function FinanceZipCheck(){
    var val=true; 

            var zipFrm = document.forms['financing'];             
            var zipFromForm = zipFrm.zipcode.value;

            for (var i=0; i<zipFromForm.length;i++) {
        	    if (zipFromForm.substring(i,i+1) < "0" || zipFromForm.substring(i,i+1) > "9") {
        		    val = false;
        		    break;
        	    }
            }
            if (zipFromForm.length < 5)
                val = false;
			if (val) {
				zipFrm.action="/auto-loans/finance-app?zipcode=" + zipFromForm;
				zipFrm.submit();
			}else if(zipFromForm.length == null || zipFromForm.length =="" ){
				zipFrm.action="/auto-loans/finance-app";
				zipFrm.submit();
			}else{
				alert("Please enter valid 5 digit ZIP. ");
            }
}