function activateNav(navID){
	document.getElementById(navID).className = "active"
}

function makeVisible(thisDiv){
	document.getElementById(thisDiv).style.display = "inline";
}
function makeInvisible(thisDiv){
	document.getElementById(thisDiv).style.display = "none";
}

function doPopup(URL,w,h){
	thisWindow = window.open(URL, "popWin", "toolbar=1, scrollbars=1, location=0, statusbar=0, menubar=0, resizable=1, width=" + w + ", height= " + h);
}