var started = false;
		
function stopprogress() {			
	started = false;
	
	var pglayer = document.getElementById("progresslayer");			
	pglayer.style.display = "none";
	
	var flayer = document.getElementById("formlayer");			
	flayer.style.display = "block";
}

function startprogress(i_upid) {			
	
		var flayer = document.getElementById("formlayer");
		flayer.style.display = "none";
		
		started = true;
		refreshprogress(i_upid);
}

function refreshprogress(i_upid) {
	if (!started) return;

	var pglayer = document.getElementById("uploadlayer");			
	pglayer.style.display = "block";


	var pglayer = document.getElementById("progresslayer");			
	pglayer.style.display = "block";
	
	var pgimg 	= document.getElementById("progressimg");
	pgimg.src = "fotowettbewerb_progress.php?upid="+i_upid+"&rand="+Math.random();

	setTimeout("refreshprogress('"+i_upid+"')",1000);
}


function checkform()
{	
	if ($F("upload") == '' || $F("bildtitel") == '' || $F("name") == '' || $F("alter") == '' || $F("strassenr") == '' || $F("plz") == '' || $F("wohnort") == '' || $F("email") == '' || $F("email2") == '' || $('disclaimer').checked == false) {
		alert('Bitte füllen Sie alle Pflichtfelder aus');
		return false;
	}
}

// switch submit button to standard button (using the prototype lib)
/*
document.observe("dom:loaded", function() {
	$("senden").writeAttribute('type', 'button');
});
*/