// JavaScript Document
function getAjaxRequest(RequestType,QueryString,OutputElement)
{
	
	if (window.XMLHttpRequest)
	{
		// code for IE7+, Firefox, Chrome, Opera, Safari
		xmlhttp=new XMLHttpRequest();
	}
	else
	{
		// code for IE6, IE5
		xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
	xmlhttp.onreadystatechange=function()
	{
	if (xmlhttp.readyState==4 && xmlhttp.status==200)
	{
		document.getElementById(OutputElement).innerHTML=xmlhttp.responseText;
	}
	}
	xmlhttp.open(RequestType,QueryString,true);
	xmlhttp.send();
}


function GetGrades()
{
	getAjaxRequest("GET","AjaxFunctions.php?Grades=true","gradesddl");
}

function GetCourses(criteria1,criteria2)
{
	getAjaxRequest("POST","AjaxFunctions.php?Courses=true&GradeLevel="+criteria1+"&Subject="+criteria2,"courselist");
}


function GetSubjects(criteria)
{
	getAjaxRequest("GET","AjaxFunctions.php?Subjects=true&GradeLevel="+criteria,"subjectsddl");
}

function CourseDisplay(criteria1,criteria2)
{
	getAjaxRequest("GET","AjaxFunctions.php?GradeID="+criteria1+"&ItemGroupID="+criteria2,"coursedetails");
}
function CourseDisp(criteria1,criteria2)
{
	window.location = "details.php?GradeID="+criteria1+"&ItemGroupID="+criteria2;
}
function GetDetails(criteria1,criteria2)
{
	
	window.location = "http://wordpress.devnlcinc.com/browse-courses/results?GradeLevel="+criteria1+"&Subject="+criteria2;
}