function validity(){
	if(document.frm.title.value == ""){
		alert("Title field cannot be blank.");
		document.frm.title.focus();
		return (false);
	}
	
	if(document.frm.u.value == ""){
		alert("URL field cannot be blank.");
		document.frm.u.focus();
		return (false);
	}
	
	if(document.frm.cc.value == ""){
		alert("Coupon code field cannot be blank.");
		document.frm.cc.focus();
		return (false);
	}

	if(document.frm.chkUnknown.checked==false){
		if(document.frm.month.value==0){
			alert("Please select month");
			document.frm.month.focus();
			return (false);
		}
		if(document.frm.day.value==0){
			alert("Please select day");
			document.frm.day.focus();
			return (false);
		}
		if(document.frm.year.value==0){
			alert("Please select year");
			document.frm.year.focus();
			return (false);
		}
	}
	
	
	if(document.frm.captcha.value == ""){
		alert("Image verification field cannot be blank.");
		document.frm.captcha.focus();
		return (false);
	}

}

function checkExpDate(){
	if(document.frm.chkUnknown.checked){
		document.frm.month.disabled=true;
		document.frm.day.disabled=true;
		document.frm.year.disabled=true;
		document.frm.counter.value=1;
	}
	if(document.frm.chkUnknown.checked==false){
		document.frm.month.disabled=false;
		document.frm.day.disabled=false;
		document.frm.year.disabled=false;
		document.frm.counter.value=0;
	}
}