$(document).ready(function(){
				jQuery.fn.center = function() 
					{
					var w = $(window);
					this.css("position","absolute");
					this.css("top",(w.height()-this.height())/2+w.scrollTop() + "px");
					this.css("left",(w.width()-this.width())/2+w.scrollLeft() + "px");
					return this;
					}				
					
					
				$("#content_contacto_v3").center();
				
				
			});