function paymentMethod()
{
	
	var row = document.getElementById("confirmpaymentrow");
	var as = document.getElementById("selectpaymentmethod").value;
	var e = document.getElementById("selectpaymentmethod");
	var paymenttype = e.options[e.selectedIndex].value;
	var submitbutton = document.getElementById("submit");			
	var paypalimage = document.getElementById("paypalimage");			
	
	if(paymenttype == 'inv')
	{
		row.style.display = 'block';
	}
	else
	{
		row.style.display = 'none';
	}
}


    function toggle(rowtoshow)
     {
         //first hide all rows
         
         for (i=1;i<=rowtoshow;i++)
         {
        	eval("document.getElementById(\"therow"+i+"\").style.display=''");
        	$('#therow' + i).append();

         }
         
         for(i=10; i>rowtoshow; i--)
         	{
        	eval("document.getElementById(\"therow"+i+"\").style.display='none'");
        	$('#therow' + i).append();
        	}
         

      }
     
function changetotal()
{
	
	var attendees = parseInt(document.getElementById("attendeecount").value);
	var costper = document.getElementById("costper").value;
	
	
	var attendeecost = attendees * costper;
	
	
	
	var rooms = document.getElementById("roomquantity").value;	
	var checkindate = document.getElementById("checkindate").value;
	var checkoutdate = document.getElementById("checkoutdate").value;
	
	if (checkindate != 0 && checkoutdate != 0)
	
		{
			var nights = checkoutdate - checkindate;
	
			var hotelcost = nights * rooms * 199;	
	
			var totalcost = hotelcost + attendeecost;

		}
	else
	{		
		var totalcost =  attendeecost;
	}	
	
	document.getElementById("totalcost").innerHTML = '$' + totalcost;
	document.getElementById("hiddencostforemail").value = totalcost;

}

function validateform()
{
	var attendees = document.getElementById("attendeecount").value;
		
	var alertmessage = '';
	
	for(i=1; i<=attendees; i++)
	{
		if (document.getElementById("attendeename" + i).value == '')
			{
				alertmessage += "Please enter a name for attendee " + i + "\n";
			}
		
		if(document.getElementById("attendeephone" + i).value == '')
			{
				alertmessage += "Please enter an phone for attendee " + i + "\n";
			}
		
		if(document.getElementById("attendeeorg" + i).value == '')
			{
				alertmessage += "Please enter an organization for attendee " + i + '\n';
			}		
		
		if(document.getElementById("attendeetitle" + i).value == '')
			{
				alertmessage += "Please enter a title for attendee " + i + '\n';
			}		
		
		if(document.getElementById("attendeeemail" + i).value == '')
			{
				alertmessage += "Please enter an email for attendee " + i + '\n';
			}		
	}
	
	
	if(document.getElementById("selectpaymentmethod").value == 'select') 
		{
		
			alertmessage += "Please enter payment method \n";
		}	
	
	
	if(document.getElementById("name").value == '')
		{
		
			alertmessage += "Please enter billing name \n";
		}

	if(document.getElementById("co_name").value == '')
		{
		
			alertmessage += "Please enter billing company \n";
		}
	if(document.getElementById("email").value == '')
		{
		
			alertmessage += "Please enter billing email \n";
		}					
		
	if(document.getElementById("phone").value == '')
		{
		
			alertmessage += "Please enter billing phone \n";
		}
		
	if(document.getElementById("roomquantity").value != 0)	
		{
			if(document.getElementById("checkindate").value >= document.getElementById("checkoutdate").value )
			{
				alertmessage += "The check out date is the same as the check in date \n";
			
			}		
		}
		
			
	//alertmessage = "Please enter an email for attendee";
	
	if(alertmessage !='')
	{
		alert(alertmessage);
		return false;		
	}
	
		return true;

}