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 MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

var mmHideMenuTimer = null;
function MM_menuStartTimeout(hideTimeout) {
	mmHideMenuTimer = setTimeout("MM_showHideLayers('menuA','','hide','menuB','','hide','menuC','','hide','menuD','','hide','menuE','','hide','menuF','','hide','menuG','','hide','motivation','','hide','mobilisation','','hide','leadership','','hide','breadcrumbA','','show','breadcrumbB','','show','breadcrumbC','','show','breadcrumbD','','show','breadcrumbE','','show','breadcrumbF','','show','breadcrumbG','','show')", hideTimeout);	
}
function MM_menuResetTimeout() {
	if (mmHideMenuTimer) clearTimeout(mmHideMenuTimer);
	mmHideMenuTimer = null;
}

function validateFormLogin() {
    if (isEMailAddr(document.getElementById('Email'),4,'email')) {
        if (isNotEmpty(document.getElementById('Firstname'),3,'First name')) {
            if (isNotEmpty(document.getElementById('FamilyName'),3,'Family name')) {
                            document.getElementById('Ccontact').submit();
            }
        }
    }
}
function validateFormBook()  {
    if (isEMailAddr(document.getElementById('Email'),4,'email')) {
        if (isNotEmpty(document.getElementById('Firstname'),3,'First name')) {
            if (isNotEmpty(document.getElementById('FamilyName'),3,'Family name')) {
				if (isNotEmpty(document.getElementById('Addressline1'),3,'Address line 1')) {
					if (isNotEmpty(document.getElementById('Town'),3,'Town')) {
						if (isNotEmpty(document.getElementById('Postcode'),3,'Postcode')) {
							if (isNotEmpty(document.getElementById('Country'),3,'Country')) {
								if (isChosen(document.getElementById('coursedate'))) {
                            		document.getElementById('Ccontact').submit();
								}
							}
						}
					}
				}
            }
        }
    }
}

// validates that the field value string has one or more characters in it
function isNotEmpty(elem,nchar,elemname) {
    var str = elem.value;
   	if(!elemname)  var elemname = 'required field';
    if(!nchar) var nchar = 3;
    if(str.length < nchar) {
        alert("The "+elemname+" is minimum "+nchar+" characters.");
        return false;
    } else {
        return true;
    }
}
function isNotTheSameValue(elem1,elem2) {
	var str1 = elem1.value;
	var str2 = elem2.value;
	if(str1 != str2) {
			alert("The password and confirmed password do not match?!!");
			return false;
		} else {
			return true;
		}
}
// validates that the entry is formatted as an email address
function isEMailAddr(elem) {
    var str = elem.value;
    var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
    if (!str.match(re)) {
        alert("Verify the email address format.");
        return false;
    } else {
        return true;
    }
}

// validate that the user made a selection other than default
function isChosen(select) {
    if (select.selectedIndex == 0) {
        alert("Please make a choice from the course list.");
        return false;
    } else {
        return true;
    }
}
   
// validate that the user has checked one of the radio buttons
function isValidRadio(radio) {
    var valid = false;
    for (var i = 0; i < radio.length; i++) {
        if (radio[i].checked) {
            return true;
        }
    }
    alert("Make a choice from the radio buttons.");
    return false;
}