function MM_showHideLayers(obj,state) { //v6.0
  /*var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=1) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }*/
	var menuObj = document.getElementById(obj);
	var divState = "hidden";
	if(state == "show"){
		divState = "visible";
	}else if(state == "hide"){
		divState = "hidden";
	}
	menuObj.style.visibility = divState;
}

var isOpera = /opera/i.test(window.navigator.userAgent);
var isIE = /msie/i.test(window.navigator.userAgent) && !isOpera;

//alert(isIE);
function addEvent(e){
	if(isIE){
		window.attachEvent("onload",e);
	}else{
		window.addEventListener("load",e,false);
	}
}