function checkPostCode (toCheck) 

{

  // This array holds the regular expressions for the valid postcodes

  var pcexp = new Array ();



  // Expression for postcodes: AN NAA, ANN NAA, AAN NAA, and AANN NAA

  pcexp.push (/^([a-z]{1,2}[0-9]{1,2})(\s*)([0-9]{1}[abdefghijlnpqrstuwxyx][a-z])$/i);

  // Expression for postcodes: ANA NAA, and AANA  NAA

  pcexp.push (/^([a-z]{1,2}[0-9]{1}[a-z]{1})(\s*)([0-9]{1}[abdefghijlnpqrstuwxyx][a-z])$/i);

  // Exception for the special postcode GIR 0AA

  pcexp.push (/^(GIR)(\s*)(0AA)$/i);



  // Load up the string to check

  var postCode = toCheck;



  // Assume we're not going to find a valid postcode

  var valid = false;

  

  // Check the string against both post codes

  for (i=0; i<pcexp.length; i++) {

    if (pcexp[i].test(postCode)) {

    

      // The post code is valid - split the post code into component parts

      pcexp[i].exec(postCode);

      

      // Copy it back into the original string, converting it to uppercase and

      // inserting a space between the inward and outward codes

      

      postCode = RegExp.$1.toUpperCase() + " " + RegExp.$3.toUpperCase();

      

      // Load new postcode back into the form element

      valid = true;

      

      // Remember that we have found that the code is valid and break from loop



      break;

    }

  }

  

  // Return with either the reformatted valid postcode or the original invalid 

  // postcode

  if (valid) {return postCode;} else return false;

}



function test_code () 

{

	var frm = document.frm_pc;



	if (checkPostCode (frm.postcode.value)) 

	{

		frm.postcode.value=checkPostCode (frm.postcode.value)

		frm.action = 'search_technician.php';

		frm.submit();

	} 

	else 

	{

		document.getElementById('wrongcode').style.visibility='visible';

	}

}



function test_callback()

{

	var frm = document.frm_pc;

	if(frm.client_pc.value == "" || frm.repair_needed.options[frm.repair_needed.selectedIndex].value == "null" || frm.client_name.value == "" || frm.client_num.value == "")

	{

		//all fields not filled in so display warning div

		document.getElementById('wrongdetails').style.visibility='visible';

	}

	else

	{

		//set the action of the form and submit

		frm.action = "../scripts/contact.hub.php?type=1";

		frm.submit();

	}

}



function check_contact(sectionid)

{

	var frm = document.frm_pc;

	if(frm.forename.value == "" || frm.surname.value == "" || frm.email.value == "" || frm.enquiry.value == "")

	{

		//all fields not filled in so display warning div

		document.getElementById('contactdetails').style.visibility='visible';

	}

	else

	{

		//set the action of the form and submit

		frm.action = "../scripts/contact.hub.php?type=2&sectionid="+sectionid;

		frm.submit();

	}

}



function check_recruit_contact()

{

	var frm = document.frm_contact;

	if(frm.name.value == "" || frm.tel.value == "" || frm.preftime.value == "" || frm.enquiry.value == "")

	{

		//all fields not filled in so display warning div

		document.getElementById('recruitcontactdetails').style.visibility='visible';

	}

	else

	{

		//set the action of the form and submit

		frm.action = "../scripts/contact.hub.php?type=3";

		frm.submit();

	}



}



function check_email()

{

	var frm = document.frm_pc;

	if(frm.email.value == "")

	{

		//all fields not filled in so display warning div

		document.getElementById('email').style.visibility='visible';

	}

	else

	{

		//set the action of the form and submit

		frm.action = "home.php";

		frm.submit();

	}

}



function check_callback()

{

	var frm = document.frm_pc;

	if(frm.forename.value == "" || frm.surname.value == "" || frm.email.value == "" || frm.postcode.value == "")

	{

		//all fields not filled in so display warning div

		document.getElementById('callback').style.visibility='visible';

	}

	else

	{

		//set the action of the form and submit

		frm.action = "scripts/contact.hub.php?type=3";

		frm.submit();

	}

}



function hide_warning(whichone)

{

	switch(whichone)

	{

		case 1: //postcode validation error

			document.getElementById('wrongcode').style.visibility='hidden';

			document.frm_pc.postcode.focus();

			break;

		case 2: //callback form error

			document.getElementById('wrongdetails').style.visibility='hidden';

			break;

		case 3: //no username and password entered into login box

			document.getElementById('wronguserdetails').style.visibility='hidden';

			break;

		case 4: //no database match for username and password

			document.getElementById('nouser').style.visibility='hidden';

			break;

		case 5: //contact form not correctly filled in

			document.getElementById('contactdetails').style.visibility='hidden';

			break;

		case 6: //callback request form not correctly filled in

			document.getElementById('callback').style.visibility='hidden';

			break;

		case 7: //email field not correctly filled in

			document.getElementById('email').style.visibility='hidden';

			break;

		case 8: //RECRUITMENT email field not correctly filled in

			document.getElementById('recruitcontactdetails').style.visibility='hidden';

			break;

	}

}



function change_service(varid)

{

	document.getElementById("servicestxt").src = "../includes/services.inc.php?sid="+varid;

}



function change_casestudy(varid)

{

	document.getElementById("studytxt").src = "../includes/casestudies.inc.php?sid="+varid;

}



function change_franchise(varid)

{

	if(varid == 0)

	{

		strurl = "../includes/franchise.inc.php?sid=";

	}

	else

	{

		strurl = "../includes/franchise.inc.php?sid="+varid;

	}

		document.getElementById("franchisetxt").src = strurl;

}



function clear_field(fieldid, clearon)

{

	var field = document.getElementById(fieldid);

	

	if(field.value == clearon)

	{

		field.value = '';

	}

}



function check_field(fieldid,origval)

{

	var field = document.getElementById(fieldid);

	

	if(field.value == '')

	{

		field.value = origval;

	}

}



function check_login()

{

	var frm = document.frm_login;

	if(frm.username.value == "" || frm.password.value == "" || frm.username.value == 'Username' || frm.password.value == 'Password')

	{

		//all fields not completed - notify user

		parent.frames['content'].document.getElementById('wronguserdetails').style.visibility='visible';

	}

	else

	{

		frm.action = './useraccess.hub.php?type=1';

		frm.submit();

	}

}



function logout_user()

{

	parent.frames['content'].location='../useraccess.hub.php?type=2';

}



function pop_window(int_width,int_height,str_url,str_scrollbars)

{

	window.open(str_url,'popup','width='+int_width+',height='+int_height+',scrollbars='+str_scrollbars);

}



function center_window(int_width,int_height,int_focus,int_resize)

{

	xPos = (screen.availWidth - int_width) / 2;

	yPos = (screen.availHeight - int_height) / 2;

	window.moveTo(xPos,yPos);

	if(int_resize == 1)

	{

		window.resizeTo(int_width,int_height);

	}

	if(int_focus == 1)

	{

		window.focus();

	}

}



var nav = window.Event ? true : false;

if (nav) {

   window.captureEvents(Event.KEYDOWN);

   window.onkeydown = NetscapeEventHandler_KeyDown;

} else {

   document.onkeydown = MicrosoftEventHandler_KeyDown;

}



function NetscapeEventHandler_KeyDown(e) 

{

	if (e.which == 13 && e.target.type == 'text' && e.target.name != 'username' && e.target.name != 'password')

	{

		test_code();

		return false;

	}

	return true;

}



function MicrosoftEventHandler_KeyDown() 

{

	if (event.keyCode == 13 && event.srcElement.type == 'text' && event.srcElement.name != 'username' && event.srcElement.name != 'password')

	{

		test_code();

		return false;

	}

	return true;

}



function pop_tandc()

{

	window.open('../tandc.htm','revive','width=606,height=293,scrollbars=no');

}

function pop_privacy()

{

	window.open('../privacy.htm','revive','width=606,height=293,scrollbars=no');

}