var xmlHttp
var ajaxArea
var appendTO
function callAjax(str, pgm, divID, append)
{ 
appendTo = append
ajaxArea = divID
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
if (pgm == '') 
  {
  alert ("Invalid Ajax Querry!");
  return;  
  }
if (divID == '') 
  {
  alert ("Invalid Ajax Querry!");
  return;  
  }
var url=pgm;
url=url+"?q="+str;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function stateChanged(isValidTest) 
{ 
	if (xmlHttp.readyState==4) 	
	{ 	
		var object = document.getElementById(ajaxArea);
		if(!appendTo) {
			object.innerHTML=xmlHttp.responseText;
		} else {
			object.innerHTML= object.innerHTML + xmlHttp.responseText;	
		}
/*
	if(xmlHttp.responseText == 'That Email Is Already Registered.' ||  xmlHttp.responseText == 'That Username Already Exists.') 
		{		
			var submitBtn = document.getElementById("submitSpan");
			submitBtn.style.visibility = 'hidden';	
		} else {
			var submitBtn = document.getElementById("submitSpan");
			//submitBtn.disabled = false;
			submitBtn.style.visibility = 'visible';	
		}						
*/		
	}	
}

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 MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}