function showClasses(which) {
	hideClasses();
	showDiv = document.getElementById(which);
	showDiv.style.display = "block";
}

function hideClasses() {
	for(i=1; i<5; i++) {
		hideDiv = eval('document.getElementById(\'classes'+i+'\')');
		hideDiv.style.display = "none";
	}
}

function showSchools() {
	showUL = document.getElementById('schoolUL');

	if(document.selectForm.school.value == "2007_2008") {				
		hideClasses();
		showUL.style.display = "block";
	} else {
		showUL.style.display = "none";
	}
}
function showLogin() {
	showHead1 = document.getElementById('header1');
	showHead2 = document.getElementById('header2');
	showHead1.style.display = "none";
	showHead2.style.display = "block";
}

function showSchoolsB() {
	
}

//used for images popups on who we are, what we did, systems gallery
var popupDesc = "";