/*function moveElement(id, x, y)
{
  // move the element with id to x,y
  // where x,y are the horizontal
  // and vertical position in pixels

  var elm = document.getElementById(id);

  if (elm)
  {
    elm.style.left = x + 'px';
    elm.style.top  = y + 'px';
  }
}*/
function Is() {
var agent = navigator.userAgent.toLowerCase();
this.major = parseInt(navigator.appVersion);
this.minor = parseFloat(navigator.appVersion);
this.ns = ((agent.indexOf('mozilla') != -1) &&
(agent.indexOf('spoofer') == -1) &&
(agent.indexOf('compatible') == -1) &&
(agent.indexOf('opera') == -1) &&
(agent.indexOf('webtv') == -1));
this.ns2 = (this.ns && (this.major == 2));
this.ns3 = (this.ns && (this.major == 3));
this.ns4 = (this.ns && (this.major == 4));
this.ns6 = (this.ns && (this.major >= 5));
this.ie = (agent.indexOf("msie") != -1);
this.ie3 = (this.ie && (this.major < 4));
this.ie4 = (this.ie && (this.major >= 4));
this.ie5 = (this.ie && (this.major == 4) &&
(agent.indexOf("msie 5.0") != -1));
this.ieX = (this.ie && !this.ie3 && !this.ie4);
}

var is = new Is();

function layerObject(id,position,left,top,visibility) {
	if (is.ie5||is.ns6){
		if(document.getElementById(id)){
			this.obj = document.getElementById(id).style;
			this.obj.position = position;
			this.obj.left = left + "px";
			//this.obj.top = top + "px";
			this.obj.visibility = visibility;
			return this.obj;
	}
	} else if(is.ie4) {
		if(document.all[id]){
			this.obj = document.all[id].style;
			this.obj.position = position;
			this.obj.left = left;
			//this.obj.top = top;
			this.obj.visibility = visibility;
			return this.obj;
		}
	} else if(is.ns4) {
		document.height = 1600;
		if(document.layers[id]){
			this.obj = document.layers[id];
			this.obj.position = position;
			this.obj.left = left;
			//this.obj.top = top;
			this.obj.visibility = visibility;
			return this.obj;
		}
	} 
}

function layerSetup(id) {
centerLyr = new layerObject(id,'absolute', available_width/2-388,available_height/2-12,'visible');
}

layerArray = new Array()
layerArray[1]="header1"
layerArray[2]="header2"
layerArray[3]="header3"
layerArray[4]="header4"