var req_text = '';

function warn () {
	if (location.search) {
		pairs = location.search.substr(1).split('&');
		warnings = [];
		for (var i = 0; i < pairs.length; i++) {
			pair = pairs[i].split('=');
			name = pair[0];
			value = pair[1];
			if (name == 'missing') {
				string = 'Please complete the following fields:<br />' +
					'&nbsp;&nbsp;' + value.split(',').join('<br />&nbsp;&nbsp;');
				warnings.push(decodeURI(string));
			}
			else if (name == 'invalid') {
				warnings.push(decodeURI('Your ' + value + ' is invalid.'));
			}
			else if (name == 'code') {
				document.forms['form1'].elements['code'].value = decodeURI(value);
			}
			else if (name == 'cookie') {
				warnings.push(decodeURI(value));
				if (document.cookie) {
					warnings.push('Error: ' + document.cookie);
				}
				warnings.push('Please quit your browser and try again, try with a ' +
					'different browser, and/or contact bigshot studio for help.');
			}
			else if (name == 'req') {
				req_text = 'req=' + value;
			}
			else if (name == 'other') {
				warnings.push(decodeURI(value));
			}
		}
		if (warnings.length) {
			document.getElementById("warnings").innerHTML = warnings.join('<br />');
		}
	}
}

function clear_cookie () {
	var exp = new Date();
	exp.setFullYear(exp.getFullYear() - 1);
	document.cookie = 'code=0; expires=' + exp.toUTCString();
	document.cookie = 'id=0; expires=' + exp.toUTCString();
}