// JavaScript Document

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

function fixPNG(myImage) 
{
    if ((version >= 5.5) && (version < 7) && (document.body.filters)) 
    {
       var imgID = (myImage.id) ? "id='" + myImage.id + "' " : ""
	   var imgClass = (myImage.className) ? "class='" + myImage.className + "' " : ""
	   var imgTitle = (myImage.title) ? 
		             "title='" + myImage.title  + "' " : "title='" + myImage.alt + "' "
	   var imgStyle = "display:inline-block;" + myImage.style.cssText
	   var strNewHTML = "<span " + imgID + imgClass + imgTitle
                  + " style=\"" + "width:" + myImage.width 
                  + "px; height:" + myImage.height 
                  + "px;" + imgStyle + ";"
                  + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
                  + "(src=\'" + myImage.src + "\', sizingMethod='image');\"></span>"
	   myImage.outerHTML = strNewHTML	  
    }
}

function toggleNav(theElement, newVisibility) 
{
	if (document.getElementById) {
		switch(newVisibility)
		{
			case "show" : 	
				document.getElementById(theElement).style.display = "block";
				break;
			
			case "hide" : 
				document.getElementById(theElement).style.display = "none";
				break;
							
		}
	}
}


function initializeSubNav () {
	var subNav_items = document.getElementsByClassName('subNav_item');
	
	for (var i = 0; i < subNav_items.length; i++) {
		subNav_items[i].onmouseover = function () {
			this.className = 'subNav_item_selected';
		}
		
		subNav_items[i].onmouseout = function () {
			this.className = 'subNav_item';
		}
		
		subNav_items[i].onclick = function () {
			var theLink = this.getElementsByTagName('a');
			window.location = theLink[0].getAttribute('href');
		}

	}
}

addLoadEvent(initializeSubNav);