// JavaScript Document

		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.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,left,top) {
				if (is.ie5||is.ns6){
				this.obj = document.getElementById(id).style;
				this.obj.left = left;
				this.obj.top = top;
				this.obj.visibility="visible";
				return this.obj;
				} else if(is.ie4) {
				this.obj = document.all[id].style;
				this.obj.left = left;
				this.obj.top = top;
				this.obj.visibility="visible";
				return this.obj;
				} else if(is.ns4) {
				this.obj = document.layers[id];
				this.obj.left = left;
				this.obj.top = top;
				this.obj.visibility="show";
				return this.obj;
				}  
		}
		
		function action_onLoad() {
			if(is.ns4 ||is.ns6) {
				available_width=innerWidth;
				if (available_width<900) available_width=900;
				available_height=innerHeight;
				layerSetup();
			} else if(is.ie4 || is.ie5) {
				available_width=document.body.clientWidth;
				if (available_width<900) available_width=900;
				available_height=document.body.clientHeight;
				layerSetup();
			}
		}

		function setVisible(id) {
			if (is.ie5||is.ns6){
			this.obj = document.getElementById(id).style;
			this.obj.visibility="visible";
			return this.obj;
			} else if(is.ie4) {
			this.obj = document.all[id].style;
			this.obj.visibility="visible";
			return this.obj;
			} else if(is.ns4) {
			this.obj = document.layers[id];
			this.obj.visibility="show";
			return this.obj;
			}  
		}
		
		function setHidden(id) {
			if (is.ie5||is.ns6){
			this.obj = document.getElementById(id).style;
			this.obj.visibility="hidden";
			return this.obj;
			} else if(is.ie4) {
			this.obj = document.all[id].style;
			this.obj.visibility="hidden";
			return this.obj;
			} else if(is.ns4) {
			this.obj = document.layers[id];
			this.obj.visibility="hide";
			return this.obj;
			}  
		}