// AJAX UNIT SIZES /////////////////////////////

function GetXmlHttpObject()
{
	var xmlHttp = null;
	
	try
	{
		// Firefox, Opera 8.0+, Safari
		xmlHttp = new XMLHttpRequest();
	}
	catch( e )
	{
		// Internet Explorer
		try
    	{
			xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch( e )
		{
			xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	
	return xmlHttp;
}

function stateChanged() 
{
	if ( xmlHttp.readyState == 4 )
	{
		document.getElementById("unitlist").innerHTML = xmlHttp.responseText;
	}
}

function showUnits( str )
{
	document.getElementById("unitlist").innerHTML = '<p class="ui-loading">Loading Live Unit List...</p>';

	if ( str.length == 0 )
	{ 
		document.getElementById("unitlist").innerHTML = "";
		return;
	}
	
	xmlHttp = GetXmlHttpObject();
	
	if ( xmlHttp == null )
	{
		alert( "Your browser does not support AJAX!" );
		return;
	}

	var url = "../acronym_converter/unit_list.php";
	url = url + "?id=" + str;
	url = url + "&sid=" + Math.random();
	xmlHttp.onreadystatechange = stateChanged;
	xmlHttp.open( "GET", url, true );
	xmlHttp.send( null );
}