$(document).ready(function() {
	$("div#principal").dropShadow({left: -0, top: 0, opacity:0.8, blur: 4});	
	$('#principal').corner("6px");
		
});

$(document).ready(function() {
	$("div#principal_01").dropShadow({left: -0, top: 0, opacity:0.8, blur: 4});	
	$('#principal_01').corner("6px");
		
});

$(document).ready(function() {
	$("div#principal_02").dropShadow({left: -0, top: 0, opacity:0.8, blur: 4});	
	$('#principal_02').corner("6px");
		
});

$(document).ready(function() {
	$("div#listado").dropShadow({left: -0, top: 0, opacity:2.1, blur: 4});	
	$('#listado').corner("15px");	
	
});