// Script to write the navigation

// Set up variables to parse the directory location of the file.  The directory is used to 
// determine if a variable is on or off.
var currLocation=self.location.href;
var theURL=currLocation.split("/");

var size=theURL.length;
var thePage=theURL[size-1];
var theDirectory=theURL[size-2];

thePage=thePage.split(".")[0];

var theDir=theURL[size-2];
var dirFlag; 
var pageFlag;
var dirValue;


// Define string for separator bullet
var square = '<img border="0" src="/images/square_grey.gif" width="6" height="6" vspace="4">';
var emptyrow = '<tr><td height="10"><img src="/images/shim.gif" width="1" height="10"></td></tr>'

function writeLeftNav(areaArray, myNav)
{
var imgurl= "";
var theTitle=document.title.split(" - ");

for (var j=0; j< areaArray.length; j++) {

   // Found the page, now figure out whether it's a graphic, main item or sub item 
   // Graphic   - display the graphic
   // Main Item - Use the style navboldon  (listed first because it's the most common case)
   // sub item  - use the style nav
   // In all cases, the page will not have a link

   if (thePage == areaArray[j]) {
      if (myNav[j].type == "main") {
         document.writeln(emptyrow+'<tr><td colspan=2 width="145"><span class="navboldon">'+myNav[j].title+'</span></td></tr>');
      }
      else {
         if (myNav[j].type == "graphic") {
            document.writeln('<tr><td colspan=2 width="145"><img src="'+myNav[j].on+'"'+' border="0" '+'width="'+myNav[j].width+'" height="'+myNav[j].height+'" name="'+myNav[j].name+'" alt="'+myNav[j].title+'">'+'</td></tr>'); 
         }
         else 
            document.writeln('<tr><td width="10" valign="top">'+square+'</td><td width="140"><span class="navon">'+myNav[j].title+'</span></td></tr>');
      }
   }
   else {
      if (myNav[j].type == "main") { 
         document.writeln(emptyrow+'<tr><td colspan=2 width="145"><a class="navbold" href="'+myNav[j].url+'">'+myNav[j].title+'</a></td></tr>');
      }
      else {
         if (myNav[j].type == "graphic") {
           // document.write('<tr><td colspan=2 width="145"><a href="'+myNav[j].url+'" onMouseOver='+'"swapImage(document.'+myNav[j].name+",'"+myNav[j].on+"')"+'" onMouseOut='+'"swapImage(document.'+myNav[j].name+",'"+myNav[j].off+"')"+'">');
            document.write('<tr><td colspan=2 width="145"><a href="'+myNav[j].url+'">');
            imgurl = '<img src="'+myNav[j].off+'"'+' border="0" '+'width="'+myNav[j].width+'" height="'+myNav[j].height+'" name="'+myNav[j].name+'" alt="'+myNav[j].title+'">';
            document.write(imgurl+"</a></td></tr>");
         }
         else
            document.writeln('<tr><td width="10" valign="top">'+square+'</td><td width="140"><a class="nav" href="'+myNav[j].url+'">'+myNav[j].title+'</a></td></tr>');
      }
   }
  
}

}  // end writeNewsNav