// JavaScript Document


function init(){
copyprop=document.getElementById("copy").offsetHeight;
navpropheight=copyprop;
document.getElementById("navprop").style.height=navpropheight + "px";
findAccessKeys();
externalLinks();
}

function findAccessKeys() { 
var fieldspecs = document.getElementsByTagName("a"); 
 for (var i=0; i<fieldspecs.length; i++) { 
  var fieldspec = fieldspecs[i]; 
  if (fieldspec.getAttribute("accesskey")) {
     highlightAccessKey(fieldspec, fieldspec.getAttribute("accesskey"));
   }
 }
} 
function highlightAccessKey(e, accessKey) {
    if (e.hasChildNodes()) {
        var childNode, txt;
        //find the first text node that contains the access character
        for (var i = 0; i < e.childNodes.length; i++) {
            txt = e.childNodes[i].nodeValue;
            if (e.childNodes[i].nodeType == 3 &&
                txt.toLowerCase().indexOf(accessKey.toLowerCase()) != -1) {
            
                childNode = e.childNodes[i];
                break;
            }
        }
        
        if (!childNode) {
            //access character was not found
            return;
        }

        var pos = txt.toLowerCase().indexOf(accessKey.toLowerCase());
        var span = document.createElement('span');
        var spanText = document.createTextNode(txt.substr(pos, 1));
        span.className = 'accesskey';
        span.appendChild(spanText);

        //the text before the access key
        var text1 = document.createTextNode(txt.substr(0, pos));
        //the text after the access key
        var text2 = document.createTextNode(txt.substr(pos + 1));
        
        if (text1.length > 0) e.insertBefore(text1, childNode);
        e.insertBefore(span, childNode);
        if (text2.length > 0) e.insertBefore(text2, childNode);

        e.removeChild(childNode);
    }
}


function externalLinks() { 
 if (!document.getElementsByTagName) return;
  if (document.getElementById("newwindowlinks")){
   document.getElementById("newwindowlinks").style.display="inline"; 
  }
  if (document.getElementById("newwindowlinks1")){
   document.getElementById("newwindowlinks1").style.display="inline"; 
  }  
 var fieldspecs = document.getElementsByTagName("a"); 
 for (var i=0; i<fieldspecs.length; i++) { 
   var fieldspec = fieldspecs[i]; 
   if (fieldspec.getAttribute("href") && 
       fieldspec.getAttribute("rel") == "external") 
       fieldspec.target = "_blank"; 
 } 
}
function externalLinksOff() { 
 if (!document.getElementsByTagName) return;
  if (document.getElementById("newwindowlinks")){
   document.getElementById("newwindowlinks").style.display="none"; 
  }
  if (document.getElementById("newwindowlinks1")){
   document.getElementById("newwindowlinks1").style.display="none"; 
  }  
 var fieldspecs = document.getElementsByTagName("a"); 
 for (var i=0; i<fieldspecs.length; i++) { 
   var fieldspec = fieldspecs[i]; 
   if (fieldspec.getAttribute("href") && 
       fieldspec.getAttribute("rel") == "external") 
       fieldspec.target = "_self"; 
 }
 var images = document.getElementsByTagName("img");
 for (var i=0; i<images.length; i++) { 
   var image = images[i];
   var len = image.getAttribute("src").length;
   var firstchar = image.getAttribute("src").lastIndexOf("/") + 1;
   var filename = image.getAttribute("src").substring(firstchar,len);
   if (filename == "newwin2.gif")
     image.style.display = "none";
    
 }  
}