<!-- Paste this code into an external JavaScript file named: validate.js-->

function checkThisForm(formname, submitbutton, errors) {
if (errors == '') {
eval(formname+'.'+submitbutton+'.disabled=true');
eval('document.'+formname+'.submit()');
} else {
alert(errors);
}
}

function checkText(formname, textboxname, displaytext) {
var localerror = '';
if(Trim(eval('document.'+formname+'.'+textboxname+'.value'))=='') {
localerror ='- '+displaytext+' is Required.\n';
} else localerror = '';
return localerror;
}

function checkNum(formname, textboxname, displaytext) {
var localerror = '';
if(isNaN(eval('document.'+formname+'.'+textboxname+'.value'))) {
localerror ='- '+displaytext+' Should Be A Number With No Spaces.\n';
} else localerror = '';
return localerror;
}

function checkSpaces(formname, textboxname, displaytext) {
var valid = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_';
var localerror = '';
if(!isValid(Trim(eval('document.'+formname+'.'+textboxname+'.value')), valid)) {
localerror ='- '+displaytext+' Should Not Contain Spaces.\n';
} else localerror = '';
return localerror;
}

function checkSelect(formname, selectboxname, displaytext) {
var localerror = '';
if(eval('document.'+formname+'.'+selectboxname+'.selectedIndex')==0) {
localerror ='- '+displaytext+' is Required.\n';
} else localerror = '';
return localerror;
}

function getRadio(formname, radioname, displaytext) {
for (var i=0; i < eval('document.'+formname+'.'+radioname+'.length'); i++) {
if (eval('document.'+formname+'.'+radioname+'[i].checked')) {
var rad_val = eval('document.'+formname+'.'+radioname+'[i].value');
return rad_val;
}
}
}

function checkRadio(formname, radioname, displaytext) {
var localerror = '';
var rad_val= '';
for (var i=0; i < eval('document.'+formname+'.'+radioname+'.length'); i++) {
if (eval('document.'+formname+'.'+radioname+'[i].checked')){
rad_val += '-';
}	else rad_val += '';
}
if (rad_val=='') {
localerror ='- '+displaytext+' is Required.\n';
}
return localerror;
}

function autoComplete (field, select, property) {
/*onKeyUp="autoComplete(this,this.form.selectboxname,'value',false)" - add this to textbox where you are typing*/
var found = false;
for (var i = 0; i < select.options.length; i++) {
if (select.options[i][property].toUpperCase().indexOf(field.value.toUpperCase()) == 0) {
found=true; break;
}
}
if (found) {
select.selectedIndex = i;
} else {
select.selectedIndex = -1;
}
if (field.createTextRange) {
if (!found) {
field.value=field.value.substring(0,field.value.length-1);
return;
}
var cursorKeys ="8;46;37;38;39;40;33;34;35;36;45;";
if (cursorKeys.indexOf(event.keyCode+";") == -1) {
var r1 = field.createTextRange();
var oldValue = r1.text;
var newValue = found ? select.options[i][property] : oldValue;
if (newValue != field.value) {
field.value = newValue;
var rNew = field.createTextRange();
rNew.moveStart('character', oldValue.length) ;
rNew.select();
}
}
}
}

function Trim(s) {
while ((s.substring(0,1) == ' ') || (s.substring(0,1) == '\n') || (s.substring(0,1) == '\r')) {
s = s.substring(1,s.length);
}
while ((s.substring(s.length-1,s.length) == ' ') || (s.substring(s.length-1,s.length) == '\n') || (s.substring(s.length-1,s.length) == '\r')) {
s = s.substring(0,s.length-1);
}
return s;
}

function isValid(string,allowed) {
for (var i=0; i< string.length; i++) {
if (allowed.indexOf(string.charAt(i)) == -1) return false;
}
return true;
}