// ==UserScript==
// @name           Birthday Pass
// @author         Ben Hollis
// @namespace      http://brh.numbera.com/software/greasemonkeyscripts/
// @description    Automatically fills out and submits those annoying age-check forms. For example, the age-check form at http://www.stubbsthezombie.com/
// @include        *
// @version        2.0 (5-17-2006)
// ==/UserScript==

function submitForm(formElement) {
	var inputElement = formElement;
	
	formElement = formElement.parentNode;
	
	while(typeof(formElement) != 'undefined' && formElement.tagName.toLowerCase() != "form") {
		formElement = formElement.parentNode;
	}	

	if(formElement.name.toLowerCase().indexOf("agegate") < 0 && formElement.id.toLowerCase().indexOf("agegate") < 0 && formElement.action.toLowerCase().indexOf("agegate") < 0 && inputElement.name.toLowerCase().indexOf("agegate") < 0 && inputElement.id.toLowerCase().indexOf("agegate") < 0 && inputElement.className.toLowerCase().indexOf("agegate") < 0) {
		return; //Not an age gate, don't submit
	}

	var submitquery = document.evaluate( "//input[@type='submit']", formElement, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
	
	if(submitquery.snapshotLength > 0) {
		var submitbutton = submitquery.snapshotItem(0);
		
		submitbutton.click();
	}
	else {
		formElement.submit();
	}
}

/* I tested this with www.princeofpersiagame.com and www.stubbsthezombie.com. I'll update it as I find more of these, but if you find one that doesn't work feel free to let me know. */

var birthmonth = document.evaluate( "//select[contains(@name,'month') or contains(@id,'month')]|//input[contains(@name,'month') or contains(@id,'month')]", document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);

if(birthmonth.snapshotLength > 0) {
	var monthSelect = birthmonth.snapshotItem(0);

	monthSelect.value = 1;

	var birthday = document.evaluate( "//select[contains(@name,'day') or contains(@id,'day')]|//input[contains(@name,'day') or contains(@id,'day')]", document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);

	if(birthday.snapshotLength > 0) {
		var daySelect = birthday.snapshotItem(0);
	
		daySelect.value = 1;


		var birthyear = document.evaluate( "//select[contains(@name,'year') or contains(@id,'year')]|//input[contains(@name,'year') or contains(@id,'year')]", document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);

		if(birthyear.snapshotLength > 0) {
			var yearSelect = birthyear.snapshotItem(0);

			yearSelect.value = "1941";

			submitForm(yearSelect);
		}
	}
}


//Gears of War code, pretty crazy
else {
	var birthdatetext = document.evaluate( "//input[@type='text' and (contains(@id, 'birthdate') or contains(@id,'Birthdate') or contains(@id,'BirthDate'))]", document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
	
	if(birthdatetext.snapshotLength > 0) {
		var birthText = birthdatetext.snapshotItem(0);
	
		birthText.value = "01/01/1941";
	
		submitForm(birthText);
	}
}