function mostrar(id){ 
  var nc = (document.layers) ? 1:0;
  var ie = (document.all) ? 1:0;
  var n6 = (document.getElementById) ? 1:0;
  if(ie){ 
  	document.getElementById(id).style.visibility="visible"; 
  	}
  if(n6){
  	document.getElementById(id).style.visibility="visible"; }
  if(nc){
  	document.layers[id].visibility="show";}
  }


function ocultar(id){ 
  var nc = (document.layers) ? 1:0;
  var ie = (document.all) ? 1:0;
  var n6 = (document.getElementById) ? 1:0;
  if(ie){ 
  	document.getElementById(id).style.visibility="hidden"; 
  	}
  if(n6){
  	document.getElementById(id).style.visibility="hidden"; }
  if(nc){
  	document.layers[id].visibility="hide"; }
  }

var classname= NULL; 

function table_inline(classname){ 
			var browser=navigator.appName; 
			var b_version=navigator.appVersion; 
			var version=parseFloat(b_version); 
			
	if(browser=='Netscape' && version == 5)
	{ 
			document.write('<table class="' + classname + '" style="display:inline-block;">'); 
		}
	else if(browser=='Microsoft Internet Explorer' && version <= 7)
		{
			document.write('<table  class="' + classname + '" style="display:inline;">');
		}
	else{
			document.write('<table class="'+ classname + '" style="display:inline-block;">');
		} 
	}