function popup(imgsrc){
	
	var img = document.getElementById('pop_img');
	img.src = '';
	
	var image = new Image();
	
	image.onLoad = load(imgsrc,'pop');
	image.src = imgsrc;

}

function closePopup()
{
	$("#pop").fadeOut(500);
}

function load(imgsrc,objid){
	
	var img = document.getElementById('pop_img');
	img.src = imgsrc;
	
	var obj = document.getElementById('pop');
	obj.style.visibility = 'visible';
	
	if(typeof(setPop)=='function'){
		setPop();
	}
	
	$("#pop").fadeIn(500);

}

function clearCapt()
{
	
	if(!captSet)
	{
		document.getElementById('capt').value='';
		captSet = true;
	}
}

function setCapt()
{
	var capt = document.getElementById('capt');
	
	if(capt.value=='')
	{
		capt.value='Vad blir 5 gånger 8?';
		captSet = false;
	}
}

function testCapt()
{
	if(captSet)
		return true;
	else
	{
		document.getElementById('error').style.display='';
		return false;		
	}
}