function popupMP3(whichMp3, mid, bandid, width, height, path) { 
	width=(width)?width:screen.width/3;
	height=(height)?height:screen.height/3;
	var screenX = (screen.width/2 - width/2);
	var screenY = (screen.height/2 - height/2);
	var features = "toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=1";
	features += ",width=" + width + ",height=" + height;
	features += ",screenX=" + screenX + ",left=" + screenX;
	features += ",screenY=" + screenY  +",top=" + screenY;
	var mywin=window.open(path+"wimpy/popup.php?title="+whichMp3+"&mid="+mid+"&bandid="+bandid, "", features);
}	
function showHide(id) {
	document.getElementById(id).style.display = (document.getElementById(id).style.display == 'block' ? 'none' : 'block');
}
function checkForDelete(myText) {
var warning = myText;
	if(confirm(warning))
	  return true;
	else
	  return false;
}
function checkAddPost(langName,langSubject,langComment) {
var message = "";

	if(document.myForm.name.value=="") 
	  message += langName + " må fylles ut\n";
	if(document.myForm.subject.value=="") 
	  message += langSubject + " må fylles ut\n";
	if(document.myForm.comment.value=="") 
	  message += langComment + " må fylles ut\n";

	if(message.length>0) {
	  alert(message);
	  return false;
	} else {
		return true;
	}
}
function ValidateLogin(){
	if (document.frmlogin.username.value==""){
		alert("Brukernavn mangler!");
		document.frmlogin.username.focus();
		return false;
	} else if (document.frmlogin.password.value==""){
		alert("Passord mangler");
		document.frmlogin.password.focus();
		return false;
	} else { 
		document.frmlogin.submit();	
		return true;
	}
}
function checkAddBand(langName,langPass,langEmail) {
var message = "";
var x = document.signup.email.value;
var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;

	if(document.signup.name.value=="") 
		message += langName;
	if(document.signup.password.value=="") 
		message += langPass;
	if (!filter.test(x))
		message += langEmail;

	if(message.length>0) {
		alert(message);
		return false;
	} else {
		return true;
	}
}