function atencion(){
 document.getElementById('telefono').style.fontWeight='bolder';
 document.getElementById('contact').style.background='#FFFF00';
 setTimeout("document.getElementById('contact').style.background='#FFFF33'",150);
 setTimeout("document.getElementById('contact').style.background='#FFFF49'",300);
 setTimeout("document.getElementById('contact').style.background='#FFFF66'",450);
 setTimeout("document.getElementById('contact').style.background='#FFFF82'",600); 
 setTimeout("document.getElementById('contact').style.background='#FFFF99'",750); 
 setTimeout("document.getElementById('contact').style.background='#FFFFA0'",900); 
 setTimeout("document.getElementById('contact').style.background='#FFFFCC'",1050);  
 setTimeout("document.getElementById('contact').style.background='#FFFFDD'",1200); 
 setTimeout("document.getElementById('contact').style.background='#FFFFFF'",1350);  
 setTimeout("document.getElementById('contact').style.background='Transparent'",1500); 
}