function getAjaxObject()
{
	var check;
	var ao;
	if(window.XMLHttpRequest)
	{
		try
		{
			ao = new XMLHttpRequest();
			check = 'XMLHttpRequest';
		}
		catch(e)
		{
			ao = null;
		}
	}
	else
	{
		try
		{
			ao = new ActiveXObject("Msxml2.Xmlhttp");
			check='Mxml2.Xmlhttp';
		}
		catch(e)
		{
			try
			{
				ao = new ActiveXObject("Microsoft.XMLHTTP");
				check='Microsoft.XMLHTTP';
			}
			
			catch(e)
			{
				ao = null;
			}
		}
	}
	
	if (ao == null)
	{
		alert ('Your browser needs to support AJAX to view this site correctly');
	}
	//alert('Ajax Objekt : '+check);
	return ao;
}