var b=0;var n=1;
var c=1;

function opac() {
	var lis=document.getElementById("pimages").getElementsByTagName("img");
	var p=lis[b];

	if (c<10) {c+=1;
		p.style.opacity =c/10;
		p.style.filter="progid:DXImageTransform.Microsoft.Alpha(opacity="+c*10+")";
		setTimeout("opac()",70);	
		} else {c=1;}
}


imgclick=function() {
	var lis=document.getElementById("pimages").getElementsByTagName("img");
	var lis1=document.getElementById("menu_galer").getElementsByTagName("span");
	for (var j=0;j<lis1.length; j++) {
		lis1[j].id=j;
		lis1[j].onclick=function() {if ((this.className!="act")&(this.className!=" act")) {

		for (var i=0;i<lis1.length; i++) { 
			lis1[i].className="";
		}
			n=b;b=this.id;this.className+=" act";

			for (var i=0;i<lis1.length; i++) {
				lis[i].style.display="none";
				lis[i].style.zIndex="100";
			}


			lis[n].style.zIndex="100";
			lis[b].style.zIndex="101";
			
			lis[n].style.display="block";
			lis[b].style.display="block";
				lis[b].style.opacity=(i+1)/10;opac();
		}}
	}
}

onload=imgclick;