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 += '- Please Input Information Into The '+nm+' Field\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}

function CheckArangeView(rform)
	{
	if (isFieldEmpty(rform.FName,"Name is required")) return false;
	if (isFieldEmpty(rform.LName,"Surname is required")) return false;
	if (isFieldEmpty(rform.Phone,"Phone is required")) return false;
	if (isFieldEmpty(rform.Email,'Please Enter Your email')) return false;
	if (rform.Email.value.length!=0 && !isEmail(rform.Email,'Entered e-mail is not valid')) return false;

	return true;
	}
//------------------------------------------------------------------------------------------------


function CheckRegFriend(rform)
	{
	if (isFieldEmpty(rform.Name,"Your Name is required")) return false;
	if (isFieldEmpty(rform.Email,'Please Enter Your email')) return false;
	if (rform.Email.value.length!=0 && !isEmail(rform.Email,'Entered e-mail is not valid')) return false;

	if (isFieldEmpty(rform.FEmail,'Please Enter Friend email')) return false;
	if (rform.FEmail.value.length!=0 && !isEmail(rform.FEmail,'Entered friend e-mail is not valid')) return false;

	return true;
	}
//------------------------------------------------------------------------------------------------


function CheckRegF(rform)
	{
	if (isFieldEmpty(rform.f_FName,"First Name is required")) return false;
	if (isFieldEmpty(rform.f_LName,"Surname is required")) return false;
	if (isFieldEmpty(rform.f_Town,"Town is required")) return false;
	if (isFieldEmpty(rform.f_Email,'Please Enter Your email')) return false;
	if (rform.f_Email.value.length!=0 && !isEmail(rform.f_Email,'Entered e-mail is not valid')) return false;

	if (isFieldEmpty(rform.f_Passwd,"Password is required")) return false;
	if (isFieldEmpty(rform.Pass2,"Confirm password is required")) return false;

	if(rform.f_Passwd.value!=rform.Pass2.value)
		{
		alert("Please check your password. The confirmation entry does not match.");
		rform.Pass2.focus();
		return false;
		} 

	return true;
	}
//------------------------------------------------------------------------------------------------
function isEmail(field,message)
	{
	var email=field.value;
	
	if (email.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
		return true;
	else
		{
		alert(message);
		field.focus();
		return false;
		}
	}
//------------------------------------------------------------------------------------------------
function isFieldEmpty(field,message)
	{
	//control if field is not empty
	if(field.value.length==0)
		{
		alert(message);
		field.focus();
		return true;
		}
	else return false;
	}
//------------------------------------------------------------------------------------------------
function AskConfirmation(msg)
	{
	return confirm(msg);
	}
//------------------------------------------------------------------------------------------------