function eMeM_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=eMeM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}


function layer_show(layername){
	layer_show_d(layername,"block")
}

function layer_show_d(layername,dtype){
	thelayer = eMeM_findObj(layername)
	
	if(!thelayer){
		//alert(layername)
		return true;
	}
	if(thelayer.style){
		//if(thelayer.style.display){
			thelayer.style.display = dtype
			return false
		//}		
	}
	if(thelayer.display){
		thelayer.display=dtype	
		return false	
	}
}

function layer_hide(layername){
	thelayer = eMeM_findObj(layername)
	if(!thelayer){
		//alert(layername)
		return true;
	}
	if(thelayer.style){
		//if(thelayer.style.display){
		thelayer.style.display = "none"
		return false
		//}		
	}
	if(thelayer.display){
		thelayer.display='none'	
		return false	
	}
}