/* RollOverImages

--------------------------------------------------------------------------	*/

var rollOver = function(){this.init();}
rollOver.prototype = {
	init: function(){
		var imgs = new Image();
		var hovers = this.getElmByClsName("hover");
		for(var i=0,f=hovers.length; i < f; i++) {
			(function(i) {
				var img = hovers[i].getElementsByTagName('img')[0];
				var filetype = img.src.substring(img.src.lastIndexOf('.'), img.src.length);
				hovers[i].off = img.src;
				hovers[i].on = img.src.replace('_off' + filetype, '_on' + filetype);
				hovers[i].onmouseover = function(){img.src = hovers[i].on;}
				hovers[i].onmouseout = function(){img.src = hovers[i].off;}
			})(i);
		}
	},
	getElmByClsName: function(clsName){
		var elms = new Array();
		var re = new RegExp('(^| )' + clsName + '( |$)');
		var ael = document.getElementsByTagName('a');
		var op = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;
		if (document.all && !op) ael = document.all;
		for(var i=0,j=0,f=ael.length ; i<f ; i++) {
			if(re.test(ael[i].className)) {
				elms[j]=ael[i];
				j++;
			}
		}
		return elms;
	}
}

window.onload = function(){
	new rollOver();
}


/* Link Jump

--------------------------------------------------------------------------	*/
function fx_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=fx_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function PageJump(selnm){
	obj=fx_findObj(selnm);
	Sel=obj.selectedIndex;
	Ms=obj.options[Sel].value;
	if (Ms!='-') {
		location.href=Ms;
	}
}


/* Go top

--------------------------------------------------------------------------	*/
function backToTop() {
  var x1 = x2 = x3 = 0;
  var y1 = y2 = y3 = 0;
  if (document.documentElement) {
      x1 = document.documentElement.scrollLeft || 0;
      y1 = document.documentElement.scrollTop || 0;
  }
  if (document.body) {
      x2 = document.body.scrollLeft || 0;
      y2 = document.body.scrollTop || 0;
  }
  x3 = window.scrollX || 0;
  y3 = window.scrollY || 0;
  var x = Math.max(x1, Math.max(x2, x3));
  var y = Math.max(y1, Math.max(y2, y3));
  window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));
  if (x > 0 || y > 0) {
      window.setTimeout("backToTop()", 25);
  }
}


/* Toggle  Navigation

--------------------------------------------------------------------------	*/
function toggleFold(sender, id) {
  var elm = document.getElementById(id);
  if (elm.style.display == "none") {
    elm.style.display = "block";
    sender.className = "unfolded";
  } else {
    elm.style.display = "none";
    sender.className = "folded";
  }
}