//slide
var scontainer,scHeight,listH,sint,sinum=0,sdir=1,cnum,cstop,step,isinit,txts,txtint,one=1;
window.onload=function(){
	scontainer=getid("inner_slide");
	scHeight=scontainer.offsetHeight;
	listH=scontainer.getElementsByTagName("ul")[0].offsetHeight;
	for(var i=0;i<scontainer.getElementsByTagName("li").length;i++){
scontainer.getElementsByTagName("li")[i].getElementsByTagName("a")[0].index=i+1;
scontainer.getElementsByTagName("li")[i].getElementsByTagName("a")[0].onmouseover=function(){showp(this.index)}
}
	}
function inner_slide(n){
	if(n==1){sdir=(-1)}else{sdir=1}	
	if(scontainer.scrollTop<=0&&n==1){return false;}else if(scontainer.scrollTop>=(listH-scHeight)&&n==2){return false;}
	sinum=0;
	step=6;
	cstop=scontainer.scrollTop;
	sint=setInterval(inner_mov,2);

    return true;
	}
function inner_mov(){
	
	scontainer.scrollTop+=(step*sdir);
	if(step>2){	step-=1}
	sinum+=step;
	if(sinum>=22){clearInterval(sint);scontainer.scrollTop=cstop+22*sdir;showp(scontainer.scrollTop/22+1)}

	if(scontainer.scrollTop<=0){getid("sbutton1").style.visibility="hidden";}else{getid("sbutton1").style.visibility="visible";}
	if(scontainer.scrollTop>=(listH-scHeight)){getid("sbutton2").style.display="none";}else{getid("sbutton2").style.display="block";}
	scontainer.getElementsByTagName("li")[one-1].getElementsByTagName("a")[0].className="lighton";
	}
function txtm(){
if(txts>0){txts--;}else{clearInterval(txtint)}
		scontainer.getElementsByTagName("li")[one-1].getElementsByTagName("a")[0].className="lighton";
}
function showp(n){

	txts=20;	
	clearInterval(txtint);
	txtint=setInterval("txtm()",10);
	for(var i=0;i<scontainer.getElementsByTagName("li").length;i++){scontainer.getElementsByTagName("li")[i].getElementsByTagName("a")[0].className="lightoff";}
	scontainer.getElementsByTagName("li")[n-1].getElementsByTagName("a")[0].className="lighton";
	getid("ima").href=scontainer.getElementsByTagName("li")[n-1].getElementsByTagName("img")[0].getAttribute("alt");
	getid("photo").src=scontainer.getElementsByTagName("li")[n-1].getElementsByTagName("img")[0].getAttribute("src");
	one=n;
	}
	
function getid(id){return document.getElementById(id);}