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 == '');
}

function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=1,menubar=0,resizable=0,width=800,height=600');");
}

function isEmpty(val){
                if(!val.value){
                                return false;
                }
                return true;
}

function isValidEmail(val) {
                val = val.value;
                return (val.indexOf(".") > 0) && (val.indexOf("@") > 0);
 
}

function validateForm_12345(){
                var name = document.getElementById('name');
                var email = document.getElementById('email');            
                var tel = document.getElementById('tel');
				var message = document.getElementById('message');                
                var verif_box = document.getElementById('verif_box');
                
                var error = 'Please insert a ';
                
                if(!isEmpty(name)){
                                name.focus();
                                window.alert(error+'valid name');
                                return false;
                }
                if(!isValidEmail(email)){
                                email.focus();
                                window.alert(error+'email address');
                                return false;
                }
                if(!isEmpty(tel)){
                                tel.focus();
                                window.alert(error+'telephone number');
                                return false;
                }
                if(!isEmpty(message)){
                                message.focus();
                                window.alert(error+'message');
                                return false;
                }
                
                if(!isEmpty(verif_box)){
                                verif_box.focus();
                                window.alert(error+'verification number');
                                return false;
                }
                
                return true;
}
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 callmyajax(typeId){ 
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null){
		alert ("Browser does not support AJAX - Please update");
		return;
	}
	var url="http://bcdev.co.uk/OakleeHousing/ajaxGetHousing.php?id="+typeId;
	xmlHttp.onreadystatechange=function() { ajaxStateChanged("ajaxTarget"); };
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}

function ajaxStateChanged(obj) {
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") { 
		window.document.getElementById(obj).innerHTML=xmlHttp.responseText 
	}
}