/*-------------------------------------------------
Title:		CoC RPTT JavaScript Utilities
Updated:	December 18 2008
------------------------------------------------- */





// add load event function
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}



/*
    returns array with all elements with specified class name
	Developed by Robert Nyman, http://www.robertnyman.com
	Code/licensing: http://code.google.com/p/getelementsbyclassname/
*/ 
var getElementsByClassName = function (className, tag, elm){
	if (document.getElementsByClassName) {
		getElementsByClassName = function (className, tag, elm) {
			elm = elm || document;
			var elements = elm.getElementsByClassName(className),
				nodeName = (tag)? new RegExp("\\b" + tag + "\\b", "i") : null,
				returnElements = [],
				current;
			for(var i=0, il=elements.length; i<il; i+=1){
				current = elements[i];
				if(!nodeName || nodeName.test(current.nodeName)) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	else if (document.evaluate) {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = "",
				xhtmlNamespace = "http://www.w3.org/1999/xhtml",
				namespaceResolver = (document.documentElement.namespaceURI === xhtmlNamespace)? xhtmlNamespace : null,
				returnElements = [],
				elements,
				node;
			for(var j=0, jl=classes.length; j<jl; j+=1){
				classesToCheck += "[contains(concat(' ', @class, ' '), ' " + classes[j] + " ')]";
			}
			try	{
				elements = document.evaluate(".//" + tag + classesToCheck, elm, namespaceResolver, 0, null);
			}
			catch (e) {
				elements = document.evaluate(".//" + tag + classesToCheck, elm, null, 0, null);
			}
			while ((node = elements.iterateNext())) {
				returnElements.push(node);
			}
			return returnElements;
		};
	}
	else {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = [],
				elements = (tag === "*" && elm.all)? elm.all : elm.getElementsByTagName(tag),
				current,
				returnElements = [],
				match;
			for(var k=0, kl=classes.length; k<kl; k+=1){
				classesToCheck.push(new RegExp("(^|\\s)" + classes[k] + "(\\s|$)"));
			}
			for(var l=0, ll=elements.length; l<ll; l+=1){
				current = elements[l];
				match = false;
				for(var m=0, ml=classesToCheck.length; m<ml; m+=1){
					match = classesToCheck[m].test(current.className);
					if (!match) {
						break;
					}
				}
				if (match) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	return getElementsByClassName(className, tag, elm);
};





// prepares links based on XML "rel" attribute
function prepareLinks() {
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	
	for (var i=0; i<anchors.length; i++) {
		var anchor = anchors[i];
		
		// prepare external links
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") {
			anchor.target = "_blank";
		}

		// prepare close window links
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "close") {
			anchor.onclick = function() {
				window.close();
			}
		}

		// prepare print window links
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "print") {
			anchor.onclick = function() {
				window.print();
			}
		}
	}
}




// prepares form inputs
function prepareInputs() {
	if (!document.getElementById) return;
	
	var inputs = getElementsByClassName('erase');
	
	for (var i=0; i<inputs.length; i++) {
		var input = inputs[i];
		var value = input.value;
		
		input.onfocus = function() {
			if(value == input.value) {
				input.value = '';
				input.style.color = '#000';
			}
		}

		input.onblur = function() {
			if(input.value == '') {
				input.value = value;
				input.style.color = '#999';
			}
		}
	}
}




// prepares tab navigation
function prepareTabs() {
	if (!document.getElementById) return;
	
	var navs = getElementsByClassName('tabs');
	var details = getElementsByClassName('detail');
	
	if(navs.length > 0) {
	
		// get the tabs
		for (var i=0; i<navs.length; i++) {
			var tabs = navs[i].getElementsByTagName('LI');
		}

		// get the links
		for (var i=0; i<navs.length; i++) {
			var links = navs[i].getElementsByTagName('A');
		}
		
		for (var i=0; i<links.length; i++) {
			
			links[i].onclick = function() {
				// parse the URL
				var ids = this.href.split('#');
				
				if(ids[1]) {
					// mute tabs
					for (var i=0; i<tabs.length; i++) {
						tabs[i].className = '';
					}
					
					// active the tab!
					this.parentNode.className = 'active';
					
					// hide other detail elements
					for (var i=0; i<details.length; i++) {
						details[i].style.display = 'none';
					}
					
					// show the active detail element
					document.getElementById(ids[1]).style.display = 'block';
					
					this.blur();
					
					return false;
				}
			}
		}
	}
}









// parses out the query string fron the URL to show the proper section.
function showActive() {
	if (!document.getElementById) return;
	
	var theDiv = window.location.href.slice(window.location.href.indexOf('#') + 1);
	
	if(window.location.href.indexOf('#')>0) {

		var navs = getElementsByClassName('tabs');
		
		if(navs.length>0) {
			var details = getElementsByClassName('detail');
			
			// hide other detail elements
			for (var i=0; i<details.length; i++) {
				details[i].style.display = 'none';
			}
			
			// show the active detail element
			document.getElementById(theDiv).style.display = 'block';
		}
		
		// get the tabs
		for (var i=0; i<navs.length; i++) {
			var tabs = navs[i].getElementsByTagName('LI');
		}
		
		// mute tabs
		for (var i=0; i<tabs.length; i++) {
			tabs[i].className = '';
		}
		
		// get the links
		for (var i=0; i<navs.length; i++) {
			var links = navs[i].getElementsByTagName('A');
		}
		
		for (var i=0; i<links.length; i++) {
			var hashes = links[i].href.split('#');
			if(hashes[1]==theDiv) {
				links[i].parentNode.className = 'active';
			}
		}
	}
}











// verifies form by id
function verify(formid) {
	if(document.getElementById(formid)) {
		var theForm = document.getElementById(formid);
		var error = 0;
		
		for (x = 0; x < theForm.elements.length; x++) {
			if (theForm.elements[x].className == "required") {
				if (theForm.elements[x].type == "text" || theForm.elements[x].type == "password") {
					if (theForm.elements[x].value == "") {
						theForm.elements[x].parentNode.className = 'error';
						error = 1;
					} else {
						theForm.elements[x].parentNode.className = '';
					}
				}
			}
		}
		
		if (error == 1) {
			alert("You must fill out all required fields before you can submit the form.");
			return false;
		}
	}
}




// simple function to return an element's id
function get(id) {
	return document.getElementById(id);
}




// simple show
function show(id) {
	if (!document.getElementById) return;
		
	var element = document.getElementById(id);
	
	if( (element.nodeName == 'INPUT') || (element.nodeName == 'SPAN') ) {
		element.style.display = 'inline';
	}
	
	else if(navigator.appName.indexOf("Microsoft") > -1) {
		element.style.display = 'block';
	}

	else {
		if(element.nodeName == 'TABLE') {
			element.style.display = 'table';
		}
		
		else if(element.nodeName == 'TR') {
			element.style.display = 'table-row';
		}

		else if(element.nodeName == 'TBODY') {
			element.style.display = 'table-row-group';
		}
		
		else {
			element.style.display = 'block';
		}
	}
}






// simple hide
function hide(id) {
	if (!document.getElementById) return;
		
	var element = document.getElementById(id);
	
	if(element) {
		element.style.display = 'none';
	}
	else {
		id.style.display = 'none';
	}
}




// simple "masking" function
function mask(id) {
	if (!document.getElementById) return;
		
	var element = document.getElementById(id);
	
	element.style.visibility = 'hidden';
}




// simple "un-masking" function
function unmask(id) {
	if (!document.getElementById) return;
		
	var element = document.getElementById(id);
	
	element.style.visibility = 'visible';
}




// popup function
function popup(url,w,h,type) {
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	var popupProps = 'width='+w+',height='+h+',left='+winl+',top='+wint;
	
	switch(type) {
		case 'full':
			popupProps += 'resizable=yes,status=1,menubar=1,toolbar=1,scrollbars=1,location=1,directories=1';
			break; 
		
		case 'basic':
			popupProps += 'resizable=yes,toolbar=1,scrollbars=1,location=1';
			break; 
		
		case 'scroll':
			popupProps += 'scrollbars=1';
			break;
		
		default:
			popupProps += '';
	}
	
	window.open(url,'popup',popupProps);
}




// toggle help messages
function toggleMsg(id) {
	element	= document.getElementById(id);

	if(element.style.visibility!='hidden') {
		element.style.visibility='hidden';
	}
	else {
		element.style.visibility='visible';
	}
}




// toggle function
function toggle(id,select,condition) {
	if (!document.getElementById) return;
		
	var element = document.getElementById(id);
	
	if(select) {
		if(select.value == condition) {
			if(navigator.appName.indexOf("Microsoft") > -1) {
				element.style.display = 'block';
			}
	
			else {
				if(element.nodeName == 'TBODY') {
					element.style.display = 'table-row-group';
				}
				
				else {
					element.style.display = 'block';
				}
			}
		}
		
		else {
			element.style.display = 'none';
		}
	} else {
		if(element.style.display == 'none') {
			if(navigator.appName.indexOf("Microsoft") > -1) {
				element.style.display = 'block';
			}
	
			else {
				if(element.nodeName == 'TABLE') {
					element.style.display = 'table';
				}
				
				else if(element.nodeName == 'TR') {
					element.style.display = 'table-row';
				}
		
				else if(element.nodeName == 'TBODY') {
					element.style.display = 'table-row-group';
				}
				
				else if( (element.nodeName == 'INPUT') || (element.nodeName == 'SELECT') || (element.nodeName == 'LABEL') ) {
					element.style.display = 'inline';
				}
				
				else {
					element.style.display = 'block';
				}
			}
		} else {
			element.style.display = 'none';
		}
	}
}





// toggle check boxes
function checkUncheckAll(theElement) {
	var theForm = theElement.form, z = 0;
	for(z=0; z<theForm.length;z++){
		if(theForm[z].type == 'checkbox' && theForm[z].name != 'checkall') {
			theForm[z].checked = theElement.checked;
		}
	}
}





// toggle check boxes
function checkUncheckSome(controller,theElements) {
	//Programmed by Shawn Olson
	//Copyright (c) 2006-2007
	//Updated on August 12, 2007
	//Permission to use this function provided that it always includes this credit text
	//  http://www.shawnolson.net
	//Find more JavaScripts at http://www.shawnolson.net/topics/Javascript/
	
	//theElements is an array of objects designated as a comma separated list of their IDs
	//If an element in theElements is not a checkbox, then it is assumed
	//that the function is recursive for that object and will check/uncheck
	//all checkboxes contained in that element

	var formElements = theElements.split(',');
	var theController = document.getElementById(controller);
	for(var z=0; z<formElements.length;z++) {
		theItem = document.getElementById(formElements[z]);
		if(theItem.type) {
			if (theItem.type=='checkbox') {
				theItem.checked=theController.checked;
			}
		} else {
		  theInputs = theItem.getElementsByTagName('input');
			for(var y=0; y<theInputs.length; y++) {
				if(theInputs[y].type == 'checkbox' && theInputs[y].id != theController.id) {
					theInputs[y].checked = theController.checked;
				}
			}
		}
	}
}




// help IE6 out with dropdown menus
sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
	
	var cells = document.getElementsByTagName('TD');
	for (var i=0; i<cells.length; i++) {
		cells[i].onmouseover = function() {
			if(this.parentNode.parentNode.parentNode.className == 'data' || this.parentNode.parentNode.parentNode.className == 'data tickets') {
				this.parentNode.className+=" hover";
			}
		}

		cells[i].onmouseout = function() {
			if(this.parentNode.parentNode.parentNode.className == 'data' || this.parentNode.parentNode.parentNode.className == 'data tickets') {
				
				this.parentNode.className=this.parentNode.className.replace(new RegExp(" hover\\b"), "");
			}
		}
	}
}
// IE exclusive method for binding an event
if (window.attachEvent) window.attachEvent("onload", sfHover);





// load events
addLoadEvent(showActive);
addLoadEvent(prepareLinks);
addLoadEvent(prepareTabs);