function popup(datei,name,breite,hoehe,noresize)
{ 
	var posX=(screen.availWidth-breite)/2;
	var posY=(screen.availHeight-hoehe)/2;
	var resizable = (noresize==1) ? 0 : 1;
	window.open(datei,name,"resizable="+resizable+",scrollbars=1,width=" + breite + ",height=" + hoehe + "screenX=" + posX + ",screenY=" + posY + ",left=" + posX + ",top=" + posY + "");
}


function galpop(datei,name,breite,hoehe,noresize)
{ 
	var posX=(screen.availWidth-breite)/2;
	var posY=(screen.availHeight-hoehe)/2;
	var resizable = (noresize==1) ? 0 : 1;
	var scrollbar = (document.all) ? 0 : 1;
	window.open(datei,name,"resizable="+resizable+",scrollbars="+scrollbar+",width=" + breite + ",height=" + hoehe + "screenX=" + posX + ",screenY=" + posY + ",left=" + posX + ",top=" + posY + "");
}


function textCounter(field, countfield, maxlimit)
{ 
	if (field.value.length > maxlimit)
	{ 
		field.value = field.value.substring(0, maxlimit);
	} else { 
		countfield.value = maxlimit - field.value.length;
	}
}


function elemX (element) {
	var x = 0;
	while (element) {
		x += element.offsetLeft;
		element = element.offsetParent;
	}
	return x;
}

function elemY (element) {
	var y = 0;
	while (element) {
		y += element.offsetTop;
		element = element.offsetParent;
	}
	return y;
}

function getWidth (element) {
	return element.offsetWidth;
}

function getHeight (element) {
	return element.offsetHeight;
}

function elemObj(elementId) {
	if (document.all)
		return document.all[elementId];
	else if (document.getElementById)
		return document.getElementById(elementId);
	else
		return null;
}


function show_hide_text(divObj,text) {
    var div = divObj.parentNode.getElementsByTagName('div')[1];
    if (div.style.display == 'none') {
        div.style.display = 'block';
        divObj.innerHTML = text;
    } else {
        div.style.display = 'none';
        divObj.innerHTML = text;
    }
}


$(document).ready(function() {		
	
	//Execute the slideShow
	slideShow();

});

function slideShow() {

	//Set the opacity of all images to 0
	$('#gallery a').css({opacity: 0.0});
	
	//Get the first image and display it (set it to full opacity)
	$('#gallery a:first').css({opacity: 1.0});
	
	//Set the caption background to semi-transparent
	$('#gallery .caption').css({opacity: 0.0});

	//Resize the width of the caption according to the image width
	$('#gallery .caption').css({width: $('#gallery a').find('img').css('width')});
	
	//Get the caption of the first image from REL attribute and display it
	$('#gallery .content').html($('#gallery a:first').find('img').attr('rel'))
	.animate({opacity: 0.0}, 400);
	
	//Call the gallery function to run the slideshow, 6000 = change to next image after 6 seconds
	setInterval('gallery()',6000);
	
}

function gallery() {
	
	//if no IMGs have the show class, grab the first image
	var current = ($('#gallery a.show')?  $('#gallery a.show') : $('#gallery a:first'));

	//Get next image, if it reached the end of the slideshow, rotate it back to the first image
	var next = ((current.next().length) ? ((current.next().hasClass('caption'))? $('#gallery a:first') :current.next()) : $('#gallery a:first'));	
	
	//Get next image caption
	var caption = next.find('img').attr('rel');	
	
	//Set the fade in effect for the next image, show class has higher z-index
	next.css({opacity: 0.0})
	.addClass('show')
	.animate({opacity: 1.0}, 1000);

	//Hide the current image
	current.animate({opacity: 0.0}, 1000)
	.removeClass('show');
	
	//Set the opacity to 0 and height to 1px
	$('#gallery .caption').animate({opacity: 0.0}, { queue:false, duration:50 }).animate({height: '1px'}, { queue:true, duration:300 });	
	
	//Animate the caption, opacity to 0.7 and heigth to 100px, a slide up effect
	$('#gallery .caption').animate({opacity: 0.0},100 ).animate({height: '45px'},500 );
	
	//Display the content
	$('#gallery .content').html(caption);
	
	
}