//Javascript Document

function GetXMLHttpObject()
{
	var xmlHttp;
	try
	{
		//Firefox, Opera 8.0+, Safari
		xmlHttp= new XMLHttpRequest();
	}
	catch(e)
	{
		//Internet Explorer
		try
		{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch(e)
		{
			try
			{
				xmlHttp= new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch(e)
			{
				alert("Your browswer does not support AJAX!");
				return null;
			}
		}
	}
	return xmlHttp;
}