function stripeTable(t) {
	var i, odd = true;
	for (i=0; i<t.rows.length; i++) {
		t.rows[i].className += odd ? ' odd' : ' even';
		odd = !odd;
	}
}
function stripeTableById(id) {
	var t = document.getElementById(id);
	if (t) stripeTable(t);
}

function stripeAllTables() {
	var t = document.getElementsByTagName('TABLE');
	for (var i=0; i<t.length; i++) stripeTable(t[i])
}

function externalLinks() {
	if (!document.getElementsByTagName) return; 
	var anchors = document.getElementsByTagName("a"); 
	for (var i=0; i<anchors.length; i++) { 
		var anchor = anchors[i]; 
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") {
			anchor.target = "_blank";
		}
	} 
}
function f(id) {
	var el=document.getElementById(id)
	if (el.style.display=="none") {
		el.style.display="";
	}
	else {
		el.style.display="none";
	}
}