function ValidateCalculateData() {
   var CanSubmit = false;
   var errormessage = "Please make sure that you have filled in the following fields before clicking Calculate:\n\n"

   CanSubmit = ForceEntry(document.forms[0].txtWidth);
   if (CanSubmit == false) 
	{
		errormessage += "The width of your room.\n";
	}
   CanSubmit = ForceEntry(document.forms[0].txtLength);
   if (CanSubmit == false) 
	{
		errormessage += "The length of your room.\n";
	}
	CanSubmit = isInteger(document.forms[0].txtWidth);
   if (CanSubmit == false) 
	{
		errormessage += "Please enter only a number for the width of the room.\n";
	}
   CanSubmit = isInteger(document.forms[0].txtLength);
   if (CanSubmit == false) 
	{
		errormessage += "Please enter only a number for the length of the room.\n";
	}

   if (errormessage == 'Please make sure that you have filled in the following fields before clicking Calculate:\n\n')
   {
	return true;
   }
   else 
   {
	alert(errormessage)
	return false;
   }
}

function Calculate()
{
	var width,length = new String;
	width = document.forms[0].txtWidth.value;
	length = document.forms[0].txtLength.value
	
	location.href = "airconwizard.aspx?Width="+ width +"&Length="+ length
}