//Expandable menu scripts
if (!document.getElementById)
    document.getElementById = function() { return null; }

function initializeMenu(menuId, actuatorId) {
    var menu = document.getElementById(menuId);
    var actuator = document.getElementById(actuatorId);

    if (menu == null || actuator == null) return;

    //if (window.opera) return; // I'm too tired

    actuator.onclick = function() {
        var display = menu.style.display;
        menu.style.display = (display == "block") ? "none" : "block";

        return false;
    }
}

window.onload = function() {
            initializeMenu("menu1", "menu1Actuator");
            initializeMenu("menu2", "menu2Actuator");
			initializeMenu("menu3", "menu3Actuator");
			initializeMenu("menu4", "menu4Actuator");
			initializeMenu("menu5", "menu5Actuator");
			initializeMenu("menu6", "menu6Actuator");
}
function expand(tab){
	if(document.getElementById('expander' + tab).style.display == 'none'){
		document.getElementById('expander' + tab).style.display = 'block';
		document.getElementById('ex' + tab).innerHTML = '- Hide Courses';
	}
	else {
		document.getElementById('expander' + tab).style.display = 'none';
		document.getElementById('ex' + tab).innerHTML = '+ Show Existing Courses';
	}
}

//Checks to be sure you want to delete a user
function deluser(uid){
	if(confirm("Do you really want to delete this user?")){
		location.href='../action.cfm?deluser=' + uid;	
	}
}

//Validates the user admin form
function checker(){
	if(document.getElementById('adminname').value==""){
		alert("You must enter the name of the user!");
	}
	else if(document.getElementById('email').value==""){
		alert("You must enter the email address of the user!");	
	}
	else if(document.getElementById('uname').value==""){
		alert("You must enter a username for the user!");
	}
	else if(document.getElementById('pw1').value==""){
		alert("You must enter a password for the user!");
	}
	else if(document.getElementById('pw2').value==""){
		alert("You must retype the chosen password for the user!");
	}
	else if (document.getElementById('pw1').value!=document.getElementById('pw2').value){
		alert("The passwords do not match please retype them and try again!");
		document.getElementById('pw2').value="";
		document.getElementById('pw2').focus();
	}
	else{
		document.getElementById('useradd').submit();	
	}
}