body { background:url(images/fondo.jpg) no-repeat; background-color:#110d0a;
	width:766px;
	height:600px;
	top:50%;
	left:50%;
	margin-left:-383px;
	margin-top:-300px;
	position:absolute;
}
table, td {border-collapse:collapse;}
table, td, img {border:0;}
form, td {margin:0; padding:0;}
td, tr {font:11px/13px "Times New Roman", tahoma, helvetica, sans-serif; color:#5C4029; vertical-align:top;  text-align:left; letter-spacing:0.4px}

.Tabla_01 {
top:expression(document.body.clientHeight < 601? “0px”: “50%” );  
margin-top:expression(document.body.clientHeight < 501? “0px”: “-250px” );
left:expression(document.body.clientWidth < 801? “0px”: “50%” );  
margin-left:expression(document.body.clientWidth < 733? “0px”: “-400px” ); 

}