function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}

function showHide(elmId) {
	var allTypes = new Array();
	allTypes = getElementsByClass("ptype");
	
	for(i=0; i < allTypes.length; i++) {
		allTypes[i].style.display = 'none';
	}
	
	document.getElementById(elmId).style.display="block";
}

function toggleAssessment(objChkBox, objSel) {
	if(objChkBox.checked) {
		objSel.selectedIndex = 5;
	}else{
		objSel.selectedIndex = 1;
	}
}

function logoutReminder() {
	return alert('Please remember to click LOGOUT when you are finished taking the assessment.');
}