/*NOT TEST*/
function overlay_class()
{
	var id;
	var obj;

	this.id="overlay";
}
overlay_class.prototype={
	show : function()
	{
		var DIV_OBJ=new dom_class();
		this.obj=DIV_OBJ.create(this.id,"div");
		this.obj.style.display="block";
		this.obj.style.height=BRAUSER_OBJ.screenHeight+BRAUSER_OBJ.get_scroll_top()+"px";
		HTML_OBJ.Body.appendChild(this.obj);
	},
	hide : function(){HTML_OBJ.destroy(this.id);}
}