/* Alter the external links on load */

window.onload = externalLinks;

//Modifies for Target=_blank functionality
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";
 }
}

//Showing and Hiding
function showByID(element){
    document.getElementById(element).style.display = 'block';
}

function hideByID(element){
    document.getElementById(element).style.display = 'none';
}

function toggleByID(element){
     if(document.getElementById(element).style.display != 'block') {
       document.getElementById(element).style.display = 'block';
     }
     else {
       document.getElementById(element).style.display = 'none';
     }
}