// plantbiosecurity.edu.au global javascript

/*
=======================================================================
Title: Show/hide
Use: Show/hide FAQ uses jQuery cookie plugin above to remember setting
Documentation URL: http://andylangton.co.uk/articles/javascript/jquery-accessible-show-hide/
======================================================================= 
*/
// this tells jquery to run the function below once the DOM is ready
$(document).ready(function() {

    // choose text for the show/hide link 
    var showText="Frequently Asked Questions +";
    var hideText="Frequently Asked Questions -";

    // create the toggle link
    $("p#moreaboutprogram").after("<p class='toggle' id='gotofaq'><a href='#faq' class='linkbtn' id='toggle_link' title='Frequently Asked Questions'>"+showText+"</a></p>");

    // hide the content (or show)
    $('#faq').hide();
    

    // capture clicks on the newly created link
    $('a#toggle_link').click(function() {

        // change the link text
        if ($('a#toggle_link').text()==showText) {
            $('a#toggle_link').text(hideText);
            // $('div.imagebox').toggleClass('prefix_9'); // http://api.jquery.com/toggleClass/
        }
        else {
            $('a#toggle_link').text(showText);
            // $('div.imagebox').toggleClass('prefix_9'); // http://api.jquery.com/toggleClass/
        }

        // toggle the display
        $('#faq').toggle('medium');

        // return false so any link destination is not followed
        return false;
    });

});

/*
=======================================================================
Title: jQuery Color Animations
Use: Highlight any named anchors on the page automatically with a fading yellow background 
Documentation URL: http://plugins.jquery.com/project/color
Copyright 2007 John Resig - Released under the MIT and GPL licenses.
======================================================================= */
(function(jQuery){

	// We override the animation for all of these color styles
	jQuery.each(['backgroundColor', 'borderBottomColor', 'borderLeftColor', 'borderRightColor', 'borderTopColor', 'color', 'outlineColor'], function(i,attr){
		jQuery.fx.step[attr] = function(fx){
			if ( fx.state == 0 ) {
				fx.start = getColor( fx.elem, attr );
				fx.end = getRGB( fx.end );
			}

			fx.elem.style[attr] = "rgb(" + [
				Math.max(Math.min( parseInt((fx.pos * (fx.end[0] - fx.start[0])) + fx.start[0]), 255), 0),
				Math.max(Math.min( parseInt((fx.pos * (fx.end[1] - fx.start[1])) + fx.start[1]), 255), 0),
				Math.max(Math.min( parseInt((fx.pos * (fx.end[2] - fx.start[2])) + fx.start[2]), 255), 0)
			].join(",") + ")";
		}
	});

	// Color Conversion functions from highlightFade
	// By Blair Mitchelmore
	// http://jquery.offput.ca/highlightFade/

	// Parse strings looking for color tuples [255,255,255]
	function getRGB(color) {
		var result;

		// Check if we're already dealing with an array of colors
		if ( color && color.constructor == Array && color.length == 3 )
			return color;

		// Look for rgb(num,num,num)
		if (result = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(color))
			return [parseInt(result[1]), parseInt(result[2]), parseInt(result[3])];

		// Look for rgb(num%,num%,num%)
		if (result = /rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(color))
			return [parseFloat(result[1])*2.55, parseFloat(result[2])*2.55, parseFloat(result[3])*2.55];

		// Look for #a0b1c2
		if (result = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(color))
			return [parseInt(result[1],16), parseInt(result[2],16), parseInt(result[3],16)];

		// Look for #fff
		if (result = /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(color))
			return [parseInt(result[1]+result[1],16), parseInt(result[2]+result[2],16), parseInt(result[3]+result[3],16)];

		// Otherwise, we're most likely dealing with a named color
		return colors[jQuery.trim(color).toLowerCase()];
	}
	
	function getColor(elem, attr) {
		var color;

		do {
			color = jQuery.curCSS(elem, attr);

			// Keep going until we find an element that has color, or we hit the body
			if ( color != '' && color != 'transparent' || jQuery.nodeName(elem, "body") )
				break; 

			attr = "backgroundColor";
		} while ( elem = elem.parentNode );

		return getRGB(color);
	};
	
	// Some named colors to work with
	// From Interface by Stefan Petre
	// http://interface.eyecon.ro/

	var colors = {
		aqua:[0,255,255],
		azure:[240,255,255],
		beige:[245,245,220],
		black:[0,0,0],
		blue:[0,0,255],
		brown:[165,42,42],
		cyan:[0,255,255],
		darkblue:[0,0,139],
		darkcyan:[0,139,139],
		darkgrey:[169,169,169],
		darkgreen:[0,100,0],
		darkkhaki:[189,183,107],
		darkmagenta:[139,0,139],
		darkolivegreen:[85,107,47],
		darkorange:[255,140,0],
		darkorchid:[153,50,204],
		darkred:[139,0,0],
		darksalmon:[233,150,122],
		darkviolet:[148,0,211],
		fuchsia:[255,0,255],
		gold:[255,215,0],
		green:[0,128,0],
		indigo:[75,0,130],
		khaki:[240,230,140],
		lightblue:[173,216,230],
		lightcyan:[224,255,255],
		lightgreen:[144,238,144],
		lightgrey:[211,211,211],
		lightpink:[255,182,193],
		lightyellow:[255,255,224],
		lime:[0,255,0],
		magenta:[255,0,255],
		maroon:[128,0,0],
		navy:[0,0,128],
		olive:[128,128,0],
		orange:[255,165,0],
		pink:[255,192,203],
		purple:[128,0,128],
		violet:[128,0,128],
		red:[255,0,0],
		silver:[192,192,192],
		white:[255,255,255],
		yellow:[255,255,0]
	};
	
})(jQuery);


/*
=======================================================================
Title: Highlighting Named Anchors with jQuery
Use: Highlight any named anchors on the page automatically with a fading yellow background 
Documentation URL: http://lincolnloop.com/blog/2009/apr/17/highlighting-named-anchors-jquery/ 
======================================================================= 
*/
$(document).ready(function(){

    // highlight and fade background on named anchors
    $("tr:even").addClass("alt");

    // highlight and fade background on named anchors
    // requires jquery.color.js http://plugins.jquery.com/project/color
    function highlight(elemId){
        var elem = $(elemId);
        elem.css("backgroundColor", "#ffffff"); // hack for Safari
        elem.animate({ backgroundColor: '#ffffaa' }, 100);
        setTimeout(function(){$(elemId).animate({ backgroundColor: "#ffffff" }, 2000)},1000);
    }

    if (document.location.hash) {
        highlight(document.location.hash);
    }
    $('a[href*=#]').click(function(){
        var elemId = '#' + $(this).attr('href').split('#')[1];
        highlight(elemId);
    });

});


/*
=======================================================================
jQuery textarea resizer plugin
http://plugins.jquery.com/node/1312
======================================================================= 
*/
(function($){var textarea,staticOffset;var iLastMousePos=0;var iMin=32;var grip;$.fn.TextAreaResizer=function(){return this.each(function(){textarea=$(this).addClass('processed'),staticOffset=null;$(this).wrap('<div class="resizable-textarea"><span></span></div>').parent().append($('<div class="grippie"></div>').bind("mousedown",{el:this},startDrag));var grippie=$('div.grippie',$(this).parent())[0];grippie.style.marginRight=(grippie.offsetWidth-$(this)[0].offsetWidth)+'px'})};function startDrag(e){textarea=$(e.data.el);textarea.blur();iLastMousePos=mousePosition(e).y;staticOffset=textarea.height()-iLastMousePos;textarea.css('opacity',0.25);$(document).mousemove(performDrag).mouseup(endDrag);return false}function performDrag(e){var iThisMousePos=mousePosition(e).y;var iMousePos=staticOffset+iThisMousePos;if(iLastMousePos>=(iThisMousePos)){iMousePos-=5}iLastMousePos=iThisMousePos;iMousePos=Math.max(iMin,iMousePos);textarea.height(iMousePos+'px');if(iMousePos<iMin){endDrag(e)}return false}function endDrag(e){$(document).unbind('mousemove',performDrag).unbind('mouseup',endDrag);textarea.css('opacity',1);textarea.focus();textarea=null;staticOffset=null;iLastMousePos=0}function mousePosition(e){return{x:e.clientX+document.documentElement.scrollLeft,y:e.clientY+document.documentElement.scrollTop}}})(jQuery);
/* jQuery textarea resizer plugin initialization */
$(document).ready(function() {
	$('textarea:not(.processed)').TextAreaResizer();
    // $('iframe:not(.processed)').TextAreaResizer();
});