// MATCH CALL FORM CHECKER FUNCTIONS

function validateEmpty(fld, errordiv, errortextfield, passdiv) {
    var error = "";
  
    if (fld.value.length == 0) {
        error = "The required field has not been filled in.\n"
    } 
	if(error=="") {
	document.getElementById(passdiv).style.display = 'inline';
	document.getElementById(errordiv).style.display = 'none';
	} else {
	document.getElementById(passdiv).style.display = 'none';
	document.getElementById(errordiv).style.display = 'inline';
	document.getElementById(errortextfield).innerHTML = error;
	}
}

function validatePic(fld, errordiv, errortextfield, passdiv) {
    var error = "";
  
    if (fld.value.length == 0) {
        error = "A Picture has not been selected.\n"
    } else {
		if(fld.value.lastIndexOf(".jpg")==-1&&fld.value.lastIndexOf(".gif")==-1&&fld.value.lastIndexOf(".jpeg")==-1&&fld.value.lastIndexOf(".JPG")==-1&&fld.value.lastIndexOf(".GIF")==-1) {	
		error = "Only .jpg & .gif images are allowed";
		}
	}
	if(error=="") {
	document.getElementById(passdiv).style.display = 'inline';
	document.getElementById(errordiv).style.display = 'none';
	} else {
	document.getElementById(passdiv).style.display = 'none';
	document.getElementById(errordiv).style.display = 'inline';
	document.getElementById(errortextfield).innerHTML = error;
	}
}

function validateAmount(fld, errordiv, errortextfield, passdiv) {
    var error="";
    var amountFilter = /^\d{1,4}\.\d{2}$/ ;
    
    if (fld.value == "") {
        error = "You didn't enter an amount.\n";
    } else if (!amountFilter.test(fld.value)) {              //test email for illegal characters
        error = "Please enter a valid amount. In format 0.00\n";
    }  
	if(error=="") {
	document.getElementById(passdiv).style.display = 'inline';
	document.getElementById(errordiv).style.display = 'none';
	} else {
	document.getElementById(passdiv).style.display = 'none';
	document.getElementById(errordiv).style.display = 'inline';
	document.getElementById(errortextfield).innerHTML = error;
	}
}

function validatePicFormat(fld, errordiv, errortextfield, passdiv) {
    var error = "";
  
    if (fld.value.length!=0) {
		if(fld.value.lastIndexOf(".jpg")==-1&&fld.value.lastIndexOf(".gif")==-1&&fld.value.lastIndexOf(".jpeg")==-1&&fld.value.lastIndexOf(".JPG")==-1&&fld.value.lastIndexOf(".GIF")==-1) {	
		error = "Only .jpg & .gif images are allowed";
		}
	}
	if(error=="") {
	document.getElementById(passdiv).style.display = 'inline';
	document.getElementById(errordiv).style.display = 'none';
	} else {
	document.getElementById(passdiv).style.display = 'none';
	document.getElementById(errordiv).style.display = 'inline';
	document.getElementById(errortextfield).innerHTML = error;
	}
}


function validateOptionSelected(fld, errordiv, errortextfield, passdiv) {
    var error = "";
  
    if (fld.options[fld.selectedIndex].value == "") {
        error = "An option has not been selected.\n"
    } else if (fld.selectedIndex == -1) {
        error = "The required field has not been filled in.\n"
    } 
	if(error=="") {
	document.getElementById(passdiv).style.display = 'inline';
	document.getElementById(errordiv).style.display = 'none';
	} else {
	document.getElementById(passdiv).style.display = 'none';
	document.getElementById(errordiv).style.display = 'inline';
	document.getElementById(errortextfield).innerHTML = error;
	}
}

function validateUsername(fld) {
    var error = "";
    var illegalChars = /\W/; // allow letters, numbers, and underscores
 
    if (fld.value == "") {
        fld.style.background = 'Yellow'; 
        error = "You didn't enter a username.\n";
    } else if ((fld.value.length < 5) || (fld.value.length > 15)) {
        fld.style.background = 'Yellow'; 
        error = "The username is the wrong length.\n";
    } else if (illegalChars.test(fld.value)) {
        fld.style.background = 'Yellow'; 
        error = "The username contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    } 
    return error;
}

function validatePassword(fld, errordiv, errortextfield, passdiv) {
    var error = "";
 
    if (fld.value == "") {
        error = "You didn't enter a password.\n";
    } 
	
	if(error=="") {
	document.getElementById(passdiv).style.display = 'inline';
	document.getElementById(errordiv).style.display = 'none';
	} else {
	document.getElementById(passdiv).style.display = 'none';
	document.getElementById(errordiv).style.display = 'inline';
	document.getElementById(errortextfield).innerHTML = error;
	}
}

function validatePassword2(fld, fld2a, errordiv, errortextfield, passdiv) {
    var error = "";
 
 	fld2 = document.getElementById(fld2a);
	
    if (fld.value == "") {
        error = "You didn't enter a password.\n";
    } else if (fld.value!=fld2.value) {
        error = "The passwords do not match.\n";
    } 
	
	if(error=="") {
	document.getElementById(passdiv).style.display = 'inline';
	document.getElementById(errordiv).style.display = 'none';
	} else {
	document.getElementById(passdiv).style.display = 'none';
	document.getElementById(errordiv).style.display = 'inline';
	document.getElementById(errortextfield).innerHTML = error;
	}
}

function trim(s)
{
  return s.replace(/^\s+|\s+$/, '');
} 

function validateEmail(fld, errordiv, errortextfield, passdiv) {
    var error="";
    var tfld = trim(fld.value);                        // value of field with whitespace trimmed off
    var emailFilter = /^[^@]+@[^@.]+\.[^@]*\w\w$/ ;
    var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/ ;
    
    if (fld.value == "") {
        error = "You didn't enter an email address.\n";
    } else if (!emailFilter.test(fld.value)) {              //test email for illegal characters
        error = "Please enter a valid email address.\n";
    } else if (fld.value.match(illegalChars)) {
        error = "The email address contains illegal characters.\n";
    } 
	if(error=="") {
	document.getElementById(passdiv).style.display = 'inline';
	document.getElementById(errordiv).style.display = 'none';
	} else {
	document.getElementById(passdiv).style.display = 'none';
	document.getElementById(errordiv).style.display = 'inline';
	document.getElementById(errortextfield).innerHTML = error;
	}
}

function validateEmailNonEmpty(fld, errordiv, errortextfield, passdiv) {
    var error="";
    var tfld = trim(fld.value);                        // value of field with whitespace trimmed off
    var emailFilter = /^[^@]+@[^@.]+\.[^@]*\w\w$/ ;
    var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/ ;
    if(fld.value != "") {
  	if (!emailFilter.test(fld.value)) {              //test email for illegal characters
        error = "Please enter a valid email address.\n";
    } else if (fld.value.match(illegalChars)) {
        error = "The email address contains illegal characters.\n";
    } 
	}
	if(error=="") {
	document.getElementById(passdiv).style.display = 'inline';
	document.getElementById(errordiv).style.display = 'none';
	} else {
	document.getElementById(passdiv).style.display = 'none';
	document.getElementById(errordiv).style.display = 'inline';
	document.getElementById(errortextfield).innerHTML = error;
	}
}

function validateMobile(fld, errordiv, errortextfield, passdiv) {
    var error = "";
    var stripped = fld.value.replace(/[\(\)\.\-\ ]/g, '');     

   if (fld.value == "") {
        error = "You didn't enter a phone number.\n";
    } else if (isNaN(stripped)) {
        error = "The mobile number contains illegal characters.\n";
    } else if (!(stripped.length == 11)) {
        error = "The mobile number is the wrong length, It Should be 11 digits.\n";
    } else if (! (stripped.slice(0,2) == "07")) {
		error = "The mobile number must start with 07...\n";
	}
	if(error=="") {
	document.getElementById(passdiv).style.display = 'inline';
	document.getElementById(errordiv).style.display = 'none';
	} else {
	document.getElementById(passdiv).style.display = 'none';
	document.getElementById(errordiv).style.display = 'inline';
	document.getElementById(errortextfield).innerHTML = error;
	}
}

function validateGroupCodeName(fld, errordiv, errortextfield, passdiv) {
    var error = "";     

   if (fld.value == "") {
        error = "You didn't enter a Code name.\n";
    } else if (fld.value.indexOf(' ')!=-1) {
        error = "The Code Name cannot contain spaces.\n";
    } 
	if(error=="") {
	document.getElementById(passdiv).style.display = 'inline';
	document.getElementById(errordiv).style.display = 'none';
	} else {
	document.getElementById(passdiv).style.display = 'none';
	document.getElementById(errordiv).style.display = 'inline';
	document.getElementById(errortextfield).innerHTML = error;
	}
}

function validateDate(fld, errordiv, errortextfield, passdiv) {
	var error = "";
	
	re = /^[0-3]?[0-9]\-[01]?[0-9]\-[12][90][0-9][0-9]$/;

    if(fld.value != '' && !fld.value.match(re)) {
      error = "Date Not in Correct Format.\n";
    }
	if(fld.value == '') {
      error = "No Date Entered.\n";
    }
	if(error=="") {
	document.getElementById(passdiv).style.display = 'inline';
	document.getElementById(errordiv).style.display = 'none';
	} else {
	document.getElementById(passdiv).style.display = 'none';
	document.getElementById(errordiv).style.display = 'inline';
	document.getElementById(errortextfield).innerHTML = error;
	}
}


// PREVENTION FORM CHECKING //     
function isNumberKey(evt)
      {
         var charCode = (evt.which) ? evt.which : event.keyCode
         if (charCode > 31 && (charCode < 48 || charCode > 57))
            return false;

         return true;
      }
function isNoSpaces(evt)
      {
         var charCode = (evt.which) ? evt.which : event.keyCode
         if (charCode==32)
            return false;

         return true;
      }