function showAdvSearch(){
	var advbox = $('advancedsearchbox');
	var normalbox = $('topsearchbox');

	//Hide normalbox og show advbox
	normalbox.innerHTML = advbox.innerHTML
}

function checkRequired(id,errormsg) {
	var formfield = document.getElementById(id);
	var error = '';

	if(!errormsg){
		errormsg="Feltet bedes udfyldt\n";
	}

	if (formfield.value.length == 0) {
		error = errormsg;
		document.getElementById(id).className="alert";
	}else{
		document.getElementById(id).className="inputbox";
	}

	return error;
}

function checkEmail(id,errormsg_one,errormsg_two) {
	var formfield = document.getElementById(id);
	var error = '';

	if(formfield.value==""){
		error = errormsg_one;
		document.getElementById(id).className="alert";
	}else{
		if(!formfield.value.match(/^[\w]{1}[\w\.\-_]*@[\w]{1}[\w\-_\.]*\.[\w]{2,6}$/i)) {
			error = errormsg_two;
			document.getElementById(id).className="alert";
		}else{
			document.getElementById(id).className="inputbox";
		}
	}

	return error;
}

function checkSearchStr(){
	if($("searchtext").value == "Søg på kunstner, titel eller spillested"){
		alert("Skriv venligst et søgeord i feltet.");
		return false;
	}
};

function str_replace(search, replace, subject) {
	return subject.split(search).join(replace);
}

function popupwin(link,name,width,height){
	var winleft = (screen.width - width) / 2;
	var winUp = (screen.height - height	) / 2;
	Win =window.open(link, name, "scrollbars,resizable,width="+width+",height="+height+",left="+winleft+",top="+winUp+"");
	Win.window.focus();
}


if(top != self){
	top.location.href = location.href;
}