// JavaScript Document
var currentID = 0;
var arrItems = Array();

window.onload = function(){
	for(var i = 0; document.getElementById("item" + i); i++){
		arrItems[i] = false;
	}
}

function swapItem(id){
	if(id != currentID){
		if(arrItems[currentID] == true){
			swapToggle("btn" + currentID);
			displayItem("item" + currentID);
			arrItems[currentID] = false;
		}
		currentID = id;
	}
	swapToggle("btn" + id);
	displayItem("item" + id);
	if(arrItems[id] == true){
		arrItems[id] = false;
	}else{
		arrItems[id] = true;
	}
};

function swapToggle(id){
	if(document.getElementById(id)){
		if(document.getElementById(id).src.indexOf("off") != -1){
			document.getElementById(id).src = "images/btn_toggle_on.gif";
		}else{
			document.getElementById(id).src = "images/btn_toggle_off.gif";
		}
	}
};

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;