// JavaScript Document

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);


// TABLE STRIPING (alternating rows of colors)

// this function is needed to work around 
// a bug in IE related to element attributes
function hasClass(obj) {
 var result = false;
 if (obj.getAttributeNode("class") != null) {
     result = obj.getAttributeNode("class").value;
 }
 return result;
}   

function stripe(id) {

// the flag we'll use to keep track of 
// whether the current row is odd or even
var even = false;

// if arguments are provided to specify the colours
// of the even & odd rows, then use the them;
// otherwise use the following defaults:
var evenColor = arguments[1] ? arguments[1] : "#d7d7d7";
var oddColor = arguments[2] ? arguments[2] : "#ebebeb";

// obtain a reference to the desired table
// if no such table exists, abort
var table = document.getElementById(id);
if (! table) { return; }

// by definition, tables can have more than one tbody
// element, so we'll have to get the list of child
// &lt;tbody&gt;s 
var tbodies = table.getElementsByTagName("tbody");

// and iterate through them...
for (var h = 0; h < tbodies.length; h++) {

 // find all the &lt;tr&gt; elements... 
  var trs = tbodies[h].getElementsByTagName("tr");
  
  // ... and iterate through them
  for (var i = 0; i < trs.length; i++) {

    // avoid rows that have a class attribute
    // or backgroundColor style
    if (! hasClass(trs[i]) &&
        ! trs[i].style.backgroundColor) {
		  
      // get all the cells in this row...
      var tds = trs[i].getElementsByTagName("td");
    
      // and iterate through them...
      for (var j = 0; j < tds.length; j++) {
    
        var mytd = tds[j];

        // avoid cells that have a class attribute
        // or backgroundColor style
        if (! hasClass(mytd) &&
            ! mytd.style.backgroundColor) {
    
          mytd.style.backgroundColor =
            even ? evenColor : oddColor;
        
        }
      }
    }
    // flip from odd to even, or vice-versa
    even =  ! even;
  }
}
}
// end TABLE STRIPING (alternating rows of colors)