function SwitchColumn(SiteCategorieId, ColumnId)
{

	if ( XMLPossible() )
	{
		document.getElementById("ColumnLoader").style.display = 'block';
		document.getElementById("ColumnSelection").innerHTML = 'Even geduld...';
		
		XMLHTTP.onreadystatechange = function()
		{
			if (XMLHTTP.readyState == 4)
			{
				document.getElementById("block_innerhtml_column").innerHTML = XMLHTTP.responseText;
				document.getElementById("ColumnLoader").style.display = 'none';
				
			}
		}
		XMLHTTP.open("GET", "/web2/getcolumn/" + SiteCategorieId + '-' + ColumnId, true)
		XMLHTTP.send(null)
	}
}