/*
Required Form Attribute
	onSubmit="return valid(this);"

Extend input tags to contain:

	notRequired - The user is not required to enter data into this field
	numerical		-	This input must contain numberical digits only

An input with the id = "emailTo" is checked for a correct email format
*/

function valid(myForm)
{
	for(var mainInputNo = 0; mainInputNo < myForm.elements.length; mainInputNo++)
	{
		var mainInput = myForm.elements[mainInputNo];

		if ( (mainInput.value == "") && ( (mainInput.notRequired == undefined) || (mainInput.notRequired == "false") ) )
		{
		  alert("please enter a value for " + mainInput.name);
		  mainInput.focus();

		  return false;
		}

		// at this point we only have fields that have value or are not required

		if (mainInput.id == "emailTo")
		{
			if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(mainInput.value)))
			{
				alert("Email format incorrect.");
				mainInput.focus();

				return false;
			}
		}

		if ( (mainInput.numerical != undefined) && (!(/\d+/.test(mainInput.value))) )
		{
		  alert(mainInput.name + " must contain numerical characters only");
		  mainInput.focus();

		  return false;
		}
	}

	return true;
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function changeWindowStatus(string) { //function to format the window.status
	//the XSLt processor is sending us &amp;amp; so using frontend JS to sort out
	if(string=="") {
		window.status='The Coaching Centre.';
	}
	else {
		window.status=string.replace('amp;','');
	}
}

function hideShowSubMenus(id) { //function to hide/show submenu rows
	if(document.getElementById(id).style.display != "block") {
		document.getElementById(id).style.display = "block";
	}
	else {
		document.getElementById(id).style.display = "none";
  }
}

function winpop(url,width,height)
{
	window.open(url,'newwindow','height='+height+',width='+width+',left=100,top=100,resizable=no,scrollbars=yes,toolbar=no,status=no');
	//if (window.focus) {newwindow.focus()}
}


//--------------------------------------------------------------------------------------------------------------------------------
//------------------------------------------------------- CLASSIFIEDS PAGE -------------------------------------------------------
//--------------------------------------------------------------------------------------------------------------------------------

//-----------------------------------------------------
// check the mandatory fields and see if they are valid
//-----------------------------------------------------
function check_address()
{
	var errStr = "";

	//--------------
	// simple fields
	//--------------
	if (document.getElementById('firstname').value == "") { errStr += " - Forename name\n" }
	if (document.getElementById('surname').value == "") { errStr += " - Surname\n" }
	if (document.getElementById("email").value == "" || document.getElementById("email").value.indexOf('@', 0) == -1) { errStr += " - Enter a valid e-mail address.\n" }
	if (document.getElementById('contel').value == "") { errStr += " - Telephone number\n" }
	if (document.getElementById('county').value == "Please Select") { errStr += " - Please select a county\n" }
	
	//-------------------------------------------------------
	// get user to select a county if they live within the uk
	//-------------------------------------------------------
	if (document.getElementById('country').value == "75" && document.getElementById('county').value == "0") // please select
	{ errStr += " - If you live within the United Kingdom please a county\n" }	
	
	if (document.getElementById('country').value == "75" && document.getElementById('county').value == "001") // outside uk
	{ errStr += " - If you live within the United Kingdom please a county\n" }
	
	if (document.getElementById('country').value == "75" && document.getElementById('county').value == "sep") // separator
	{ errStr += " - If you live within the United Kingdom please a county\n" }
	
	if (document.getElementById('originalName').value == "") { errStr += "\n - Please upload an image\n"} // make sure an image has been uploaded

	//------------------------
	// throw alert box to user
	//------------------------
	if (errStr != "")
		{
			alert("Please complete the following field(s):\n\n" + errStr);
			return false;
		}
}		

//--------------------------------------
// confirm if user is private advertiser
//--------------------------------------
function checkPrivate() 
{
	if(document.classFrm.private.checked == true) 
	{
		document.classFrm.btnCont.disabled = false;
	} 
	else 
	{
 		document.classFrm.btnCont.disabled = true;
	}
}


function getObject1(sName)
{
	var ie	= (document.all);
	var ns4	= document.layers ? true : false;
	var dom	= document.getElementById && !document.all ? true : false;

	if(dom)
	{
		return document.getElementById(sName);
	}
	else if(ie)
	{
		return document.all[sName];
	}
	else if(ns4)
	{
		return document.layers[sName];
	}
}



//--------------------------------------------------------------------------------------------------------------------------------
//-------------------------------------------------------- RECOMMEND PAGE --------------------------------------------------------
//--------------------------------------------------------------------------------------------------------------------------------

function checkForm()
{
    var errStr = "";

    //--------------
    // simple fields
    //--------------
    if (document.getElementById('name').value == "") 
    { 
        errStr += " - Please enter your full name\n" 
    }

    if (document.getElementById("email").value == "" || document.getElementById("email").value.indexOf('@', 0) == -1) 
    { 
        errStr += " - Please use a valid e-mail address.\n\n"
    }

    if (document.getElementById("recipient_name").value == "") 
    { 
        errStr += " - Please enter a recipient name.\n"
    }

    if (document.getElementById("recipient_address").value == "" || document.getElementById("recipient_address").value.indexOf('@', 0) == -1) 
    { 
        errStr += " - Please use a valid recipient email.\n"
    }

    //------------------------
    // throw alert box to user
    //------------------------
    if (errStr != "")
    {
      alert("Please complete the following field(s):\n\n" + errStr);
      return false;
    }
}