setSide = function(num) {
	document.getElementById("top"+num).src = "/images/left_nav/left_nav_tab_top.gif";
	document.getElementById("bot"+num).src = "/images/left_nav/left_nav_tab_bott.gif";
	document.getElementById("box"+num).style.background = "#fff";
}

clearSide = function(num) {
	document.getElementById("top"+num).src = "/images/shared/pixel.gif";
	document.getElementById("bot"+num).src = "/images/shared/pixel.gif";
	document.getElementById("box"+num).style.background = "#e9e9e9";
}