var xmlHttp;

function checkField(field,table)
{
	xmlHttp = GetXmlHttpObject();

	if(xmlHttp == null)
	{
		alert("Browser does not support HTTP Request");
		return;
	} 
	
	field_value = document.getElementById(field).value

	var url = "modules/accounts/assets/php/account_system_ajax_check_field.php";
	url	= url+"?field="+ field;
	url	= url+"&field_value="+ field_value;
	url	= url+"&table="+ table;
	url	= url+"&sid="+Math.random();
	//prompt("",url);
  
	xmlHttp.onreadystatechange = function()
	{
		if(xmlHttp.readyState == 4)
		{ 
			document.getElementById(field+'_status').innerHTML = xmlHttp.responseText;
		}
	}
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}