.getElementById||(document.all && !(document.getElementById)))
{
t.style.backgroundColor="#FFFFFF"; // Switches main menu buttons
}
}
function tOVERA(t){
if(document.getElementById||(document.all && !(document.getElementById)))
{
t.style.backgroundColor="#8899AA"; //switches highlightened buttons
}
}
function tOVERB(t){
if(document.getElementById||(document.all && !(document.getElementById)))
{
t.style.backgroundColor="#DDEEFF"; //switch classes indent_j / k
}
}
function tOVERC(t){
if(document.getElementById||(document.all && !(document.getElementById)))
{
t.style.backgroundColor="#CC0000"; //switch classes indent_j / k
}
}
// Testfunktion
function tOVER_lm(t){
if(document.getElementById||(document.all && !(document.getElementById)))
{
t.style.backgroundColor="#CC0000";
t.style.color="#FFFFFF"; 
t.style.fontWeight="bold"; //switch classes indent_l / m
}
}
function tOUT(t){
if(document.getElementById||(document.all && !(document.getElementById)))
{
t.style.backgroundColor=""; // einzig nötige Out-Function
t.style.color=""; 
t.style.fontWeight="";
}
}