function checkAll(allChecked, list) {
	if (allChecked.checked == true)
		for (i = 0; i < list.length; i++)
			list[i].checked = true;
			
	else for (i = 0; i < list.length; i++)
			list[i].checked = false;
}

function reload(form) {
	form.submit();
}

function popitup(url) {
	popitupwithsizes(url, 800, 700);
}
function popupWithSizes(url, width, height, toolbar) {
    if (newwindow) newwindow.close();
    newwindow=window.open(url,'CIPRES','width=' + width + ',height=' + height +',toolbar=' + toolbar + ',scrollbars=1,resizable=1,status=0');
}

function switchMenu(obj) {
	var el = document.getElementById(obj);
	if ( el.style.display != 'none' ) {
		el.style.display = 'none';
	}
	else {
		el.style.display = '';
	}
}

function confirm_delete(url) {
	var choice = confirm("Are you sure?  If you delete this item, you will not be able to recover it.");
	if (choice)
		window.location=url;
}

function confirm_form() {
	var agree = confirm("Are you sure?  If you delete these items, you will not be able to recover them.");
	if (agree)
		return true;
	else return false;
}

function getAjaxRequest() {
	var request = null;
	try {
		// Firefox, Opera 8.0+, Safari
		request = new XMLHttpRequest();
		if (request.overrideMimeType) {
			request.overrideMimeType('text/xml');
		}
	} catch (e) {
		// Internet Explorer
		try {
			request = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				request=new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {
				alert("No AJAX request object could be created!");
				return null;
			}
		}
	}
	return request;
}

function getCommaDelimitedString(array) {
	if (array == null || array.length == null || array.length < 1)
		return null;
	else {
		var list = "";
		for (i=0; i<array.length; i++) {
			list += array[i];
			if (i < array.length - 1)
				list += ",";
		}
		return list;
	}
}

function getDropdownSelectionsArray(form, value) {
	var dropdown = form.elements[value];
	if (dropdown == null)
		return null;
	else {
		var options = dropdown.options;
		if (options == null)
			return null;
		else {
			var selections = new Array();
			for (i=0; i<options.length; i++) {
				if (options[i].selected)
					selections[selections.length] = options[i].value;
			}
			if (selections.length < 1)
				return null;
			else return selections;
		}
	}
}

function getDropdownSelection(form, value) {
	var selections = getDropdownSelectionsArray(form, value);
	if (selections == null)
		return null;
	else return getCommaDelimitedString(selections);
}

function repopulateDropdown(dropdown, options) {
	// clear and then repopulate the drop-down list
	dropdown.length = 0;
	dropdown.length = options.length;
	for (i=0; i<options.length; i++) {
		dropdown[i].value = options[i].attributes.getNamedItem("value").nodeValue;
		dropdown[i].text = options[i].text;
		// if we encounter the selected option, select it
		var selected = options[i].attributes.getNamedItem("selected");
		if (selected != null && selected.nodeValue == "true")
			dropdown[i].selected = true;
	}
}

function getSubmitElements(form) {
	var submit = new Array();
	for (i=0; i<form.length; i++) {
		var widget = form.elements[i];
		if (widget.type.toLowerCase() == "submit")
			submit[submit.length] = widget;
	}
	if (submit.length < 1)
		return null;
	else return submit;
}