$(document).ready(function() {
    try {
        $('#aktuelle_projekte_bilder_content').cycle({
    		fx: 'fade' 
    	});
    } catch(e) {}

	tv.init();
    
    obj = document.getElementById('gallerie_content');
    obj.onmousemove = function(e) 
    { 
    	if (window.event) e = window.event; 
    	mouse.x = e.clientX; 
    	mouse.y = e.clientY; 
    	return false; 
    }     
         
})

// ============================================================= 
//                 ===== photo 3D ===== 
// script written by Gerard Ferrandez - October 21th, 2007 
// http://www.dhteumeuleu.com 
// ============================================================= 
 
/* ==== library ==== */ 
var Library = {}; 
Library.ease = function () { 
	this.target = 0; 
	this.position = 0; 
	this.move = function (target, speed) 
	{ 
		this.position += (target - this.position) * speed; 
	} 
} 
 
var tv = { 
	/* ==== variables ==== */ 
	O : [], 
	screen : {}, 
	grid : { 
		sizeX      : 4,  // 4x4 grid 
		sizeY      : 4, 
		borderSize : 6,  // borders size 
		zoomed     : false 
	}, 
	angle : { 
		x : new Library.ease(), 
		y : new Library.ease() 
	}, 
	camera : { 
		x    : new Library.ease(), 
		y    : new Library.ease(), 
		zoom : new Library.ease(), 
		focalLength : 750 // camera Focal Length 
	}, 
 
	/* ==== init script ==== */ 
	init : function () 
	{

		this.screen.obj = document.getElementById('gallerie_content'); 
		var img = document.getElementById('gallerie_images').getElementsByTagName('img'); 
		this.screen.obj.onselectstart = function () { return false; } 
		this.screen.obj.ondrag        = function () { return false; } 
		/* ==== create images grid ==== */ 
		var ni = 0; 
		var nx = (tv.grid.sizeX / 2) - .5;        
		var ny = (tv.grid.sizeY / 2) - .5; 
        
		for (var y = -ny; y <= ny; y++) 
		{ 
			for (var x = -nx; x <= nx; x++) 
			{ 
				/* ==== create HTML image element ==== */ 
				var o = document.createElement('img'); 
				var i = img[(ni++) % img.length]; 
				o.className = 'tvout'; 
				o.src = i.src; 
				tv.screen.obj.appendChild(o);                
				/* ==== 3D coordinates ==== */ 
				o.point3D = { 
					x  : x, 
					y  : y, 
					z  : new Library.ease() 
				}; 
				/* ==== push object ==== */ 
				o.point2D = {}; 
				o.ratioImage = 1; 
				tv.O.push(o); 
				/* ==== on mouse over event ==== */ 
				o.onmouseover = function () 
				{ 
					if (!tv.grid.zoomed) 
					{ 
						if (tv.o) 
						{ 
							/* ==== mouse out ==== */ 
							tv.o.point3D.z.target = 0; 
							tv.o.className = 'tvout'; 
						} 
						/* ==== mouse over ==== */ 
						this.className = 'tvover'; 
						this.point3D.z.target = -.5; 
						tv.o = this; 
					} 
				} 
				/* ==== on click event ==== */ 
				o.onclick = function () 
				{ 
					if (!tv.grid.zoomed) 
					{ 
						/* ==== zoom in ==== */ 
						tv.camera.x.target = this.point3D.x; 
						tv.camera.y.target = this.point3D.y; 
						tv.camera.zoom.target = tv.screen.w * 1.1; 
						tv.grid.zoomed = this; 
					} else { 
						if (this == tv.grid.zoomed){ 
							/* ==== zoom out ==== */ 
							tv.camera.x.target = 0; 
							tv.camera.y.target = 0; 
							tv.camera.zoom.target = tv.screen.w / (tv.grid.sizeX + .1);
							tv.grid.zoomed = false; 
						} 
					} 
				} 
				/* ==== 3D transform function ==== */ 
				o.calc = function () 
				{ 
					/* ==== ease mouseover ==== */ 
					this.point3D.z.move(this.point3D.z.target, .5); 
					/* ==== assign 3D coords ==== */ 
					var x = (this.point3D.x - tv.camera.x.position) * tv.camera.zoom.position; 
					var y = (this.point3D.y - tv.camera.y.position) * tv.camera.zoom.position; 
					var z = this.point3D.z.position * tv.camera.zoom.position; 
					/* ==== perform rotations ==== */ 
					var xy = tv.angle.cx * y  - tv.angle.sx * z; 
					var xz = tv.angle.sx * y  + tv.angle.cx * z; 
					var yz = tv.angle.cy * xz - tv.angle.sy * x; 
					var yx = tv.angle.sy * xz + tv.angle.cy * x; 
					/* ==== 2D transformation ==== */ 
					this.point2D.scale = tv.camera.focalLength / (tv.camera.focalLength + yz);                    
					this.point2D.x = yx * this.point2D.scale; 
					this.point2D.y = xy * this.point2D.scale; 
					this.point2D.w = Math.round( 
					                   Math.max( 
					                     0, 
					                     this.point2D.scale * tv.camera.zoom.position * .8 
					                   ) 
					                 ); 
					/* ==== image size ratio ==== */
					if (this.ratioImage > 1) 
						this.point2D.h = Math.round(this.point2D.w / this.ratioImage); 
					else 
					{ 
						this.point2D.h = this.point2D.w; 
						this.point2D.w = Math.round(this.point2D.h * this.ratioImage); 
					} 
				} 
				/* ==== rendering ==== */ 
				o.draw = function () 
				{ 
					if (this.complete) 
					{ 
						/* ==== paranoid image load ==== */ 
						if (!this.loaded) 
						{ 
							if (!this.img) 
							{ 
								/* ==== create internal image ==== */ 
								this.img = new Image(); 
								this.img.src = this.src; 
							} 
							if (this.img.complete) 
							{ 
								/* ==== get width / height ratio ==== */ 
								this.style.visibility = 'visible'; 
								this.ratioImage = this.img.width / this.img.height; 
								this.loaded = true; 
								this.img = false; 
							} 
						} 
						/* ==== HTML rendering ==== */ 
						this.style.left = Math.round( 
						                    this.point2D.x * this.point2D.scale + 
						                    tv.screen.w - this.point2D.w * .5 
						                  ) + 'px'; 
						this.style.top  = Math.round( 
						                    this.point2D.y * this.point2D.scale + 
						                    tv.screen.h - this.point2D.h * .5 
						                  ) + 'px'; 
						this.style.width  = this.point2D.w + 'px';                         
						this.style.height = this.point2D.h + 'px'; 
						this.style.borderWidth = Math.round( 
						                           Math.max( 
						                             this.point2D.w, 
						                             this.point2D.h 
						                           ) * tv.grid.borderSize * .01 
						                         ) + 'px'; 
						this.style.zIndex = Math.floor(this.point2D.scale * 100); 
					} 
				} 
			} 
		} 
		/* ==== start script ==== */ 
		tv.resize(); 
		mouse.y = tv.screen.y + tv.screen.h; 
		mouse.x = tv.screen.x + tv.screen.w; 
		tv.run(); 
	}, 
 
	/* ==== resize window ==== */ 
	resize : function () 
	{ 
		var o = tv.screen.obj; 
		tv.screen.w = o.offsetWidth / 2; 
		tv.screen.h = o.offsetHeight / 2; 
		tv.camera.zoom.target = tv.screen.w / (tv.grid.sizeX + .1);
		for (tv.screen.x = 0, tv.screen.y = 0; o != null; o = o.offsetParent) 
		{ 
			tv.screen.x += o.offsetLeft; 
			tv.screen.y += o.offsetTop; 
		}        
	}, 
 
	/* ==== main loop ==== */ 
	run : function () 
	{ 
		/* ==== motion ease ==== */ 
		tv.angle.x.move(-(mouse.y - tv.screen.h - tv.screen.y) * .0025, .1); 
		tv.angle.y.move( (mouse.x - tv.screen.w - tv.screen.x) * .0025, .1); 
		tv.camera.x.move(tv.camera.x.target, tv.grid.zoomed ? .25 : .025); 
		tv.camera.y.move(tv.camera.y.target, tv.grid.zoomed ? .25 : .025); 
		tv.camera.zoom.move(tv.camera.zoom.target, .05); 
		/* ==== angles sin and cos ==== */ 
		tv.angle.cx = Math.cos(tv.angle.x.position); 
		tv.angle.sx = Math.sin(tv.angle.x.position); 
		tv.angle.cy = Math.cos(tv.angle.y.position); 
		tv.angle.sy = Math.sin(tv.angle.y.position); 
		/* ==== loop through all images ==== */ 
		for (var i = 0, o; o = tv.O[i]; i++) 
		{ 
			o.calc(); 
			o.draw(); 
		} 
		/* ==== loop ==== */ 
		setTimeout(tv.run, 32); 
	} 
} 
 
/* ==== global mouse position ==== */ 
var mouse = { 
	x : 0, 
	y : 0 
}