/**
* common.js
*
* @version		1.0.1.3
* @update		19:25 2008/04/08
* @lastupdate	----
* @extends		----
*
*/

( function(){

/* ============================================================================== colorRows - 'rowTint'
	Automatic coloured rows | Bite Size Standards
	http://bitesizestandards.com/bites/automatic-coloured-rows
*/
var colorRows = function() {
	var myTR = document.getElementsByTagName('tr');
	for (var i=0;i<myTR.length;i++) {
		if (i%2) {
			myTR[i].className = 'rowTint';
		}
	}
};

/* ============================================================================== initRollovers - 'imgover'
	Standards Compliant Rollover Script
	Author : Daniel Nolan
	http://www.bleedingego.co.uk/webdev.php
*/

var initRollovers = function() {
	if (!document.getElementById) return

	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) {		
		if (aImages[i].className == 'imgover') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_o'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);
		
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
		
			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
		
			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_o'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
};

/* ============================================================================== createExternalLink - 'external'
	Author : Sakai
	Date   : 2008-01-19
*/

var createExternalLink = function() {
	var externalLink = document.getElementsByTagName('a');
	for (var i = 0, len = externalLink.length; i < len; i++) {
		var a = externalLink[i];
		if (a.getAttribute('rel') == 'external') {
			a.title += ' : Open in a New Window';
			a.onclick = function() {
				window.open(this.getAttribute('href'), '_blank');
				return false;
			}
		}
	}
};

/* ============================================================================== formAdjust
	Author : Sakai
	Date   : 2008-03-10

var formAdjust = function() {
	var inputForm = document.getElementsByTagName('input');
	for (var i = 0, len = inputForm.length; i < len; i++) {
		if (inputForm[i].getAttribute('type') == 'text') {
			var inputSize = inputForm[i].size;
			var _classname = inputForm[i].className;
			if ((0 < inputSize) && (inputSize <= 5)) {
				_classname = (_classname != '')? _classname + ' level1 typeText' : 'level1 typeText';
			}
			else if ((5 < inputSize) && (inputSize <= 10)) {
				_classname = (_classname != '')? _classname + ' level2 typeText' : 'level2 typeText';
			}
			else if ((10 < inputSize) && (inputSize <= 40)) {
				_classname = (_classname != '')? _classname + ' level3 typeText' : 'level3 typeText';
			}
			else {
				_classname = (_classname != '')? _classname + ' level4 typeText' : 'level4 typeText';
			}
		}
	}
};

*/

/* ============================================================================== addEvent
*/

function addEvent(elm, listener, fn){
	try{
		elm.addEventListener(listener, fn, false);
	}catch(e){
		elm.attachEvent('on' + listener, fn);
	}
}

addEvent(window, 'load', colorRows);
addEvent(window, 'load', initRollovers);
//addEvent(window, 'load', formAdjust);
addEvent(window, 'load', createExternalLink);

}) ();

/* ============================================================================== smooth scroll
	with prototype.js + effects.js
*/

Event.observe(window, 'load', function() {
	$$('a[href^=#]:not([href=#])').each(function(element) {
		element.observe('click', function(event) {
		new Effect.ScrollTo(this.hash.substr(1));
		Event.stop(event);
	}.bindAsEventListener(element))
	})
});