var openingLayer;
var openingLayerName;
var closingLayerName;

function init_layers(){
	lDogs = document.getElementById('layerDogs');
	lCats = document.getElementById('layerCats');
	lAccessories = document.getElementById('layerAccessories');

	lDogs.style.visibility = "hidden";
	lCats.style.visibility = "hidden";
	lAccessories.style.visibility = "hidden";
}

function show_layer(name){
	lDogs = document.getElementById('layerDogs').style;
	lCats = document.getElementById('layerCats').style;
	lAccessories = document.getElementById('layerAccessories').style;

	if(lDogs.visibility == "hidden" && lCats.visibility == "hidden" && lAccessories.visibility == "hidden"){
		openingLayerName = name;
		if(!openingLayer){
			animate_open(0);
			openingLayer = true;
		}
	}else{
		lDogs.visibility = "hidden";
		lCats.visibility = "hidden";
		lAccessories.visibility = "hidden";

		lNamed = document.getElementById(name).style;
		lNamed.visibility = "visible";
	}
}

function hide_layer(name){
	lNamed = document.getElementById(name).style;
	if(lNamed.visibility == "visible"){
		MM_swapImgRestore();
		closingLayerName = name;
		animate_close(300);
	}
}

function animate_open(width){
	layer = document.getElementById('layerEmpty').style;
	if(width < 300){
		layer.width = width;
		layer.visibility = "visible";
		setTimeout("animate_open(" + (width + 90) + ")", 20);
	}else{
		lNamed = document.getElementById(openingLayerName).style;
		lNamed.visibility = "visible";
		layer.visibility = "hidden";
		openingLayer = false;
	}
}

function animate_close(width){
	layer = document.getElementById('layerEmpty').style;
	if(width > 0){
		layer.width = width;
		layer.visibility = "visible";
		layerNamed = document.getElementById(closingLayerName).style;
		layerNamed.visibility = "hidden";
		setTimeout("animate_close(" + (width - 90) + ")", 20);
	}else{
		layer.visibility = "hidden";
	}
}



function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function P7_Snap() { //v2.67 by PVII
 var g,x,y,ox,bx,oy,p,tx,a,b,k,d,da,e,el,tw,q0,xx,yy,w1,pa='px',args=P7_Snap.arguments;a=parseInt(a);
 if(document.layers||window.opera){pa='';}for(k=0;k<(args.length);k+=4){
 if((g=MM_findObj(args[k]))!=null){if((el=MM_findObj(args[k+1]))!=null){
 a=parseInt(args[k+2]);b=parseInt(args[k+3]);x=0;y=0;ox=0;oy=0;p="";tx=1;
 da="document.all['"+args[k]+"']";if(document.getElementById){
 d="document.getElementsByName('"+args[k]+"')[0]";if(!eval(d)){
 d="document.getElementById('"+args[k]+"')";if(!eval(d)){d=da;}}
 }else if(document.all){d=da;}if(document.all||document.getElementById){while(tx==1){
 p+=".offsetParent";if(eval(d+p)){x+=parseInt(eval(d+p+".offsetLeft"));y+=parseInt(eval(d+p+".offsetTop"));
 }else{tx=0;}}ox=parseInt(g.offsetLeft);oy=parseInt(g.offsetTop);tw=x+ox+y+oy;
 if(tw==0||(navigator.appVersion.indexOf("MSIE 4")>-1&&navigator.appVersion.indexOf("Mac")>-1)){
  ox=0;oy=0;if(g.style.left){x=parseInt(g.style.left);y=parseInt(g.style.top);}else{
  w1=parseInt(el.style.width);bx=(a<0)?-5-w1:-10;a=(Math.abs(a)<1000)?0:a;b=(Math.abs(b)<1000)?0:b;
  x=document.body.scrollLeft+event.clientX+bx;y=document.body.scrollTop+event.clientY;}}
 }else if(document.layers){x=g.x;y=g.y;q0=document.layers,dd="";for(var s=0;s<q0.length;s++){
  dd='document.'+q0[s].name;if(eval(dd+'.document.'+args[k])){x+=eval(dd+'.left');y+=eval(dd+'.top');
  break;}}}e=(document.layers)?el:el.style;xx=parseInt(x+ox+a),yy=parseInt(y+oy+b);
 if(navigator.appVersion.indexOf("MSIE 5")>-1 && navigator.appVersion.indexOf("Mac")>-1){
  xx+=parseInt(document.body.leftMargin);yy+=parseInt(document.body.topMargin);}
 e.left=xx+pa;e.top=yy+pa;}}}
}