function contact()
			{  
				window.open("contact.htm","nueva_win","toolbar=no,statusbar=no,scrollbars=no,menubar=no,width=250,height=200,resizable=no,top=150,left=100");
				return;
			}
			function sample01()
			{  
				window.open("sample01.htm","nueva_win","toolbar=no,statusbar=no,scrollbars=no,menubar=no,width=500,height=742,resizable=no,top=150,left=100");
				return;
			}
			function sample02()
			{  
				window.open("sample02.htm","nueva_win","toolbar=no,statusbar=no,scrollbars=no,menubar=no,width=500,height=742,resizable=no,top=150,left=100");
				return;
			}
			function sample03()
			{  
				window.open("sample03.htm","nueva_win","toolbar=no,statusbar=no,scrollbars=no,menubar=no,width=500,height=742,resizable=no,top=150,left=100");
				return;
			}