/**
 * @author GatgenKJ
 */
var DHTML = (document.getElementById || document.all || document.layers);
var win = null;

	function getObj(name)
	{
	  	if (document.getElementById) {
	  		this.obj = document.getElementById(name);
				this.style = document.getElementById(name).style;
	  	}
	  	else if (document.all) {
				this.obj = document.all[name];
				this.style = document.all[name].style;
	  	}
	  	else if (document.layers) {
	   		this.obj = document.layers[name];
	   		this.style = document.layers[name];
	  	}
	}
	
	function show(objname, flag)
	{
	
		if (!DHTML) return;
		var x = new getObj(objname);
		x.style.visibility = (flag) ? 'hidden' : 'visible'
	}
	
	function init_screen()
  	{
  		show('all',1);	
 	}