function ValidPhone(sPhone)
{
    var bValid;

    bValid = true;

    if(sPhone.length < 10) {
        bValid = false;
    }
    else {
        for(i = 0; i < sPhone.length; i++) {
            if((sPhone.charAt(i) < "0" || sPhone.charAt(i) > "9") && (sPhone.charAt(i) != " " && sPhone.charAt(i) != "-")) {
                bValid = false;
                break;
            }
        }
    }

    return bValid;
}

function CheckForm()
{
			var bOK;
			var obj;
			var strCheck;
			var i;
			
			obj = document.forms['0'];
			bOK=true;

    bOK = true;
    obj = document.forms['callback'];

    
	if(obj.fullname.value == "") {
        alert("Form Help\n===================\nPlease supply your name\nso we can contact you later");
        obj.fullname.focus();
        bOK = false;
    }


     else if((obj.telephone.value == "") || (ValidPhone(obj.telephone.value) == false)) {
        alert("Form Help\n===================\nPlease supply your telephone\nnumber so we can contact you");
        obj.telephone.focus();
        bOK = false;
    }


    return bOK;
    }