//**************layer swap used for dhtml email signup *******************

function MM_findObj(n, d) { //v4.01

  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {

    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}

  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];

  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);

  if(!x && d.getElementById) x=d.getElementById(n); return x;

}



function MM_showHideLayers() { //v6.0

  var i,p,v,obj,args=MM_showHideLayers.arguments;

  for (i=0; i<(args.length-2); i+=3) 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; }

}



function showLayer(which) {

	divs = document.getElementsByTagName("div");

	for (i = 0; i < divs.length; i++) {

		if (divs[i].id.substr(0, 6) == "layer_") {

			if (divs[i].id == which)

				divs[i].style.visibility = 'hidden';

			else divs[i].style.visibility = 'visible';

		}

	}

}

 //**************end layer swap*******************
 
 
  function flipLayer(which) {  
       if (document.getElementById(which).style.visibility == "visible")  
            document.getElementById(which).style.visibility = "hidden";  
       else document.getElementById(which).style.visibility = "visible";  
  }