function beforeDelete(message, url) {
	if (confirm(message)) {
		document.location.href = url;
	}
}
function toggleEnabled(name, enabled) {
	var checkboxes = document.getElementsByName(name);
	for (var i = 0; i < checkboxes.length; i++) {
		checkboxes[i].disabled = !enabled;
	}
}
function toggleChecked(name, checked) {
	var value = checked ? "checked" : "";
	var checkboxes = document.getElementsByName(name);
	for (var i = 0; i < checkboxes.length; i++) {
		checkboxes[i].checked = value;
	}
}
function toggleCheckedFunctions(id, checked) {
	var value = checked ? "checked" : "";
	
	// var checkboxes = document.getElementsByName(name);
	var checkboxes = document.getElementsByTagName("input");
	for (var i = 0; i < checkboxes.length; i++) {
		if (checkboxes[i].id.indexOf(id) == 0) {
			checkboxes[i].checked = value;
		}
	}
}

function changeBackground(showflash){
	var randnum = Math.random();
	var inum = 3;
	var rand = Math.round(randnum * (inum-1)) + 1;
	images = new Array

	if(showflash){
		images[1] = "/img/bck_skywood03.jpg"
		images[2] = "/img/bck_skywood02.jpg"
		images[3] = "/img/bck_skywood01.jpg"
	}else{
		images[1] = "/img/bck_wood03.jpg"
		images[2] = "/img/bck_wood02.jpg"
		images[3] = "/img/bck_wood01.jpg"
	}
	var image = images[rand]
	$(document.body).setStyle('background-image','url(' + image + ')');
	
	$(document.body).setStyle('background-position','center top');
	//$(document.body).setStyle('background-repeat','repeat');
	
}