function r1(r2){
 
   var x = document.getElementById("all_doc");
	 	 var xy = x.getElementsByTagName("div");
	   for (i=0; i<xy.length; i++){
		 var gg = xy[i].id;
		 
		     if(r2 === xy[i].id || xy[i].id== 'n44' ){
				         xy[i].style.visibility = "visible";
					   		 xy[i].style.top = "5.9em";
							      }
						else {   xy[i].style.visibility = "hidden";  					      
    				     }
					}
}	
function clientes() {	 
var msg = "Ing. Alex Soto M.";
  document.getElementById("clientes").innerHTML = msg;
     r1("n2");  
}