var nMonload = window.onload;
window.onload = function()
{
    if(nMonload) nMonload();
    if(!/support_nancy$/.test(window.location)) return false;
    
    var form = document.getElementsByTagName('form')[0];
    if(!form) return;
    form.onsubmit = function()
    {
	var ok = true;

	var inputs = this.getElementsByTagName('input');
	var re = /\w/;
	
	for(var i = 0, input; input = inputs[i]; i++)
	{
	    switch(input.name)
	    {
		case 'os0':
		case 'os1':
		case 'amount':
		    ok &= re.test(input.value);
		    break;
		default:
		    continue;
	    }
	}	

	if(ok) return true;
	alert('Please fill out all fields. Thank you.');	
	return false;
    };
}