/* JS functions by Olga Turkevich*/

/* to handle query result pages with ? after the url */
function extractPageName(hrefString){
	var arr = hrefString.split('.');	
	var hasquestion=hrefString.indexOf('?'); // Check to see if the url has a query string by searching for the question mark
	if (hasquestion == '-1')
	{
		arr = arr[arr.length-2].split('/');
		//alert(arr);
		if (arr[1] != null){
			return arr[1].toLowerCase();					//returns the file folder in the position of 2
		}
		else{
			return "default";
		}	
	}
	else{
		var hrefString = arr[arr.length-2].split('?');	
		arr = arr[arr.length-2].split('/');
		return arr[1].toLowerCase();					//returns the file folder in the position of 2
	}
}

function setActiveMenu(arr, crtPage)
{
	for (var i=0; i<arr.length; i++)
	{
		if(extractPageName(arr[i].href) == crtPage)
		{
			
			if (arr[i].parentNode.tagName != "DIV")
			{
				arr[i].className = "current";
				
				var CurID = arr[i].id;
				var CurID_Element = document.getElementById(CurID);
				var CurSubMenu = CurID_Element.parentNode;
				
				if (CurSubMenu.childNodes[2] != null ){
					
					CurSubMenu = CurSubMenu.childNodes[2];
					CurSubMenu.className = "currentSubMenu";
					
					var liArray = new Array(); 
					liArray = CurSubMenu.getElementsByTagName("a");
					
					for (var j=0; j<liArray.length; j++){
						/*alert("arr:" + arr[i] + " liArray:" + liArray[j].href + " href:" + hrefString );*/
						if 	(hrefString == liArray[j].href ){
							liArray[j].className="currentSubItem";
						}
					}
				}

				return;	// We changed the nav graphic. Need to make sure it doesn't go into subitems in the menu.
			}
		}
	}
}

function setPage()
{
	hrefString = document.location.href ? document.location.href : document.location;
	//alert("hrefString: " + hrefString);	//get current URL

	if (document.getElementById("nav")!=null){
		setActiveMenu(document.getElementById("nav").getElementsByTagName("a"), extractPageName(hrefString));
	}
}
/* JS functions copied from set above and modified for second-level menu search by John Attamack*/
/* Only differences are appending "2" to all function names and changing "arr[1]" to "arr[2]" three times in extractPageName2.*/

/* to handle query result pages with ? after the url */
function extractPageName2(hrefString) {
    var arr = hrefString.split('.');
    var hasquestion = hrefString.indexOf('?'); // Check to see if the url has a query string by searching for the question mark
    if (hasquestion == '-1') {
        arr = arr[arr.length - 2].split('/');
        //alert(arr);
        if (arr[2] != null) {
            return arr[2].toLowerCase(); 				//returns the file folder in the position of 2
        }
        else {
            return "default";
        }
    }
    else {
        var hrefString = arr[arr.length - 2].split('?');
        arr = arr[arr.length - 2].split('/');
        return arr[2].toLowerCase(); 				//returns the file folder in the position of 2
    }
}

function setActiveMenu2(arr, crtPage) {
    for (var i = 0; i < arr.length; i++) {
        if (extractPageName2(arr[i].href) == crtPage) {

            if (arr[i].parentNode.tagName != "DIV") {
                arr[i].className = "current";

                var CurID = arr[i].id;
                var CurID_Element = document.getElementById(CurID);
                var CurSubMenu = CurID_Element.parentNode;

                if (CurSubMenu.childNodes[2] != null) {

                    CurSubMenu = CurSubMenu.childNodes[2];
                    CurSubMenu.className = "currentSubMenu";

                    var liArray = new Array();
                    liArray = CurSubMenu.getElementsByTagName("a");

                    for (var j = 0; j < liArray.length; j++) {
                        /*alert("arr:" + arr[i] + " liArray:" + liArray[j].href + " href:" + hrefString );*/
                        if (hrefString == liArray[j].href) {
                            liArray[j].className = "currentSubItem";
                        }
                    }
                }

                return; // We changed the nav graphic. Need to make sure it doesn't go into subitems in the menu.
            }
        }
    }
}

function setPage2() {
    hrefString = document.location.href ? document.location.href : document.location;
    /*alert("hrefString: " + hrefString); //get current URL*/
    /*alert(extractPageName2(hrefString));*/

    if (document.getElementById("nav") != null) {
        setActiveMenu2(document.getElementById("nav").getElementsByTagName("a"), extractPageName2(hrefString));
    }
}