validation is not working on fire fox

[aaaaaaaaaaa]

i have used required field validaiton in validator.js,it working well on ie7 but not in
firefox.when i click on submit in firefox it not validate the field.pls help me
code used in validator.js is:
[CODE=javascript] RequiredFieldVa lidator.prototy pe = new Validator();
function RequiredFieldVa lidator(element Id,defaultMessa ge,args){
this.elementId = elementId;
this.args = new Array();
this.defaultMes sage = defaultMessage;
this.messageKey = "required_field _message";
this.validateMe = function(elemen tObj){
var myValue = getValueOfEleme nt(elementObj);
var retValue = true;
if(myValue == null){
return false;
}if(myValue.con structor == Boolean){
if(myValue === false)
retValue = false;
}else if(myValue.cons tructor === Array){
if(myValue == null || myValue.length < 1)
retValue = false;
}else{
myValue = trim(myValue);
if(myValue == null || myValue == "")
retValue = false;
}
return retValue;
}
this.setArgs(Re quiredFieldVali dator.arguments );
}[/CODE]

[hsriat]

Is this JavaScript?

[acoder]

Yes it is.

ax11, please use code tags when posting code. It makes it easier to read. Thanks!
Can you show how this validator is used? The calls made and how is getValueOfEleme nt defined?

[hsriat]

Yes it is.

Ok, the 'getValueOfElem ent' confused me.