// JavaScript Document
function telvalidate(strNumber)
{
	if(!(/[1-9-]+$/.test(strNumber))) 
	{
		return false;
	}
	return true;
}
function checkPostCode(toCheck) {

  // Permitted letters depend upon their position in the postcode.
  var alpha1 = "[abcdefghijklmnoprstuwyz]";                       // Character 1
  var alpha2 = "[abcdefghklmnopqrstuvwxy]";                       // Character 2
  var alpha3 = "[abcdefghjkstuw]";                                // Character 3
  var alpha4 = "[abehmnprvwxy]";                                  // Character 4
  var alpha5 = "[abdefghjlnpqrstuwxyz]";                          // Character 5
  

  // 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 (new RegExp ("^(" + alpha1 + "{1}" + alpha2 + "?[0-9]{1,2})(\\s*)([0-9]{1}" + alpha5 + "{2})$","i"));
  
  // Expression for postcodes: ANA NAA
  pcexp.push (new RegExp ("^(" + alpha1 + "{1}[0-9]{1}" + alpha3 + "{1})(\\s*)([0-9]{1}" + alpha5 + "{2})$","i"));

  // Expression for postcodes: AANA  NAA
  pcexp.push (new RegExp ("^(" + alpha1 + "{1}" + alpha2 + "?[0-9]{1}" + alpha4 +"{1})(\\s*)([0-9]{1}" + alpha5 + "{2})$","i"));
  
  // Exception for the special postcode GIR 0AA
  pcexp.push (/^(GIR)(\s*)(0AA)$/i);
  
  // Standard BFPO numbers
  pcexp.push (/^(bfpo)(\s*)([0-9]{1,4})$/i);
  
  // c/o BFPO numbers
  pcexp.push (/^(bfpo)(\s*)(c\/o\s*[0-9]{1,3})$/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 the types of post codes
  for ( var 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();
      
      // If it is a BFPO c/o type postcode, tidy up the "c/o" part
      postCode = postCode.replace (/C\/O\s*/,"c/o ");
      
      // 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 Validate_feedback()
{
	if(document.frmFeedback.txtName.value=="")
	{
		alert("Please enter Name");
		document.frmFeedback.txtName.focus();
		return false;
	}
	if(document.frmFeedback.txtEmail.value=="")
	{
		alert("Please enter Email");
		document.frmFeedback.txtEmail.focus();
		return false;
	}
	if(document.frmFeedback.txtMessage.value=="")
	{
		alert("Please enter Message");
		document.frmFeedback.txtMessage.focus();
		return false;
	}
}

function Validate_request()
{
	
	if (document.frmRequest.spm_check.value!='')
	{
		alert("Invalid character in one of the field")
		document.frmRequest.spm_check.focus();
		return false;
	}
	if(document.frmRequest.txtName.value=="")
	{
		alert("Please enter Name");
		document.frmRequest.txtName.focus();
		return false;
	}
	else if((/<[^>]+>/.test(document.frmRequest.txtName.value)) || (/(\[).*(\]).*(\[\/)*(\])/.test(document.frmRequest.txtName.value)))
	{
		alert("Please enter valid Name");
		document.frmRequest.txtName.focus();
		return false;
	}
	if(document.frmRequest.txtJT.value=="")
	{
		alert("Please enter Job title");
		document.frmRequest.txtJT.focus();
		return false;
	}
	else if((/<[^>]+>/.test(document.frmRequest.txtJT.value)) || (/(\[).*(\]).*(\[\/)*(\])/.test(document.frmRequest.txtJT.value)))
	{
		alert("Please enter valid Job title");
		document.frmRequest.txtJT.focus();
		return false;
	}
	if(document.frmRequest.txtPn.value=="")
	{
		alert("Please enter Pharmacy name");
		document.frmRequest.txtPn.focus();
		return false;
	}
	else if((/<[^>]+>/.test(document.frmRequest.txtPn.value)) || (/(\[).*(\]).*(\[\/)*(\])/.test(document.frmRequest.txtPn.value)))
	{
		alert("Please enter valid Pharmacy name");
		document.frmRequest.txtPn.focus();
		return false;
	}
	if(document.frmRequest.txtPa1.value=="")
	{
		alert("Please enter Address1");
		document.frmRequest.txtPa1.focus();
		return false;
	}
	else if((/<[^>]+>/.test(document.frmRequest.txtPa1.value)) || (/(\[).*(\]).*(\[\/)*(\])/.test(document.frmRequest.txtPa1.value)))
	{
		alert("Please enter valid Address1");
		document.frmRequest.txtPa1.focus();
		return false;
	}
	if((document.frmRequest.txtPa2.value != "") && ( (/<[^>]+>/.test(document.frmRequest.txtPa2.value)) || (/(\[).*(\]).*(\[\/)*(\])/.test(document.frmRequest.txtPa2.value)) ) ) 
	{
		alert("Please enter valid Address2");
		document.frmRequest.txtPa2.focus();
		return false;
	}
	if((document.frmRequest.txtPa3.value != "") && ( (/<[^>]+>/.test(document.frmRequest.txtPa3.value)) || (/(\[).*(\]).*(\[\/)*(\])/.test(document.frmRequest.txtPa3.value)) ) ) 
	{
		alert("Please enter valid Address3");
		document.frmRequest.txtPa3.focus();
		return false;
	}
	if(document.frmRequest.town.value=="")
	{
		alert("Please enter Town or City");
		document.frmRequest.town.focus();
		return false;
	}
	else if((/<[^>]+>/.test(document.frmRequest.town.value)) || (/(\[).*(\]).*(\[\/)*(\])/.test(document.frmRequest.town.value)))
	{
		alert("Please enter valid Town or City");
		document.frmRequest.town.focus();
		return false;
	}
	if((document.frmRequest.county.value != "") && ( (/<[^>]+>/.test(document.frmRequest.county.value)) || (/(\[).*(\]).*(\[\/)*(\])/.test(document.frmRequest.county.value)) ) ) 
	{
		alert("Please enter valid County");
		document.frmRequest.county.focus();
		return false;
	}
	if(document.frmRequest.postcode.value=="")
	{
		alert("Please enter Postcode");
		document.frmRequest.postcode.focus();
		return false;
	}
	else if(checkPostCode(document.frmRequest.postcode.value)==false)
	{
		alert("Please enter a valid Postcode");
		document.frmRequest.postcode.focus();
		return false;
	}
	/*if(document.frmRequest.txtPtel.value=="")
	{
		alert("Please enter Pharmacy telephone number");
		document.frmRequest.txtPtel.focus();
		return false;
	}*/
	if(document.frmRequest.txtPtel.value!="")
	{
		if(telvalidate(document.frmRequest.txtPtel.value)==false)
		{
			alert("Please enter a valid Pharmacy telephone number");
			document.frmRequest.txtPtel.focus();
			return false;
		}
	}
}