// open a new window
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";
}
}
window.onload=externalLinks;



function openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}


/* sidemenu
---------------------------------------------------------*/
function chgTree(target) {
	trMenu = document.getElementById(target).style;
	if(trMenu.display == "none") {
		trMenu.display = "block";
	}else{
		trMenu.display = "none";
	}
}