function fnValidate(strForm)
{

	var objForm;
	objForm=eval("document."+strForm);
	
	//alert(objForm.name);
	
	if(isNaN(objForm.txtCouponNo.value))
		{
			alert("Please enter numerals");
			objForm.txtCouponNo.focus();
			return false;
		}
	if(objForm.txtCouponNo.value=='150376')
		{
			
			return true;
		}	
	else
		{
			alert("Please check the number you have entered");
			objForm.txtCouponNo.select();
			objForm.txtCouponNo.focus();
			return false;
		}	
}