//This function validates the data from the form
function validate_form()
{
    valid = true;  //Variable valid set to true, allowing data to be sent to php file

	//If firstname field is empty alert is displayed and valid is set to false stopping data being sent
    if (document.contact_form.txtfName.value =="")   
    {
        alert ( "Please fill in your first name." );
        valid = false;
    }
	
	//If firstname field and email field are not empty, alert is displayed and valid is set to false stopping data being sent
	if (!document.contact_form.txtfName.value =="" && document.contact_form.txtEmail.value =="")
    {
        alert ( "Please fill in your email address." );
        valid = false;
    }
	//If firstname, email and course fields are not empty, alert is displayed and valid is set to false stopping data being sent
	if (!document.contact_form.txtfName.value =="" && !document.contact_form.txtEmail.value =="" && document.contact_form.txtinfo.value =="course not specified")
    {
        alert ( "Please select a course." );
        valid = false;
    }
    return valid; //Status of var valid is returned
}


//This function validates the data from the work for us page form
function validate_workingform()
{
    valid = true;  //Variable valid set to true, allowing data to be sent to php file

	//If firstname field is empty alert is displayed and valid is set to false stopping data being sent
    if (document.working_form.txtTitle.value =="")   
    {
       alert ( "Please fill in your title." );
       valid = false;
    }
	
	//If firstname field and email field are not empty, alert is displayed and valid is set to false stopping data being sent
	if (!document.working_form.txtTitle.value =="" && document.working_form.txtfName.value =="")
    {
        alert ( "Please fill in your first name." );
        valid = false;
    }
	//If firstname, email and course fields are not empty, alert is displayed and valid is set to false stopping data being sent
	if (!document.working_form.txtTitle.value =="" && !document.working_form.txtfName.value =="" && document.working_form.txtlName.value =="")
    {
        alert ( "Please fill in your last name." );
        valid = false;
    }
	if (!document.working_form.txtTitle.value =="" && !document.working_form.txtfName.value =="" && !document.working_form.txtlName.value =="" && document.working_form.txtPhone.value =="")
    {
        alert ( "Please fill in your phone number." );
        valid = false;
    }
	if (!document.working_form.txtTitle.value =="" && !document.working_form.txtfName.value =="" && !document.working_form.txtlName.value =="" && !document.working_form.txtPhone.value =="" && document.working_form.txtEmail.value =="")
    {
        alert ( "Please enter your email address." );
        valid = false;
    }
	if (!document.working_form.txtTitle.value =="" && !document.working_form.txtfName.value =="" && !document.working_form.txtlName.value =="" && !document.working_form.txtPhone.value =="" && !document.working_form.txtEmail.value =="" && document.working_form.txtDOB.value =="")
    {
        alert ( "Please enter your date of birth." );
        valid = false;
    }
	if (!document.working_form.txtTitle.value =="" && !document.working_form.txtfName.value =="" && !document.working_form.txtlName.value =="" && !document.working_form.txtPhone.value =="" && !document.working_form.txtEmail.value =="" && !document.working_form.txtDOB.value =="" && document.working_form.txtQualifications.value =="")
    {
        alert ( "Please enter your qualifications." );
        valid = false;
    }
    return valid; //Status of var valid is returned
}


function MM_swapImgRestore() { 
  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_findObj(n, d) { 
  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_swapImage() {  
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];}
}