function checkZipCode(metroArea) {	
	
	var check = new Check;
	var zipCode = document.getElementById("zipCode").value;			
	var category = document.getElementById("jobCategory").value;		
	var status = true;		
	if(!check.required(category)){
		document.getElementById("jobCategory_message").innerHTML = 'The Job Category field is not selected.';		
		status = false;				
	}			
	if(!check.required(zipCode) || !check.numeric(zipCode) || !check.countNumeric(zipCode)) {					
		document.getElementById("zipCode_message").innerHTML = 'The Zip Code field is not correct.';
		status = false;		
	}			
	if(status == true){
		if(metroArea)
			document.getElementById("checkMetroArea").value = 1;
		document.getElementById("searchParameters").submit();
	}
	else
		return false;	
}