/***********************************************
* Jquery link types script
***********************************************/


$(document).ready(function(){

	$("a[@href$=pdf]").addClass("pdf")
		.attr({ target: "_blank" });
		
	$("a[@href$=doc]").attr({ target: "_blank" });
		
    $("a[@href^='http']").attr('target','_blank');

});


/***********************************************
* Toggle Layer script
***********************************************/


function toggleLayer(whichLayer)
{
	if (document.getElementById)
	{
		// this is the way the standards work
		var style2 = document.getElementById(whichLayer).style;
		style2.display = style2.display? "":"block";
	}
	else if (document.all)
	{
		// this is the way old msie versions work
		var style2 = document.all[whichLayer].style;
		style2.display = style2.display? "":"block";
	}
	else if (document.layers)
	{
		// this is the way nn4 works
		var style2 = document.layers[whichLayer].style;
		style2.display = style2.display? "":"block";
	}
}

/***********************************************
* Email a friend script
***********************************************/

function EmailLink(){
window.location = "mailto:"+"?subject=Australian Society of Exploration Geophysicists Conference 2011: I thought this link might interest you." + "&body= "+document.title+"  "+window.location;
}

// =========================================================

// jq-innerfade.js

// Datum: 2006-09-01
// Firma: Medienfreunde Hofmann & Baldes GbR
// Autor: Torsten Baldes
// Mail: t.baldes@medienfreunde.com
// Web: http://medienfreunde.com

// based on the work of Matt Oakes http://portfolio.gizone.co.uk/applications/slideshow/

// =========================================================


$.fn.innerfade = function(options) {
	return this.each(function(){ 	
		
		var settings = {
			speed: 'normal',
			timeout: 2000,
			type: 'sequence',
			containerheight: 'auto'
		}
		
		if(options)
			$.extend(settings, options);
		
		var elements = $(this).children().get();
	
		if (elements.length > 1) {
		
			$(this).parent().css('position', 'relative');
	
			$(this).css('height', settings.containerheight);
			
			for ( var i = 0; i < elements.length; i++ ) {
				$(elements[i]).css('z-index', elements.length - i).css('position', 'absolute');
				$(elements[i]).hide();
			}
		
			if ( settings.type == 'sequence' ) {
				setTimeout(function(){
					$.innerfade.next(elements, settings, 1, 0);
				}, settings.timeout);
				$(elements[0]).show();
			}
			else if ( settings.type == 'random' ) {
				setTimeout(function(){
					do { current = Math.floor ( Math.random ( ) * ( elements.length ) ); } while ( current == 0 )
					$.innerfade.next(elements, settings, current, 0);
				}, settings.timeout);
				$(elements[0]).show();
			}
			else {
				alert('type must either be \'sequence\' or \'random\'');
			}
			
		}
		
	});
};


$.innerfade = function() {}
$.innerfade.next = function (elements, settings, current, last) {

	$(elements[last]).fadeOut(settings.speed);
	$(elements[current]).fadeIn(settings.speed);
	
	if ( settings.type == 'sequence' ) {
		if ( ( current + 1 ) < elements.length ) {
			current = current + 1;
			last = current - 1;
		}
		else {
			current = 0;
			last = elements.length - 1;
		}
	}
	else if ( settings.type == 'random' ) {
		last = current;
		while (	current == last ) {
			current = Math.floor ( Math.random ( ) * ( elements.length ) );
		}
	}
	else {
		alert('type must either be \'sequence\' or \'random\'');
	}
	setTimeout((function(){$.innerfade.next(elements, settings, current, last);}), settings.timeout);
}