function tabColor(td){
if(document.getElementById){
document.getElementById('red').style.backgroundColor='#500000';
document.getElementById('green').style.backgroundColor='#002000';
document.getElementById('blue').style.backgroundColor='#000040';
document.getElementById('black').style.backgroundColor='#000000';
}
}

function redTab(){
	document.getElementById('red').style.backgroundColor='#700000';
	document.getElementById('red').style.cursor='pointer';}

function greenTab(){document.getElementById('green').style.backgroundColor='#004000';
	document.getElementById('green').style.cursor='pointer';}

function blueTab(){document.getElementById('blue').style.backgroundColor='#000060';
	document.getElementById('blue').style.cursor='pointer';}

function blackTab(){document.getElementById('black').style.backgroundColor='#081317';
	document.getElementById('black').style.cursor='pointer';}


// black background is 000000 and red background is 500000 when active