function chk_form(formName, obj, btn){
var sType
	for (i=0; i < btn.length; i+=1) {
		for (j=0; j < obj.length; j+=1) {
			if (document.forms[formName].elements[obj[j]].value == "") {
				document.forms[formName].elements[btn[i]].disabled=true;
				document.forms[formName].elements[obj[j]].focus;
				sType = false ;		
				// found an empty field in form return false;
				return false;
			}
			else
			{
			document.forms[formName].elements[btn[i]].disabled=false;
				sType = true ;	
			}
		}
	 }
	
  return sType ;	
}

function chk_formDisp(formName, obj, btn, sDiv){
var sType
	for (i=0; i < btn.length; i+=1) {	
		for (j=0; j < obj.length; j+=1) {
			var aDiv = sDiv[j];
			if (document.forms[formName].elements[obj[j]].value == "") {
				document.forms[formName].elements[obj[j]].focus;
				document.forms[formName].elements[btn[i]].disabled=true;
				sType = false;		
				//aDiv = 'div_FirstName';
				document.getElementById(aDiv).innerHTML = '*';
				// found an empty field in form return false;
				return false;
			}
			else
			{
				document.forms[formName].elements[btn[i]].disabled=false;
				document.getElementById(aDiv).innerHTML = '';
				sType = true;
			}
		}
	 }
  return sType ;	
}


function chk_email(formName, txtEmail, aDiv, btn){
var email	
	email = document.forms[formName].elements.txtEmail
	if (email.value.length > 1 ) {
		if (email.value.indexOf("@", 0) < 0)
		{
			//window.alert("Please enter a valid e-mail address.");
			document.getElementById(aDiv).innerHTML = 'Not Valid.';
			email.focus();
			return false;
			document.forms[formName].elements[btn[i]].disabled=true;
		}
		if (email.value.indexOf(".", 0) < 0)
		{
			//window.alert("Please enter a valid e-mail address.");
			document.getElementById(aDiv).innerHTML = 'Not Valid.';
			email.focus();
			return false;
			document.forms[formName].elements[btn[i]].disabled=true;
		}
		else
		{
		//document.forms[formName].elements[btn[i]].disabled=false;	
		}
	}
	else
	{
		document.getElementById(aDiv).innerHTML = '*';
		document.forms[formName].elements[btn[i]].disabled=true;	
	}
}

function chk_isNum(formName, txtVal, aDiv){
	
var val	
	val = document.forms[formName].elements.txtVal;
	window.alert(val);
	if (isNaN(val)) {
		//window.alert("Must contain a number.");
		//val.focus();
		return false;
	}
}


function stateVisible(formName, bill) {

		if (document.forms[formName].cboCountry.value == "Australia"){
			document.getElementById(bill).style.visibility = 'visible';
		}
			else
			{
				document.getElementById(bill).style.visibility = 'hidden';
			}	
}