function doubles(a, e) {
	var z = 0;
	for(j=0;j<a.length;j++)
	{
		if(a[j]==e)
		{
			z++;	
		}
	}
	return z;
}

function getBoxes()
{
	var PlacesArr = new Array();
	
	var idzDB  = document.getElementById('idzDB');
	var valsDB = document.getElementById('valsDB');
	
	var arrIDZ = idzDB.value.split(',');
	var arrVals = valsDB.value.split(',');

	if(arrIDZ.length > 0)
	{
		for(i=0;i<arrIDZ.length;i++)
		{
			for(j=1;j<=arrVals[i];j++)
			{
				var selDD = document.getElementById('dd'+arrIDZ[i]+'-'+j)
				if(selDD != undefined || selDD != null)
				{	
					PlacesArr.push(selDD.value);
				}
			}
		}
	}
	
for(k=0;k<PlacesArr.length;k++)
{
	if(doubles(PlacesArr, PlacesArr[k]) > 1)
	{
		alert ('Feil plassering')
		return false;	
	}
}
//return false
return true	
}