function ajaxInit() 
{
	var xmlhttp;
	try 
	{
		xmlhttp = new XMLHttpRequest();
	} 
	catch(ee) 
	{
		try 
		{
			xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		} 
		catch(e) 
		{
			try 
			{
				xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
			} 
			catch(E) 
			{
				xmlhttp = false;
			}
		} 
	} 
	return xmlhttp;
}