Hi i have got this code here and when i press submit i want it to go to the page called validate.htm could anyone please help me?

Thank you.

Code:
<script type='text/javascript'>

function formValidator(){
	// Make quick references to our fields
	var firstname = document.getElementById('firstname');
	var lastname = document.getElementById('lastname');
	var addr = document.getElementById('addr');
	var suburb = document.getElementById('suburb');
	var state = document.getElementById('state');
	var postcode = document.getElementById('postcode');
	var loanamount = document.getElementById('loanamount');
	var loanduration = document.getElementById('loanduration');
	
	// Check each input in the order that it appears in the form!
	if(isAlphabet(firstname, "Please enter only letters for your first name")){
	if(isAlphabet(lastname, "Please enter only letters for your last name")){
		if(isAlphanumeric(addr, "Numbers and Letters Only for Address")){
	if(isAlphabet(suburb, "Please enter only letters for your suburb")){
				if(madeSelection(state, "Please Choose a State")){
			if(isNumeric(postcode, "Please enter a valid post code using only numbers")){
			if(isNumeric(loanamount, "Please enter only numbers")){
			if(isNumeric(loanduration, "Please enter a number")){
							return true;
						}
					}
				}
			}
		}
	}
	}
	}
	
	
	return false;
	
}

function isEmpty(elem, helperMsg){
	if(elem.value.length == 0){
		alert(helperMsg);
		elem.focus(); // set the focus to this input
		return true;
	}
	return false;
}

function isNumeric(elem, helperMsg){
	var numericExpression = /^[0-9]+$/;
	if(elem.value.match(numericExpression)){
		return true;
	}else{
		alert(helperMsg);
		elem.focus();
		return false;
	}
}

function isAlphabet(elem, helperMsg){
	var alphaExp = /^[a-zA-Z]+$/;
	if(elem.value.match(alphaExp)){
		return true;
	}else{
		alert(helperMsg);
		elem.focus();
		return false;
	}
}

function isAlphanumeric(elem, helperMsg){
	var alphaExp = /^[0-9a-zA-Z]+$/;
	if(elem.value.match(alphaExp)){
		return true;
	}else{
		alert(helperMsg);
		elem.focus();
		return false;
	}
}

function lengthRestriction(elem, min, max){
	var uInput = elem.value;
	if(uInput.length >= min && uInput.length <= max){
		return true;
	}else{
		alert("Please enter between " +min+ " and " +max+ " characters");
		elem.focus();
		return false;
	}
}

function madeSelection(elem, helperMsg){
	if(elem.value == "Please Choose"){
		alert(helperMsg);
		elem.focus();
		return false;
	}else{
		return true;
	}
}

function emailValidator(elem, helperMsg){
	var emailExp = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/;
	if(elem.value.match(emailExp)){
		return true;
	}else{
		alert(helperMsg);
		elem.focus();
		return false;
	}
}
</script>

<form onsubmit='return formValidator()' >
First Name: <input type='text' id='firstname' /><br />
Last Name: <input type='text' id='lastname' /><br />
Address: <input type='text' id='addr' /><br />
Suburb: <input type='text' id='suburb' /><br />
State: <select id='state'>
	<option>Please Choose</option>
	<option>NSW</option>
	<option>QLD</option>
	<option>SA</option>
	<option>TAS</option>
	<option>VIC</option>
	<option>WA</option>
</select><br />
Post Code: <input type='text' id='postcode' /><br />
Loan Amount: <input type='text' id='loanamount' /><br />
Loan Duration: <input type='text' id='loanduration' /> of years<br />
<input type='submit' value='Check Form' />
</form>