function showMainMenu()
{
	var dom = document.getElementById("kopfgrafik_full");
	if( dom ){
		animationInit();
	}
}

function kopfgrafikOnClick( dom )
{
	var size = parseInt($(dom ).width()) / parseInt( $(dom ).css("font-size") );
	if( size == 52.75 ){
		$( dom ).animate({"width":"39.25em", "left":"16.75em"}, 1500);
	}
}

var animation_object = false;
var animation_interval = false;
var animation_duration = 800;
var animation_steps = 25*(animation_duration/1000);
var animation_delay = 0.0;
var animation_width = 0.0;
var animation_start_width = 52.75;
var animation_end_width = 39.25;
var animation_width_delta = 0.0;
var animation_left = 0.0;
var animation_start_left = 3.25;
var animation_end_left = 16.75;
var animation_left_delta = 0.0;

function animationInit()
{
	animation_object = $("#kopfgrafik_full");
	animation_width_delta = ((animation_end_width - animation_start_width)/animation_steps);
	animation_left_delta = ((animation_end_left - animation_start_left)/animation_steps);
	animation_width = animation_start_width;
	animation_left = animation_start_left;
	animation_delay = parseInt(animation_duration/animation_steps);
	animation_interval = window.setInterval("animationStep()",  animation_delay);
}
function animationStep()
{
	animation_width += animation_width_delta;
	animation_left += animation_left_delta;

	if( (animation_width<=animation_end_width) || (animation_left>=animation_end_left) )
	{
		animation_width = animation_end_width;
		animation_left = animation_end_left;
		window.clearInterval( animation_interval );
	}

	animation_object.css({"width" : animation_width+"em", "left" : animation_left+"em"});
}

$(document).ready(function(){
	$('a[rel^="prettyPhoto"], a[rel^="lightbox"]').prettyPhoto({overlay_gallery:false});
	$( 'li.active' ).parents( 'li' ).attr('class', 'active');
});