function __xmlhttp_request()
{
	var XMLHttpObject = null;
	
	if(window.XMLHttpRequest)
	{
		XMLHttpObject = new XMLHttpRequest();
	}
	else if(window.ActiveXObject)
	{
		XMLHttpObject = new ActiveXObject("Microsoft.XMLHTTP"); 
	}
		
	if(XMLHttpObject != null)
	{				
		return XMLHttpObject;
	}
	else
	{
		return false;
	}	
}

function __show_loader(state)
{
	if(document.getElementById)
	{
		if(document.getElementById('loader'))
		{
			document.getElementById('loader').style.visibility = state;
			document.getElementById('loader').style.top = 0 + document.body.scrollTop;
		}
	}
}