var gl = new Gallery();

var home = '';	

var slideShowSpeed = 2000; // время 

var crossFadeDuration = 3; 



function Init(h)

{

	home = h;

	var Picsl = new Array(); 

	Picsl[0] = home + '/engine/images/anim1.jpg';

	Picsl[1] = home + '/engine/images/anim2.jpg';

	Picsl[2] = home + '/engine/images/anim3.jpg';



	AlphaSlogan.prototype = new Gallery();

	//sl = new AlphaSlogan('sl');

	sl.setpreSlogan(Picsl);

	sl.Run();

}



function OverMenu(id)

{

	if(id == 'submenu')

		return;

	gl.layerStyle(gl.layer('submenu')).display = 'block';

	var pos = gl.getPosition('matherial');

	var obj = eval(gl.layer('matherial'));

	gl.layerStyle(gl.layer('submenu')).left = pos.x + 'px';

	gl.layerStyle(gl.layer('submenu')).top = pos.y + obj.offsetHeight + 'px';

}

function OutMenu(id)

{

	gl.layerStyle(gl.layer('submenu')).display = 'none';

}

// базовый класс

function Gallery()

{ 

	this.getPosition = function(id)

	{

		var obj = eval(this.layer(id));

		var x=0, y=0;

		while(obj)

		{

			x+=obj.offsetLeft;

			y+=obj.offsetTop;

			obj=obj.offsetParent;

		}

		return {x: x, y:y};

	}

	

	this.setElemOpacity = function(sElemId, nOpacity)

	{

		var opacityProp = this.getOpacityProp();

		var elem = this.layer(sElemId);

 		if (!elem || !opacityProp) return;

 		if (opacityProp=="filter") 

 		{

 			nOpacity *= 100;

 			var oAlpha = elem.filters['DXImageTransform.Microsoft.alpha'] || elem.filters.alpha;

 			if (oAlpha) oAlpha.opacity = nOpacity;

 			else elem.style.filter += "progid:DXImageTransform.Microsoft.Alpha(opacity="+nOpacity+")";

 		}

 		else 

 			elem.style[opacityProp] = nOpacity;

 	}



	this.getOpacityProp = function()

	{

  		if (typeof document.body.style.opacity == 'string') // CSS3 compliant (Moz 1.7+, Safari 1.2+, Opera 9)

    		return 'opacity';

  		else if (typeof document.body.style.MozOpacity == 'string') // Mozilla 1.6 и младше, Firefox 0.8 

   			return 'MozOpacity';

		else if (typeof document.body.style.KhtmlOpacity == 'string') // Konqueror 3.1, Safari 1.1

    		return 'KhtmlOpacity';

  		else if (document.body.filters && navigator.appVersion.match(/MSIE ([\d.]+);/)[1]>=5.5) // Internet Exploder 5.5+

    		return 'filter';



  		return false; //нет прозрачности

	}



	this.findLayer = function(what, where)

	{

  		if(!where) return

  		var i,l,parent

  		var len=where.length

  		for(i=0;i<len;i++)

  		{

    		parent=where[i].document.layers

    		l=parent[what]

    		if(l) return l

    		l=this.findLayer(what, parent)

  		}

  		return false

	}



	this.layer = function(layerName, parentLayerName)

	{

		if(document.getElementById){ return document.getElementById(layerName);}

  		if(document.all) return document.all[layerName]

  		if(document.layers)

  		{

    		if(parentLayerName)

    		   return this.findLayer(layerName, eval(parentLayerName));

    		else

    			return this.findLayer(layerName, document.layers);

    	}

	}

	

	this.layerStyle = function(layerObject)

	{

  		if(layerObject.style) return layerObject.style //доступ через style

  		return layerObject; //доступ без style

	}

}