function MM_popupMsg(msg) { //v1.0
  alert(msg);
}


function showFull(id) { //SHOW/HIDE JS
		var block = document.getElementById(id);
		if(block.style.display == 'none' || block.style.display == '')
			block.style.display = 'block';
		else
			block.style.display = 'none';
		}
		function showID(id) { 
			var block = document.getElementById(id);
			block.style.display = 'block';
		}
		function hideID(id) { 
			var block = document.getElementById(id);
			block.style.display = 'none';
		} 



usuario="sapyc" 
dominio="sapyc.com" 
conector="@" 

function dame_correo(){ 
   return usuario + conector + dominio 
} 

function escribe_enlace_correo(){ 
   document.write("<a href='mailto:" + dame_correo() + "'>" + dame_correo() + "</a>") 
} 

<!--
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
//-->