// JavaScript Document

// Not Part of the Menu
// This is for the course popup
function viewCourse(CourseID) {
	URL = "http://kd.iu.edu/courseitem.aspx?CourseID=" + CourseID;
	day = new Date();
	id = day.getTime();
	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,menubar=0,resizable=1,width=440,height=350');");
}

//track currently opened/selected objects
var level1_open_id;
var level1_object;
var level2_open_id;
var level2_object;
var level3_open_id;
var level3_object;

var selected_object;

function start_nav(my_id){
	if(my_id != null){
		level1_open_id = my_id
		thisMenu = document.getElementById(level1_open_id).style
		thisMenu.display = "block"
	}
}


function local_nav(currDropdown, level_clicked, selected){


	if(document.getElementById){
	
		if(selected){
			if(selected_object){
				selected_object.style.color = "black"
				
				if(selected_object.style.fontWeight == "900"){
					selected_object.style.fontWeight = "normal"
				}
			}
				
			selected.style.color = "#9e1b34"
			
			if(level_clicked == 1){
				selected.style.fontWeight = "bold"
			}
			if(level_clicked == 2)
			{
				selected.style.fontWeight = "900"
			}
			
			if(selected.style.fontWeight != "bold")
				selected.style.fontWeight = "900"

		}

	
		
		//close level1 item
		if(level1_open_id && level_clicked==1){
			thisMenu = document.getElementById(level1_open_id).style
			
			thisMenu.display = "none"
			level1_open_id = currDropdown
			selected_object = selected;
		}
		//first level1 item to be clicked
		else if(!level1_open_id && level_clicked==1){
			level1_open_id = currDropdown
			selected_object = selected;
		}


		//close level2 item
		if(level2_open_id && level_clicked==2){
			thisMenu = document.getElementById(level2_open_id).style	
			
			thisMenu.display = "none"
			level2_open_id = currDropdown
			selected_object = selected;
		}
		//first level2 item to be clicked
		else if(!level2_open_id && level_clicked==2){
			level2_open_id = currDropdown
			selected_object = selected;
		}
		
		//level 3 item selected
		if(level_clicked == 3){
			selected_object = selected;
		}

		if(currDropdown){
			thisMenu = document.getElementById(currDropdown).style
		}
	
		//display menu to be opened
		if(typeof(thisMenu) != "undefined" && thisMenu){
			if(!thisMenu.display || thisMenu.display == "none"){
				thisMenu.display = "block"
			}
		}
			
		return true;
	}
	return false;
}