// Load scripts after page loads

function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof (window.onload) != 'function') {
		window.onload = func;
	} else {
        window.onload = function() {
        	if (oldonload) {
                	oldonload();
               	}
			func();
		}
	}
}

addLoadEvent(breadCrumb);
addLoadEvent(navBullet);

// Highlight Blue Side Nav with Bullet
function navBullet() {
	if (!document.getElementsByTagName) return false;
	if (!document.getElementById) return false;
	if (!document.getElementById("subnav")) return false;
	var nav = document.getElementById("subnav");
	var links = nav.getElementsByTagName("a");
	for (var i=0; i<links.length; i++) {
		var linkurl = links[i].getAttribute("href").toLowerCase();
		var currenturl = window.location.href.toLowerCase();
		if (currenturl.indexOf(linkurl) != -1) {
			links[i].parentNode.className = "subnav-current";
		}	
	}
}

// Highlight Page Breadcrumb Current Page
function breadCrumb() {
	if (!document.getElementsByTagName) return false;
	if (!document.getElementById) return false;
	if (!document.getElementById("breadcrumb")) return false;
	var nav = document.getElementById("breadcrumb");
	var links = nav.getElementsByTagName("a");
	
	for (var i=0; i<links.length; i++) {
		var linkurl = links[i].getAttribute("href").toLowerCase();
		var currenturl = window.location.href.toLowerCase();
		if (currenturl.indexOf(linkurl) != -1) {
			links[i].parentNode.className = "currentLI";
		}	
	}
}

// Form Checkbox Show/Hide

function showHide(id){
	el = document.getElementById(id);
		if(el.style.display != 'block'){
			el.style.display = 'block';
		}
		else
		{
			el.style.display = 'none';
			var elems = el.getElementsByTagName("input");
		for
		(
		 	var i=0;i<elems.length;i++){
			elems[i].removeAttribute("checked");
		}
	}
}

// launch link in new window if rel='external'

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"; 
 } 
} 
addLoadEvent(externalLinks);