// JavaScript Document
function checkContractFilter(form)
{
    if (form.end_date.value <= form.start_date.value)
    {
        alert('The start date must be equal or greater then the end date');
    } else
      form.submit();
}

function checkChangeContract(form)
{
  	var fouten = "The following error(s) were found:\n\n";
  	var fout = false;
  	
  	if (form.stylist_id.value == 0)
  	{
  	   fout = true;
  	   fouten = fouten + "Please select a stylist\n";
    }
    if (form.amount.value == "")
    {
        fout = true;
        fouten = fouten + "The amount is missing\n";
    } else
    if (isNaN(form.amount.value))
    {
        fout = true;
        fouten = fouten + "The amount is not a numerical value\n";
    }
    if (form.subscription_id.value == 0)
    {
        fout = true;
        fouten = fouten + "Please select a subscription\n";
    }
    if (form.end.value <= form.start.value)
    {
  	   fout = true;
  	   fouten = fouten + "The start date must be before the end date\n";
    }
    
    
  	if (fout)
  		alert(fouten);
  	else
  		form.submit();
}