window.onload=function(){enableTooltips()
var o=document.getElementById('infozone');
window.setInterval(function(){scrollup(o,20,0);},2000);
}
function scrollup(o,d,c){
	try{      
		if(d==c){
			var t=o.firstChild.cloneNode(true);
			o.removeChild(o.firstChild);
			o.appendChild(t);
			t.style.marginTop=o.firstChild.style.marginTop='0px';
		}else{
			var s=3,c=c+s,l=(c>=d?c-d:0);
			o.firstChild.style.marginTop=-c+l+'px';
			window.setTimeout(function(){scrollup(o,d,c-l)},100);
		}
	}catch(e){}
}
function enableTooltips(id){
	var links,i,h;
	if(!document.getElementById || !document.getElementsByTagName) return;
	h=document.createElement("span");
	h.id="btc";
	h.setAttribute("id","btc");
	h.style.position="absolute";
	document.getElementsByTagName("body")[0].appendChild(h);
	if(id==null) links=document.getElementsByTagName("a");
	else links=document.getElementById(id).getElementsByTagName("a");
	for(i=0;i<links.length;i++){
		Prepare(links[i]);
	}
}
function Prepare(el){
	var tooltip,t,b,s,l;
	t=el.getAttribute("message");
	if(t==null || t.length==0) return ;
	el.removeAttribute("message");
	tooltip=CreateEl("span","tooltip");
	s=CreateEl("span","top");
	s.appendChild(document.createTextNode(t));
	tooltip.appendChild(s);
	b=CreateEl("b","bottom");
	l=el.getAttribute("href");
	tooltip.appendChild(b);
	setOpacity(tooltip);
	el.tooltip=tooltip;
	el.onmouseover=showTooltip;
	el.onmouseout=hideTooltip;
	el.onmousemove=Locate;
}
function showTooltip(e){
	document.getElementById("btc").appendChild(this.tooltip);
	Locate(e);
}
function hideTooltip(e){
	var d=document.getElementById("btc");
	if(d.childNodes.length>0) d.removeChild(d.firstChild);
}
function setOpacity(el){
	el.style.filter="alpha(opacity:85)";
	el.style.KHTMLOpacity="0.95";
	el.style.MozOpacity="0.95";
	el.style.opacity="0.95";
}
function CreateEl(t,c){
	var x=document.createElement(t);
	x.className=c;
	x.style.display="block";
	return(x);
}
function Locate(e){
	var posx=0,posy=0;
	if(e==null) e=window.event;
	if(e.pageX || e.pageY){
		posx=e.pageX; posy=e.pageY;
    }
	else if(e.clientX || e.clientY){
		if(document.documentElement.scrollTop){
			posx=e.clientX+document.documentElement.scrollLeft;
			posy=e.clientY+document.documentElement.scrollTop;
			}
		else{
			posx=e.clientX+document.body.scrollLeft;
			posy=e.clientY+document.body.scrollTop;
			}
		}
	document.getElementById("btc").style.top=(posy+10)+"px";
	document.getElementById("btc").style.left=(posx-20)+"px";
}

function show_intro(pre,pree, n, select_n,css) {
	for (i = 1; i <= n; i++) {
		var intro = document.getElementById(pre + i);
		var cha = document.getElementById(pree + i);
		intro.style.display = "none";
		cha.className=css + "_off";
		if (i == select_n) {
			intro.style.display = "block";
			cha.className=css + "_on";
		}
	}
}