/**
   * @author: Wendy Espinoza
   * Date: October 3, 2008.
   * DOM Scripting for managing the FAQ Panel.
*/

// Default values selected (Option id)
var lastSelectedOptionId = 'option1';
var ds4_lastSelectedOptionId = 'ds4-menu-edu';

// Called on FaqTab.jspx
function showFaqs(id, type)
{
	var lastSelectedOption;
	var teachersFaqDiv = document.getElementById('teachersFaq');
    var deansFaqDiv = document.getElementById('deansFaq');
    var networkAdminFaqDiv = document.getElementById('networkAdminFaq');

	if(lastSelectedOptionId != '')
	{
		lastSelectedOption = document.getElementById(lastSelectedOptionId);
		lastSelectedOption.className = 'faq-li';
	}

	changeDivStyles(type, teachersFaqDiv, deansFaqDiv, networkAdminFaqDiv);
	var currentOption = document.getElementById(id);
	currentOption.className='faq-li-selected';
	lastSelectedOptionId = id;
}


// Hides and shows div containers
function changeDivStyles(type, teachersFaqDiv, deansFaqDiv, networkAdminFaqDiv)
{
    if(type=='T'){
        deansFaqDiv.style.display = "none";
        networkAdminFaqDiv.style.display = "none";
        teachersFaqDiv.style.display = "";
    }
    if(type=='D'){
        teachersFaqDiv.style.display = "none";
        networkAdminFaqDiv.style.display = "none";
        deansFaqDiv.style.display = "";
    }
    if(type=='NA'){
        teachersFaqDiv.style.display = "none";
        deansFaqDiv.style.display = "none";
        networkAdminFaqDiv.style.display = "";
    }
}

function onMouseOverOption(id, type)
{
	var option = document.getElementById(id);
	if(lastSelectedOptionId != type)
		option.style.display='';

}

// Type T: Changes educators content (Called on demo4RightPanel.html)
// Type D: Changes administrators content (Called on demo4RightPanel.html)
// Type NA: Changes technology directors content (Called on demo4RightPanel.html)
function changeContent(id, type)
{
	var eduDiv = document.getElementById('ds4-educators-content');
    var admDiv = document.getElementById('ds4-administrators-content');
    var tdDiv = document.getElementById('ds4-techdirectors-content');

	if(ds4_lastSelectedOptionId != '')
	{
		var lastSelectedOption = document.getElementById(ds4_lastSelectedOptionId);
		lastSelectedOption.className = 'ds4-title-menu-span signup-footer-link';
	}

	changeDivStyles(type, eduDiv, admDiv, tdDiv);
	var currentOption = document.getElementById(id);
	currentOption.className='ds4-title-menu-span-selected';
	ds4_lastSelectedOptionId = id;
}