var clicked = new Array();
function doSection(divid) {
    //var ThisAnswer = document.getElementById(divid);
    if(clicked[0] == null) {
        //ThisAnswer.style.display = 'block';
        Effect.Appear(divid, {duration: 0.3});
        clicked[0] = divid;
    } 
    else if(clicked[0] == divid) {
        clicked[0] = null;
        //ThisAnswer.style.display = 'none';
        Effect.Fade(divid, {duration: 0.1});
    } else {
        //var OldAnswer = document.getElementById(clicked[0]);
        //OldAnswer.style.display = 'none';
        Effect.Fade(clicked[0], {duration: 0.1});
        //ThisAnswer.style.display = 'block';
        Effect.Appear(divid, {duration: 0.3});
        clicked[0] = divid;
    }
}

var sec2 = new Array();
function doSection2(divid) {
    if(sec2[divid] == 1) {
        Effect.SlideUp(divid); // closing
        sec2[divid] = 2;
    } else {
        Effect.SlideDown(divid); // oppening
        sec2[divid] = 1;
    }
}
function closeSection() {
    if(clicked[0] == null) {
        return false;
    } else {
        var ThisAnswer = document.getElementById(clicked[0]);
        //ThisAnswer.style.display = 'none';
        Effect.Fade(clicked[0]);
    }
}









function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "external")
     anchor.target = "_blank";
 }
}
window.onload = externalLinks;







var ScrollWin = {
	w3c : document.getElementById,
	iex : document.all,
	scrollLoop : false, 
	scrollInterval : null, // setInterval id
	currentBlock : null,   // object reference
	getWindowHeight : function(){
		if(this.iex) return (document.documentElement.clientHeight) ? document.documentElement.clientHeight : document.body.clientHeight;
		else return window.innerHeight;
	},
	getScrollLeft : function(){
		if(this.iex) return (document.documentElement.scrollLeft) ? document.documentElement.scrollLeft : document.body.scrollLeft;
		else return window.pageXOffset;
	},
	getScrollTop : function(){
		if(this.iex) return (document.documentElement.scrollTop) ? document.documentElement.scrollTop : document.body.scrollTop;
		else return window.pageYOffset;
	},
	getElementYpos : function(el){
		var y = 0;
		while(el.offsetParent){
			y += el.offsetTop
			el = el.offsetParent;
		}
		return y;
	},
	scroll : function(name){
		if(!this.w3c){
			location.href = "#"+name;
			return;
		}
		if(this.scrollLoop){
			clearInterval(this.scrollInterval);
			this.scrollLoop = false;
			this.scrollInterval = null;
		}
		if(this.currentBlock != null) this.currentBlock.className = this.offClassName;
		this.currentBlock = document.getElementById(name);
		this.currentBlock.className = this.onClassName;
		var doc = document.getElementById(this.containerName);
		var documentHeight = this.getElementYpos(doc) + doc.offsetHeight;
		var windowHeight = this.getWindowHeight();
		var ypos = this.getElementYpos(this.currentBlock);
		if(ypos > documentHeight - windowHeight) ypos = documentHeight - windowHeight;
		this.scrollTo(0,ypos);
	},
	scrollTo : function(x,y){
		if(this.scrollLoop){
			var left = this.getScrollLeft();
			var top = this.getScrollTop();
			if(Math.abs(left-x) <= 1 && Math.abs(top-y) <= 1){
				window.scrollTo(x,y);
				clearInterval(this.scrollInterval);
				this.scrollLoop = false;
				this.scrollInterval = null;
			}else{
				window.scrollTo(left+(x-left)/2, top+(y-top)/2);
			}
		}else{
			this.scrollInterval = setInterval("ScrollWin.scrollTo("+x+","+y+")",50);
			this.scrollLoop = true;
		}
	}
};

ScrollWin.containerName = "container"; 
ScrollWin.anchorName    = "anchor";    
ScrollWin.blockName     = "home";     
ScrollWin.onClassName   = "active";   
ScrollWin.offClassName  = "visited";